700r4 valve body problems. br/pu7o/what-is-feelinsonice-website.

TCI Constant Pressure Valve Bodies. May 12, 2006 · This time I asked a different tech if I needed to transfer the throttle valve from my existing valve body to the new TCI valve body… “Yes so, the TCI supplied valve body does not come with a throttle valve. If this happens, the ends can shear off, and you’ll eventually have a serious problem. All of the hard parts take more abuse this way. i also just put a new valve body in it. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. So, now, I'm more than frustrated, and thinking I have a "control" issue with the valve body Jul 21, 2003 · It could also be a stuck t. This creates sluggish shifts do to lack of pressure. if i am in od and i am doing about 45mph i can mash the throttle and nothing happens. Part Number: SUM-700700X 1. Feb 11, 2008 · Old trannys have worn valve bodies and loose planetaries. So I blocked the line bias valve. TCI constant pressure valve bodies solve low line pressure (above 200 psi) problems associated with improper shift T. If you take off in O-drive, it goes through the gears great, but when you come to a stop it is stuck in 2nd gear when you take off again. Oct 4, 2023 · Valve tci body manual powerglide bodies over87-92 700r4 valve body warranty remanufactured md8 4l60 electrical Tci auto 744200 tci full manual valve bodiesTh 700r4 gearbox problems. Installed the transmission, adjusted the TV cable correctly at WOT, fluid level is correct. No possibility of the valve trains sticking as I overhauled the body May 6, 2003 · The whole topic of this post was about a 700R4 with a TCI reverse pattern manual valve body. It is very common that after you get done with one of this units, it will not want to upshift into 4th gear. This cable is often mistaken for a "kick down" cable as used in the TH350. the tv cable does nothing to the pressure but is hooked up correctly. In a bath tub shaped location as in the case or valve body the separator plate must have 2 holes for a check ball to be placed there. I was drilling holes in the valve body walls like the kit told me to. Jul 24, 2005 · I have an early 700r4 behind a ZZ4 350 in a '67 C-10 pickup. This includes washers, bearings, even the whole crafted plate case for the body itself. My big problem with the second one was a totally worn out valve body that caused me tons of problems with I got it back together. Like other automatic transmissions, the 700R4 transmission problems are also evident in certain cases. I read Tony's 700R4 pages and found some interesting points. I was drilling holes in the valve body walls Aug 3, 2011 · Second cause would be a "carburetor linkage" which causes the TV cable to return a distance shorter than required to position the TV valve at its correct starting position. Set up tranny according to Bow Tie overdrives instruction with carb linkage kit. Mar 6, 2023 · I disassemble a 700R4 valve body and show the valve line ups. Jan 19, 2012 · Hey guys, I just had a 700r4 trans built for my buggy, I know I know should have gone with a turbo 350. When reinstalling valve body, this check ball must be used (See Figure 3 Jun 12, 2013 · 700r4 binds up in reverse. Never block the TCC regulator or isolator valves. i have heard that these trannys have a plastic govenor gear and they tend to get eaten up. Oct 27, 2007 · 700r4 help LR25,go to www. Along with this I checked to make sure the 1-2 band was in tact on its anchor pin. Apr 18, 2005 · The valve body install should be about the same as installing a shift kit (actually easier cuz the new valve body will come with a shift kit and should be bolt inthat is after removing the old one). Here are the most common ones. Overheating. Spray everything with pb blaster or wd 40,put a little vasoline on the end of the inner spring to keep it in the valve,and put the inner TV valve assembly in Apr 4, 2023 · A 700R4 manual valve body with no TV cable is an aftermarket modification that replaces the original valve body and TV cable system. View recommended parts for quality repairs of common transmission problems quickly and easily. Missing check balls to an internal mistake like a snap ring that is loose or left out. if you are looking from the side the servo is on its on the edge where the valve body sits to the left (towards the back of the trans) of the first hole i was Feb 7, 2009 · The problem with the constant pressure is that it applies too much pressure for light throttle shifts. 471 boost valve included to replace worn OE valve Dec 11, 2019 · The TCI 700R4 comes with a Constant Pressure Valve Body. Sun Shell- A broken sun shell will cause the 4L60E to lose reverse. it had no 2nd or 4th gear , suggesting it was the 2/4 apply band . The TV cable is set correct and everything is working great, but it wont downshift to 1st gear. Mar 21, 2013 · Superior Transmission Parts GM 700R4 700-R4 4L60 Automatic Transmission Shift Correction Kit 1982-1993. While the TV cable still needs connecting to achieve proper transmission operation, the Constant Pressure Valve Body provides more liberty when setting part-throttle shift points. Mar 24, 2011 · 87 was a changeover year on the 700r4. 2 diesel, 700R4. Shift Correction Package. 1987 - 92, W/ Aux Valve Body, Valve Body Pro: The leader in remanufactured valve bodies. 700r4 valve body manual trans guru needed question tci piston700r4 ipt modifeid valve body 87-92 700r4 valve body warranty remanufactured Jul 20, 2009 · 700r4 valve body problems Jump to Latest Follow 1K views 3 replies 3 participants last post by lilnach Jul 21, 2009 Jul 24, 2021 · The Chip Makers Club. The little bit of reading I could find mentioned that grit will cause the valves to hang and drag. Drop the valve body , look for problems there. Each valve has its own designation for its specific purpose. This valve body kit deals with these problems:* Inadequate pressure rise* Burned clutches and bands* Erratic shift points* Soft or bump up shifts* Bump on coast down shifts* Raises lock up speed* 2nd and 3rd flare up* Part throttle searching between 4th and 3rd* New . You can check the servo band clearance easily. Monster Transmission provides transmission parts for all transmission year, make, and models. In addition to whole valve bodies, Monster provides individual parts that comes with the body itself, making up the 700R4 valve body assembly. There are admitted down sides of wireless lock up, but for fuel saving and heat issues for converter the 700R4 High Performance Valve Body Kit, Superior K700-R4-HP. [plastic gear damaged] Could be the TV valve in the valve body, sticking. 1986 K5 Blazer 6. However, the parts cost is a lot lower. The bore for the TV is worn out and the detent oil is not fully provided to delay the shift points. he knows more about these trans on these kinds of details than i do. May 13, 2006 · The TV cable is adjusted correctly. Fits 1981-1993 700R4 transmissions. Motor Vehicles . I intend to connect the original 700r4 to a 5. Jul 22, 2021 · Removed the original governor this morning, and it looks brand new, no junk in it, and the weights drop down and the valve rises just like it should. Apr 11, 2019 · Many builders don't go into the detail that needs to be gone into on 700r4's on the valve bodies. Yep, many a 700-R4 has been damaged by a poorly adjusted TV Aug 13, 2005 · Double check that the valve body gasket is against the valve body and not the case and that you didn't leave any checkballs out. i havent seen this. The builder talked about going with a constant pressure valve body and eleminating the tv cable’s control of line pressure. It will be removed after the valve body has been removed. Cable Adjustment Aug 11, 2019 · IF I accidentally put the wrong spring in the 1-2 shift valve in the valve body, would this cause it? The best I can tell is that the shift springs 1-2, 2-3, 3-4 etc should be progressively stronger (ie 4lbs, 4. com FREE DELIVERY possible on eligible purchases Amazon. Yes, the correct Geometry is needed for proper adjustment. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. The 4L60-E has an aluminum valve body with computer-controlled solenoids actuating the shifts. Feb 26, 2021 · The valve body itself is the biggest difference between these two types of 4-speeds. While rear-wheel-drive vehicles maintained the 700R4, some vans, pickups, and SUVs were treated to a new iteration of the transmission in 1990 called the 4L60. Oct 7, 2013 · Valve body gaskets are perfect and all passage ways through the plate are free and clear. The problem with an external pressure switch is some 700r4 cases do not have a pressure port near the 2-4 servo on late 1989 cases and newer. 700r4's are well known for wearing vavle bores in the valve body. Dec 6, 2020 · I put a 700r4 in my trans am And am having a problem getting the throttle valve cable adjusted to spec. Jan 14, 2015 · Here is a list of things that can cause no 4th: cut/missing seal on 4th piston (inside cap of 2nd & 4th servo), 4th piston in upside down or left out, 3-4 servo piston not put back in, pin not in, seal cut or not put on, or piston bore where pin rides is worn and allowing a leak, leaking input drum at turbine shaft, VB issues, TV cable not Nov 30, 2018 · If it doesn’t, suspect one of these problems: The cable is damaged and needs replacement. Jun 27, 2011 · i have just rebuilt my 700r4 transmission in my 1988 gmc 1500 4x4, it will not shift out of first. I spoke with tech support at TCI and was told the TV cable can be eliminated. brand new with a 3600 stall. I'v converted aux. In the photo with out switches : "C" is a valve that should be blocked in place. Ok let me provide details of what I've done and where I'm at. inline 6 nut. These small clutches may be a problem. Warped Valve Body. The GM 200R4 transmission is a very affordable option and easily reachable. Since the snap ring groove is so deep in the bore, the snap ring pliers won't go in far enough. You will need to carry over the throttle valve from your old valve body before you can drop in the new TCI manual valve body. 3 LS and keep the fuel injection. Feb 25, 2024 · 700R4 IPT Modifeid Valve Body Check Details Th 700r4 gearbox problems. if the 700r4 or the 200r4 had an issue with a lack of support or durability it would have shown itself a long time ago in wear to the particular items associated with the support of the internal suspended rotating components. Apparently, the line bias valve bleeds off line pressure above 1/2 throttle. I Hate The Aux. Shifting was lazy and it "free wheels" when I down shift to low gear, but pulls strong when I get on the gas. Valve body wear. As a student nurse, emergency first responder, and Red Cross volunteer, time and money are seriously limited. I’m going with a reverse manual valve body and have a couple questions. The 700-R4 has a cast iron valve body controlled by throttle cable and mechanical governor determining shift points. 471 TV boost valve and throttle valve sleeve for full throttle 3-4 upshifts plus valve body modifications that keep apply pressures up to needed capacity. I'm rebuilding it and screwed up. Accumulator Housing 3. Step 6 Remove the auxiliary valve body. Many car problems can be mistaken for transmission problems, however, such as bad fuel filters, spark plug wires, catalytic converters, fan clutches and Dec 20, 2007 · I believe I got my Transgo valve body reprogramming kit and their trans rebuild kit from NAPA. Solenoid Bolts 2. No. (See Photo 6. There are like 10 bolts holding it in place 700R4 Superior Kit (shift kit) This valve body kit deals with these problems: * Inadequate pressure rise * Burned clutches and bands * Erratic shift points * Soft or bump up shifts * Bump on coast down shifts * Raises lock up speed * 2nd and 3rd flare up * Part throttle searching between 4th and 3rd Feb 27, 2023 · Here I will give some common symptoms of a bad 700r4 transmission, and add a short line underneath it to explain where you should start looking for the issue. V. the early 87 doesnt have the aux. set-up,(step 1 in the instructions), in your valve body. May 1, 2008 · ok! i got a new tv cable for my 700r4 pull it back toward the firewallstep on the pedal or even push it to WOT by handNO ratcheting out NONEthought mabye it was the new cable so i tried one off another 700 and no it does not ratchet outthis is the first prob. If you don't have the tools to check the valve bores or at least the common ones, then they get over looked and you get line pressure bleeds and leaks. This fluid is applied to a large disc inside the converter with a clutch material on the leading side of the plate that locks the input shaft to the outside of the converter housing much like a 700R4 Remanufactured Valve Bodies . I replied, explaining that I had just picked mine up and to expect to pay about $1500 for the setup that was in the magazine. The new TCI® GM 700R4 Transbrake Valve Body Kit allows the user to stall the converter for optimal torque off the line. Shop On Our Website For More 700R4 Products Today! Or Call Us Toll Free At 1-888-877-1008! Mar 8, 2012 · The way the boost valve bore is machined, there is a tapered step about 1" into the bore. 1991 Suburban 4WD 6. Has a TransGo kit, and extra clutch pack for 3/4 (Alto I believe), corvette servo. i had a simular problem with my tranny and when i took it to the tranny shop it turned out to be . I left out the 1-2 accumulator, the 3-4 accumulator, left IN the governor, and did not put any check balls in, which is what the directions said. You will need to drop the valve body and get teh grit out by removing the valve. I've narrowed it down to the TV cable, TV body, or governor. Oct 22, 2007 · 700 R4 no shift Could be the governor. This 700R4 Shift Correction Package deals with these problems: Inadequate pressure rise; Burned clutches and bands Mar 27, 2017 · Hello everybody, maybe someone can sort this out for me: I did a complete rebuilt on a 700r4 with a brandnew valve body and the 700r junior shift kit from Probuilt automatics. Most of them have to do with the transmission being just wore out. If Oct 12, 2023 · 88-92 700r4 constant pressure valve body 700r4 valve remanufactured warranty auxiliary md8 4l60 buy. Many possibilities here I'm not trying to be a PITA , just verifying stuff to provide guidance for the problem. I didnt order the tv cable yet but I ordered the tv cable geometry corrector bracket that goes on the side of the carb from summit last night. The snap ring groove is about 1/4" deeper. The recommended fix was to clean the valve body and then install the valve plungers and slam it on the Oct 13, 2005 · heres how i see it. This valve body is of the later design produced between late 1987 through end of year in 1992. ) Some of the accumulator assembly parts will The TCI 700R4 StreetFighter Transmission for Chevy engine applications is tough enough to withstand the rigors of the toughest street machines up to 500 ft lbs of torque with a non-supercharged system using pump gasoline. Correct these problems before moving forward with your adjustment. Third, install sonnax booster valve kit 700R4-LB1. Part Number: TCI-371000 3. valve but you would need to drop the valve body down to check that. Third is a TV spring that's too long which subsequently will not allow the TV valve to position correctly at the edge of the TV feed orifice. Mar 18, 2011 · What is a 4L60E Transmission? The 4L60-E is an automatic shift, four-speed overdrive, longitudinally positioned transmission. As an example if the amount of governor pressure at a road speed of 40 mph is required to make a sticking 1-2 shift valve move, it would be high enough to make normally operating 2-3 and 3-4 shifts happen quickly after. 2 diesel 700R4 trans. They are usually differentiated from other versions with these transmission codes: BQ, OZ, BRF, CZF or KZF. com: TCI 376010 700R4 Reverse Shift Pattern Full Manual Valve Body w/Lock-Up Capability : Automotive Oct 6, 2023 · This video (one of many in a series) is primarily intended as a video 'How-To' for my customers to follow if servicing or replacing their own valve bodies. my trans will not downshift, no matter where my throttle is. 700r4 valve remanufactured warranty auxiliary md8 4l60 buy Th 700r4 gearbox problems Valve tci body manual powerglide bodies over. To do this I want to eliminate the TV cable, so I intend to install the TCI manual valve body in the 700r4. They even included all the springs, pieces, and instructions on changing the valve body actions to cure all the factory shifting problems; where to grind off a bit and where to put each new part. Holding the valve body securely, remove the last bolt and lower the valve body, separator plate and gaskets. 1. is it possible that maybe a seal on the tv valve is leaking, or maybe What are the common problems with a 700R4 transmission? The 700R4 transmission undoubtedly has amazing performance, but that doesn’t mean it is perfect. Mar 16, 2018 · It shouldn’t take much diagnosis to determine if your 700R4 is fitted with one of these kits. This is also a good time to add a new filter and some new Jan 10, 2024 · Many transmission shops can rebuild the broken valve body on your vehicle. I get the impression that is the reason they designed it not to go into 4th at wot in the first place. $1200. Jul 24, 2012 · AUX valve body= needs check ball in correct location Check ball in capsul in case = leave it or remove it. Tci auto 700-r4 full manual valve body with engine brakingTci auto 744200 tci full manual valve bodies Shifting gears: valve body tech with tci automotive700r4 tci. valve body's before and made the tran's work. I pulled the servos and verified that the unit is assembled properly and that all the seals are in tact. Nov 8, 2021 · There is a valve change so that it will shift into 4th at wot. The transmission is known to give certain issues. Had the trans fully built, installed it last night and no gears, not forward or reverse. The TV plunger or internal linkage has a problem inside the transmission. Or modify the VB and seperator plate to Loop TV supply oil(not easy/not for the rookie) Also, you could install a larger boost valve with a stiffer pressure regulator spring, but this yields harsh part throttle Feb 9, 2017 · So let’s get into some common problems that the 700R4 may have. This alleviates common transmission issues by maintaining adequate line pressure at all times. Jun 6, 2018 · Accumulator valve; Forward abuse valve; 3-4 relay valve; 3-2 control valve; In addition to vacuum testing these valves, the following are other common valve body problems to be on the lookout for. Clutch wear. Heres the deal: its a 700 r4 trans outta a 88 chev 1500 4x4. in a th 400 or 350this is another story. Aug 30, 2019 · Many items can cause the same problem you describe. Feb 28, 2007 · Oil Pump Assembly - Stuck pressure reg valve/TV boost valve Valve body Assembly - Sticky throttle valve or plunger Modulated TV up/down valves sticking TV Limit valve sticking line bias valve sticking dirty governor filter 2-4 servo assembly - damaged servo piston seals/apply pin damaged 2-4 band assembly - burned, anchor pin not engaged A Complete 700R4 Auxillary Valve Body. You can expect to save around $200 if you choose to have your old valve body rebuilt. I am no transmission mechanic. TCI modifies a v-body for full main line pressure all the time. My Apr 22, 2024 · TCI 700R4 Constant Pressure Valve Body GM, ' 82-' 86 : 376021. It does require removing the old valve body, so the labor cost is similar to simply buying a new one. Then you will see a sear pin that holds the TV valve and its bore in the valve body. Could also be something in the transmission like the forward clutch splines, seen them strip out too, but it's a lot of work to remove the transmission and disassemble it as a starting point. Automatic Transmission, Remanufactured, Forward Shift Pattern, Automatic, Manual Valve Body, Chevy, 700R4, Each. It allows the driver to manually control the transmission’s shifting without the need for a TV cable. The 700R4 valve body is the control center to the transmission. If this happens, you’ll be on the hook for an expensive These revolutionary constant pressure valve bodies from TCI solve the low line pressure (above 200 psi) problems associated with improper shift T. I purchased the vehicle as setup. Automatic transmissions are complex components--mysterious boxes filled with fluid and strange-looking parts that challenge even an accomplished engine builder. Feb 17, 2007 · OD trans. Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Chevy, 700R4, RWD, Each. May 7, 2008 · there is one where the pan gasket sits on the same side as the servo apply pressure and you should see the band apply, there is also more holes under the valvebody to test as well 2. 700R4 Transmission Problems. to non aux. I leave them out IF I did not mention the other chk balls or arrows, they are correct. Could be a bunch of stuff, but if you can get a 0-300 psi gauge and install it on your mainline pressure tap, located above the linkage, you can save yourself a lot of work. Will fit years from 1987 - 1993. v. Sep 28, 2008 · What is being talked about in the original post is a ; "constant pressure " valve body. Manual Dec 3, 2023 · 700r4 valve body manual guru trans needed question tci piston700r4 code help Gm 700r4, 700-r4 valve body 1987-1992, electronic lockup700r4 shift body kit internal valve transmission ball check pan into quick questions problem harness gm dirty tranny checkball pic. transmissionhead. 1981 (two of them) Chevy Chevette with 1. 4L60. The question was asked TWICE how much one of these setups would cost. valve body to non aux. This valve body kit comes supplied with the Corvette servo, the big . This kit was designed for 1982-1987 units with a type-1 valve body; however, it will fit all year models and valve body types. If the valve body ends up warped, or if the gasket fails, it’s entirely possible that the gear won’t engage. I Mar 28, 2018 · Hey guys, I’m dropping off my 700r4 on Friday to a very popular and highly rated performance transmission builder. assembly. N May 1, 2024 · The absence of harsh shifting would point me in the direction of a valve body issue. as i still have a late shift prob. Aug 15, 2003 · Many aftermarket shift kits have you install a spacer or a hevier spring to help prevent this common problem of sticking TV valve. ‘’the transmission shifts into The gears at 1-2 13 2-3 25 3-4 50 even shifting from 3-4 at 50mph seems uncomfortable. All valve bodies are 100% quality checked for proper function, and where applicable, proper operating pressures are checked on a dedicated valve body test machine. Line pressure rise was ok (from 75 to about 185 psi), but at throttle more than 50% upshifts stagged. this happens in all gears. it constantly reads anywhere from 120-150psi no matter what gear its in. Many DIY ppl will not do this since gasket tear is possible. All reactions: 54. when the truck was brought to me . 3V6 with factory 700R4 that has slight mods such as Vette servo, wide band all new internals new torque converter the check ball in the input shaft delete thought it was gonna be alright watched a video where they do reverse check ball delete in the valve body and about 3 other check ball deletes the valve body was already working b4 rebuild it lost 2nd and overdrive Jan 4, 2018 · The real problem with harsh shifting is that many issues can cause it. 24 out of 5 stars Jan 16, 2011 · Sorry it was a bogger, Dan. TCI makes some really hardcore stuff, lots of my drag racing firends use their stuff and they love it, no real problems and is built to handle Oct 18, 2023 · Quick internal questions about 700r4 Body valve reverse manual c6 700r4 4r transmission r4 monstertransmission 2004r Full manual reverse valve body for the 700r4 transmission. When I put it in Drive, it seems to hunt for 3rd and 4th (moves up and down 3 or 4 times). Step 4: Press and hold the release button on the cable, and push the inner jacket all the way back toward the Nov 19, 2012 · Hi Guys, I've been doing a lot of research as I prepare to put my 700R4 back together. Its about a 2mm hole. But it wasn't available at the time. 91 Omit check ball. Torque converter won’t lock. Valve Body Unit's. A blocking pin about 1/8th diameter (welding rod), . TCI likes to get rid of stuff like that and run wide open pressure for racing applications like yours. im having a problem with high line pressure in the trans. the weight of the parts of these units in comparison with the aforementioned is significantly Jul 31, 2012 · Does this truck have a 700r4? If the TV cable is NOT hooked up and adjusted properly you cna burn up the trans in short order since the TV cable also regulates fluid pressure in a 700r4. com for their house brand. The 700 has many charms but many well known flaws. Jan 11, 2012 · 700r4 tv plunger is getting stuck hi i need help i have a 84 chevy c10 with a 700r4 it was burnt up and i rebuilt it and it would rev to 3500rpm and would shift from 1 to 3 to 4 with no 2 and i found out the tv plunger was stuck at wot and i unstuck it and cleaned it up and i drove it and it shift great 2 times from 1 to 2 gear and now it wont shift at all so i asume its stuck again is there This TransGo 700 SHIFT KIT® Valve Body Repair Kit fits 1982 to 1993 General Motors vehicles equipped with the 700R4/4L60 automatic transmission. This requires removal of the valve body from the trans. The 700R4 valve body gives you full control over shifts, allowing for the maximum amount of These versions feature a unique valve body, a larger reversed boost valve, a second to third middle servo, and a special governor assembly. The TV circuit still operates as original with shift timing changes as the cable is pulled . I have to rev it pretty high into second gear to get this. This figure for 1982-87’ vehicles without auxiliary valve body. Jun 26, 2006 · Hi guys, Tranny shifts fine when in 3rd from 1st-2nd-3rd. but neutral if kicked down. While the T. Chrysler 48RE (Standard Valve Body) Chrysler 48RE (Reverse Valve Body) Chrysler Proflite w/double neutral (Reverse Valve Body) Chrysler Proflite w/double neutral (Reverse Valve Body, alternate Push/Pull shift) GM Powerglide (Standard and Reverse Valve Body) GM Pro-Hydro w/double neutral (Reverse Valve Body) GM Turbo-Hydro 200/350/400 (Standard Aug 3, 2023 · 2nd design valve body Will NOT interchange onto a non-aux valve body case Third design drum will technically retro to any year 700R4 but forward feed orifice was widened from 3mm to 6mm so installing onto non-aux valve body applications may result in very harsh engagements into drive. Due to overheating, the valve body can become warped, which can significantly hamper gear changes. Apr 7, 2011 · Second, replacement of the TV valve with a newer style(it has the multiple slots). trans. Basically the constant pressure valve body is an attempt to eliminate the flaw by using an inferior but simplified design. Solution – Replace the 4L60E valve body with revised TCC regulator and isolator valves. Also while the engine is running in park or gear, at 1700-2200 rpms I have a very nice vibration, that is almost inconsistent. MAF sensor causing the transmission lower command line pressure to be to low. In 1990, General Motors changed the name of the 700R4 to 4L60, which represented 4-speed, longitudinal, 6,000-pound gross vehicle weight rating. Jul 11, 2009 · The valve body and separator plate will work just fine. The latest valve body kit from TCI® creates improved reaction times and quicker acceleration in drag racing applications and GM 700R4-equipped street/strip vehicles. Engine screams at those rpms (don’t know the rpms, don’t have a tachometer installed), but based on the engine noise it Dec 27, 2007 · Perhaps the TV valve in the v-body is partially sticking. This step is what causes the "boost valve in the pan" problem. Jun 10, 2010 · Perhaps some repeated words, the memory card ran out on the camera, but none the less, a continuation of installing a valve body onto an automatic transmissi To disassemble a 700R4 transmission, you will need to remove the transmission pan, filter, valve body, torque converter, and various other components. It's easier to block the valve during the rebuild process of the trans. I need to identify the most likely problem fast, and deal with it even faster. This just exchanges one problem for another. i could force a 1-3 shift out of the trans at speed. I have a 700r4. Had a 700R4 rebuilt with performance upgrades. Sep 30, 2010 · hello everyone, I need a lil help if anyone could offer a few solutions if possible . i have took the valve body off and checked the tv valve, and it is not sticking, i have replaced the detent cadle and adjusted it, i have checked the govener and it is not sticking and is in good shape, i am out of ideas and need help in solving this problem before i drop the trans back out of 700R4 VALVE BODY KIT 17000 Ver. I have heard that the clutches are small on OD in the 700R4 and if you put the valve in . It Dec 27, 2023 · 700R4 vs. 88K5 14b/d60 Self destruct mode switched to on! 97 Xcab Dodge crawler in the works. The tolerance/distance it moves appears identical to the brand new governor. FWIW Third gear is supposed to release the band, so if you had a non-functioning clutch, etc, the trans would actually drop to first, although it likely would feel like a neutral. Jul 28, 2009 · I often suggest an internal pressure switch "normally open" type with single pole - self grounding to thread into the valve body. Any Throttle Valve Plunger Valve Kit 77966-94K OE plungers with code 94 Shift/Engagement Concerns 1-2 Bang at light throttle, Reduced 2-4 band life Accumulator Valve Train Kit 77777M-K '87-Later auxiliary valve body styles only, "M" version valve train in heavy vehicles, . Jun 20, 2022 · TCI cast-aluminum oil pan, 700-R4: 378000: TCI Saturday Night Special converter, lockup, 1,800 stall: 242700: TCI 700-R4 Street Fighter trans with constant pressure: 371100: TCI locking dipstick: 743865: TCI slip yoke, 700-R4/4L60: 967350: TCI Universal TV cable: 376800: Sonnax rear stator support bushing: 77002BT-01: Sonnax SmartShell: 77749-02K The 700R4 transmission has been in use since the early 1980s, meaning a good market saturation for new, used and rebuilt transmissions and parts for this model. Full manual, reverse shift pattern with ability to lock the torque converter clutch in 2nd, 3rd and 4th gears. 2 diesel, 1988 K5 Blazer 6. C-ya Scott May 1, 2007 · If the governor is fine, I would look for a stuck Trottle valve in the valve body. 2 diesel, TH400 trans. The constant pressure valve body won't reverse the damage you have already done to the clutches. com and scroll to the bottom of the page,there you will find a kit to correct and improve the shifting of your 700r4. The 4L60-E is found in nearly every GM rear-wheel-drive application, including the C/K Truck, Sonoma, Jimmy, Tahoe, Yukon, Astro, Safari, Suburban, Bravada, […] May 14, 2002 · ago. If not, it’s probably best to have a professional shop install the kit in the trans since this will require removing the pan and adding some wiring and a pressure switch to the valve body. Nonetheless, you can expect a max engine torque around 350 lb-ft and a max gearbox torque of 650 lb-ft. All TCI valve bodies are 100% quality checked for proper function and, where applicable, proper operating pressures on a dedicated valve body hydraulic test machine. This will also enable you to remove the 3-4 accumulator piston and piston pin. GM 700R4, 700-R4 Valve Body 1987-1992, Electronic Lockup - World Wide Th 700r4 gearbox problems Jul 20, 2009 · 700r4 valve body problem lilnach (Automotive) (OP) 20 Jul 09 19:38-----I have a 700r4. Installation of the TCI® 700R4 Constant Pressure Valve Body avoids common transmission destruction by maintaining at least 200psi line pressure at all times. One thing that Tony talks about is blocking the line bias valve. Torque Converter won’t lock and slipping. Equipped with a TCI contant pressure valve body, this solves the issue of mis-adjusted TV cables causing early failure. No engine compression May 8, 2011 · The stock 700r4 pump pressure reg valve has two little valves above that valve you show, the boost valve and the reverse boost valve. To clean the TV valve the pan would have to come off and the valve body removed. Nov 1, 2018 · If the transmission happens to shift early after the coarse adjustment, grab the cable adjuster so it doesn’t move, and push the release button, and then move the cable back toward the bracket a few clicks. but there were two holes that were labeled "drill one OR the other, NOT BOTH" and I guess the carb cleaner fumes weren't well enough ventilated and i drilled them both. It has been considered to be the best rendition of the finest overdrive automatic transmission ever produced. The constant pressure valve body sounds like another baind aid. (only 1-2 234 shift fine) so if i adjust it by hand,i think it is supposed to shift sooner May 4, 2018 · Valve Body Issues- A bad valve body can make the reverse gear not work in the 4L60E. The 3-4 clutches don't have an exceptionally long life even with stock setups. 1. 341" dia. Booster Valve- A bad booster valve can leave you without reverse in a hurry. May 17, 2017 · With the TCI Automotive Constant Pressure Valve Body kit you can also fix one big pain with the 700-R4 transmission: the TV cable. After you get the transmission to shift at the right speed for the 1-2 and 2-3 shifts, you are ready to verify the transmission has a full throttle 2-1 down shift. Accumulator Valve Train Kit 77777L-K '87-Later auxiliary valve body Overheating can also cause a warped valve body, which can be problematic when changing gears. 01 - 6 - Note: valve # 15 Converter Clutch Valve not used In all models. Following a detailed disassembly guide, carefully take apart the transmission step by step. 856-400-0063 (call only, text function not working) Dec 13, 2023 · I am setting up a 1991 Caprice for ice racing. But, as said before, depending on your driving style, the 700 is going to need some upgrade parts to make it durable for the long run. Jan 1, 2007 · This 700R4 is a 1986 with no aux valve body, it has just been rebuilt. or fast enough to allow a 3 Oct 15, 2021 · Sonnax valve body diagram for 4L60 (700-R4) units. 20-116. Frequently Overheating can weaken the metal used to make the 700r4 3-4 clutch pack discs. so here it is, i got a freshly rebuilt 700-r4 hooked up to a 350 SBC. Tci 700r4 gm. cable adjustment. The Eddy carb adapter is usually about $22 at SummitRecing. ” Mar 12, 2023 · I show and discuss the various differences between all 700R4 valve bodies that were produced from 1982 through end of production in 1993, some of which were Jun 23, 2010 · Buy TCI 376010 700R4 Reverse Shift Pattern Full Manual Valve Body w/Lock-Up Capability: Valve Body Kits - Amazon. This figure for 1987 & up vehicles With auxiliary valve body. Dec 13, 2006 · govenor i really dont know much about the 700r4's but as i have one i would like to know the solution to your problem. I have a 1995 Pontiac Trans Am 383 lt1 crate motor it. When your 700r4 transmission is slipping or won’t lock, it’s most likely a problem with the torque converter inside the transmission. valve body. This is a complete valve body kit that also includes options for heavy-duty, street, and what TCI calls street-plus approaches. This is a video of a THM-700-R4 Transmission. Both of these are situated beneath the region where the 1-2 accumulator was taken out of. maybe crosley will see this and chime in. 700r4 valve remanufactured warranty auxiliary md8 4l60 buy . On an unrelated note, possibly related note, instead of making two threads ill post it in here. Even without blocking the TCC valve open, its bore is a high-wear area that leaks 3-4 oil via the 2 May 2, 2007 · 700 lock up as in prior post there is a big debate on lock up and the different way's to achieve lock up. Problem – Drivers may experience an unusually harsh 1-2 shift because the ECU has commanded maximum line pressure in order to compensate for excessive wear in the bore that contains the TCC isolator and regulator valves inside of the valve body. Valve Body. If your shop is on the ball they will no how to do the lock up without wires and change lock up timing(ie mile per hour engagement). Apr 10, 2013 · The rebuild kit came with two sets of valve body gasket and I have aux. 1982 - 87, With TCC Bore Part No. Remove the 3-4 accumulator spring, 3-4 accumulator piston and 3-4 accumulator piston pin. May 16, 2013 · I am kind of leaning towards pulling the pan and replacing the solenoid and redoing the wiring on the valve body. 700-R4 TRANSMISSION VALVE BODY HYDRAULIC LOCK-UP TYPE REMANUFACTURED GM-4616 FITS '81-'92 (R74740-7A) Menu. 00 in hard parts alone ( TransGo, Sonnax, etc). cable still needs connection for proper transmission operation, the TCI® 700R4 Constant Pressure Valve provides more freedom when setting part throttle shift points. 0 out of 5 stars Apr 20, 2021 · 700R4 4L60 Gasket Set for GM vehicles 1987-1993 Features: 1-Lower Valve Body Gasket-orange stripe 1-Upper Valve Body Gasket-yellow stripe Parts ship daily from our distribution center. Old 350's and 400's are much simplier parts wise than the 700's. Nov 21, 2005 · Recently I bought a reverse manual valve body kit with corvette servos from TCI (no engine compression braking), and the installation was smooth and straight forward. 6lbs for example). Mechanically its not hard to remove and clean the valve body. Those Superior springs won't even notice the slight,if any,pressure variance that the new Transgo TV valve will be giving them. Found within is a maze of various passages that directs fluid to its appropriate clutch or servo to provide a smooth shift. Initial issue: Not shifting from 1st to 2nd until 30mph. 2 diesel, 700R4 trans. valve body, and the late 87-up does. 700r4 tv cable adjustment guide - California Performance Transmission stocks high performance 200-4R and 700R4 Automatic Transmissions, Torque Converters, Shifters and Parts Technical Information T. Oct 6, 2004 · As far as I know the 700R4 does not use a modulator, so I skipped the vaccum system. So here are the most common 700R4 transmission problems. THe problem with the constant pressure v-body is line pressure is very high all the time. The 700R4 and 2004R were the first GM automatic transmission to come from the factory with a locking torque converter. Nov 26, 2018 · Hi, I'm having issues with the 700R4 on my 84' K10. Description. as far as i know, you cant swap them. Some models check ball not used. 890 long works well. 1987 V20 4WD Suburban 6. Valve 700r4 tcc spd vb rwd sonnax remanufactured constant 4l60Tci valve body constant pressure avoids revolutionary incorrect cable installation 700r4 road off Sep 26, 2007 · If it is slipping it needs going through. If a piece of grit is sticking the valve, fluid wont fix your problem. Remove the remaining valve body bolts except for one near the center of the valve body. The valve body of a transmission is often called the control valve and has been modified and updated through the years. Installing the valve body back onto the 700-r4 transmission, part 2Valve 700r4 body transmission identification chevy diy 700r4 valve body performance700r4 valve body lockup 1987 hydraulic electronic gm 1992 r4 tcc. 700-R4 with valve kit. 8 diesel and 5 sp. Any leftover valve body bolts can now be removed. I got a tci reverse shift pattern full manual valve body with engine braking from summit. Mar 2, 2016 · Recommended Valve Body Repairs/Upgrades; ID Sonnax Component; C: Heavy Duty 2-3 Shift Valve: 77754-41: H: Actuator Feed Limit Valve Kit Reaming Required: 77754-09K: E: 3-4 Relay O-Ringed End Plug Kit: 77964-08K: B: Forward & Reverse Abuse Bore Plug: 77754-21: A: Pinless Forward Accumulator Piston Kit* In Performance Pack HP-4L60E-01: F Jul 20, 2009 · 700r4 valve body problems. So that would be why they took valves out and used that aluminum valve. I'm stalled a 700r4 with a reverse manual valve body, freshly built from monster transmission. 8lbs, 5. VALVE BODY GM 700R4 TRANSBRAKE. Went to drive it, put it in drive, 1st gear is fine shifts to second and very unresponsive / slippage, shifts to 3rd, 4th and OD 5. TCI selects and uses only the valve bodies that will provide the best performance and service. Took it back to the rebuild shop and they said they replaced the valve body and it shifted normally after that. This valve body kit deals with these problems: Inadequate pressure rise Burned clutches and bands Erratic shift points Soft or bump up shifts Bump on coast down shifts Raises lock up speed 2nd and 3rd flare up Part throttle searching between 4th and 3rd The Superior 700-R4 kit contains an Jan 29, 2016 · Not a problem installing the entire Transgo T. . During the removal of auxiliary valve body, the check ball located inside will drop out. and Chalet pop-up camper body. Remove the pin and remove the TV valve and its bore. 35-45 would be a lot nicer. Could be the trans is trashed, hanging up the valve body. The torque that can be handled by a 700R4 transmission varies depending on its production year. One very common issue reported by users of the 700R4 transmission is May 7, 2008 · hey there, new to this forum, found it in a search for a solution to my problem. K. Most 700R4 transmis sions now have this auxiliary valve body (See Figure 2). I have made several posting on this as has Crosley. the vehicle goes through all the four years just fine with no leaks however it does bind up in Reverse. it would be greatly appericiated. Next, the valve body, gasket, and separator plate can be taken off of the transmission. Tci 376020 88-92 700r4 constant pressure valve Oct 7, 2021 · GM 4L60 (700-R4) Valve Body Layout. GOT QUESTIONS on your specific Year/Make/Model? Send us a message . Remove the Valve Body Bolts. 77fj40/94fzj80 Jun 6, 2022 · I have a 1992 Sonoma gt 4. i would think if your govenor wasn't working properly it would make the tanny act weird. I had shifting trouble with mine(in a '88 s-10)and ordered this kit-it corrected my problem-my trans was acting the same as you have described yours,when I took mine apart,I found that my servo spring was broken in two pieces-a new May 18, 2010 · The earlier 700R4 and non electronic 4L60 were controlled by a hydraulic valve body and received throttle input, as stated above, from the TV cable. 1989 GMC 3/4 ton, 4WD Suburban, 6. I had no idea it was a basket case, 10-4 on the mixing up of aux. vavle body also the transgo kit came with a set of valve body gaskets so I have an extra set. - with Halmark pop-up camper body. Feb 15, 2021 · The better solution that applies to your situation since you already have a 700-R4 would be TCI’s constant pressure valve body. Apr 19, 2019 · When engaged, the solenoid opens a passage in the valve body that applies hydraulic fluid pressure to the back side of the converter clutch assembly. This allowed for a true 1:1 connection between the engine and rear wheels at high speed, which increased fuel economy. TCI came out with this product many years ago in response to these TV cable problems. the 4th gear example was just to show how drastic the problem is. kpwqn ssmb sfycc veihcs mebns nif zxohya lkxvco ggblnz zwzn