Install bolts in the usual manner. Now torque all valve body bolts to 10 ft. lbs. Some areas are cast iron, such as the center support for the transmission. lbs. 7. Pump to case gasket mispositioned. lbs. But, I also find it easy enough to shift it down a gear, blip the throttle like you would on a stick, and it works. tires: unkown. My car: 68 coup, 383 stroker dyno'd at about 440 h.p. Pump body wear in gear pocket. This transmission is known more commonly by the name TH400, although it did receive another name change in the late 80s, adopting the name 3L80. The TH400 came in two wheel drive and four wheel drive vehicles, passenger cars and heavy duty trucks, as well as GM vehicles and those made by other manufacturers. bandit_60. 1. From rugged performance slip yokes to trusted aluminum weld yokes and tubing, Sonnax drive shaft upgrades deliver enhanced strength and durability from street to strip, on road and off. It was introduced for the 1965 model year and made its debut in Cadillacs, and is respected for its durability and adaptability. This valvebody dumps all pressure from the … Copyright HCDMAG.com - All Rights Reserved. Valve Body Billet Aluminum TH400 reverse shift pattern (P-R-N-1-2-3), with engine braking. The Turbo 400 is primarily constructed of cast aluminum, with the bell housing being integrated into the transmission and also made of cast aluminum. 1. Vacuum regulator valve (Diesel Engine Only). HCDMAG.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. The Turbo 400 transmission was a 3 speed automatic transmission developed by General Motors. Buy Direct from Speedmaster™ with Free Shipping. Porosity in pump body or cover. SKU 221580. The TH400 is an automatic shift, three-speed, longitudinally positioned transmission. The TH400 was very popular, particularly known for its strength. Bolt valve body to transmission, after hand starting all bolts. I was ready to order a TH400 transmission with a full manual valve body and as transbrake for my 70 Chevelle project, when somebody mentioned that automatic transmissions with full manual valve bodies do NOT have a "governor" and therefore don't provide adequate lubrication for the tail yoke for street driving. GM TH400 Transmission Billet Aluminum TransBrake Full Manual Valve Body | MPN:PCE634.1002 | UPC:840136559528 or 120 in. Also torque the solenoid retaining bolts to 10 ft. lbs. The B&M Traveler TH400 transmission is a rugged model built specifically for heavy duty towing, RV and Off-Road applications and features medium firm shifts compared to the very firm shifts of our Street/Strip models. The valvebody is machined from Billet Aluminum. Most competition TH400 transmissions utilize custom valve body to spacer plate and spacer plate to case gaskets available only from the manufacturer. It was not only used in General Motors applications, but was also used for many luxury cars. or 120 in. Using that lost pressure to move forward! You can eliminate this feature by performing the following modifications to the valve body. GM 700R4 Transbrake Valve Body Kit . Found within is a maze of various passages that directs fluid to its appropriate clutch or servo to provide a smooth shift. The TH400 was first introduced beginning in 1964, as it began to replace the Super Turbine 300 transmission, which was a 2 speed automatic. Make sure the manual valve is engaged with inner selector pin. He machines an area into the pump that he calls the bathtub, it features two feed orifices; one off the main regulator valve that feeds the bathtub, and another that feeds the torque converter. The Turbo 400 was placed in many cars across GM as well as other car manufacturers during its long production life. The TH400 valve body is the control center to the transmission. The bathtub has a .250-inch channel that runs around and back into the valve body area, with a mechanical dump that turns it on an off. See Figure 2-25. Stage 2 TH400 – 750 HP/TQ capable. More in-depth information is here. It was designed to prevent engine damage. 1 decade ago. Torque all 5/16" bolts to 10 ft lbs. This is a durable and very well-known transmission, as it was in production for many years and applied to a wide variety of vehicles, not only General Motors. That being said, a common fill volume is between 11-12 quarts for a stock transmission. torque specs for th 400 transmission? The transmission was not exclusive to General Motors, as many luxury brands such as Jaguar, Ferrari, Rolls-Royce and many others made use of this transmission. $411.11. Answer Save. The valvebody is machined from Billet Aluminum. The TH400 has a over-ride shift that will shift out of low gear even if you have manually selected low. THM 400 – ATSG (Automatic Transmission Service Group) PDF. Add to Cart. The internal transbrake design permits ultrafast reaction times. The Turbo-Hydramatic or Turbo Hydra-Matic (THM) series was developed to replace both the original … The GM Hydramatic 6L80 transmission heralds a significant change in the design of automatic transmissions at General Motors. Wrong boost valve and sleeve. As an Amazon Associate I earn from qualifying purchases. The 6L80 was, from the ground up, developed as an electro/hydraulic controlled transmission. Our Stage 2 TH400 includes all the components in the Stage 1 rebuild but is upgraded to a 34 element sprag and the corresponding direct drum, 6 clutch direct with carbon based frictions, 4 clutch intermediate, manual/automatic valve body or forward pattern full manual upon request. Excessive wear on pump cover (Stator). Not any longer!! $263.10. Valve body kit delivered the performance we where looking for! Lubricate the o-ring with transmission fluidand install into the case bore. Modulator valve in case stuck. and 460 torque. Update: Ok lets not be a Smart *** the box got losted in the mail. 6T30 6T40 6T45 6T50 Torque Specifications; 4L60E Valve Body Rebuild Instructions; 4L60E/4L65E Rebuild Kit Options; GM 4L60E Hardware Torque Specifcations; 4L60E Filter Style Guide; 4L80E Hardware Torque Specifications; Marine Transmission Information . 3. Add to Cart. The TH400 was very popular, particularly known for its strength. Transbrake & Valve Body Instructions FTI Performance has put together Instructions, Instructional Videos and Information for our Performance and Racing Transmission and Torque Converter products. Article may contain affiliate links. When servicing such transmissions, exercise caution Wish List Compare. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, street/strip, hot rod, street rod and towing ... TH400 Reverse Manual Pattern Valve Body . This transmission became well-known for its strength and was very popular, based on its life and the number of applications in which it was installed. The TH400 is 24.37” long and comes in at a weight of 135 pounds dry. TCI TRANS BRAKE VALVE BODY KIT TH400 FULL MANUAL REVERSE PATTERN TCI221500 TCI trans-brake kits allow you to achieve maximum torque converter stall for quicker and more consistent reaction and 60 ft. times. Favorite Answer. Move Once you’ve upgraded transmission and torque converter performance, get the power down to the ground with premium-quality Sonnax driveline components. 10.Install o-ring on the filterpick up tube. The internal transbrake design permits ultrafast reaction times.This valvebody dumps all pressure from the pump when shifting into the clean neutral position.• Shift Pattern is P - R/N - 1 - 2 - 3 - CN• Requires a custom shifter• Must use transbrake to back the car up. One of the attributes that is credited with providing this strength is the cast iron center support. This kit maintained full line pressure going into 3rd where all other (Auto) kits would lose 50 lbs pressure into 3rd. TH400 Billet Clean Neutral Valvebody (3spd-Rev Pattern). Velvet Drive 71C/72C Torque Specs It is widely regarded to be a supremely durable and legendary transmission. The internal transbrake design permits ultrafast reaction times. This transmission does vary in the amount of fluid required, based on certain specifications such as which torque converter is used. Velvet Drive 71C/72C Torque Specs Re: TH400 No Shift problem-- valve body removal? Looking in my 350 manual, by Ron Sessions, he says 7-10 ft/lbs (84-120 in/lbs). The old B&M instructions, says 100 in/lbs. Torque 1/4" bolts to 10 ft lbs. Part Number: HUP-HP2211EBRX The TH400, or Turbo 400, transmission was a 3 speed automatic that was first produced in 1964. TH400 Manual Valve Body Kit Components Valve body Separator plate Gaskets Special manual valve Modulator plug w/o-ring Rear accumulator spring If you have any questions regarding the proper installation and/or operation of a Coan Racing product, please call (765) 456-3957. Overall this transmission was in production for 27 years, and to this day is commonly used for many aftermarket applications. All previous GM automatic transmissions were virtually all based on hydraulic controls, and received increasing electrical elements as they modernized. Although the overall sentiment is that this is a very strong and durable transmission, some of the most common problems seen are clutch wear and hydraulic fluid leaks. Tighten the 5/16" bolts to 15 foot-pounds of torque and the 1/4" bolts to 8 foot-pounds. stuck to the plate, remove the valve body to spacer plate gasket (56) from the valve body spacer plate (57). SKU 376025. Install gasket, separator plate, gasket, and BTE manual valve body. One of the attributes that is credited with providing this strength is the cast iron center support. Overall the transmission remained in production an impressive 27 years before it was eventually replaced by a 4 speed electronically controlled transmission, the 4L80E, in 1991. 6. Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors.These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.. 3. 5. The instructions for the TransGo kit I just put in, says to torque the valve body bolts to 75 in/lbs. Each valve has its own designation for its specific purpose. 4. This Repair Manual contains general description and overhaul procedures necessary to repair, overhaul or service the Turbo Hydra-Matic 400 transmission, and is found in both passenger cars and trucks. Relevance. The TH400 is an aluminum cased three speed automatic transmission that was produced by GM.. 3 Answers. TCI TH400 Transmission Manual Valve Body Reverse Shift Pattern w/Trans Brake Shipping: $199 handling fee will be charged in the cart and covers all shipping in the Cont US Pricing: $1,769.95 TH400 Manual Valve Body Kit (Rev Pattern), TH400 Manual Valve Body Kit w/Engine Braking (Std Pattern), TH400 Trans Brake Valvebody for Street Cars, TH400 Trans Brake Replacement Valve & Spring, TH400 Valvebody (Auto/Manual High Horsepower). Pressure regulator or boost valve stuck. 2. 6T30 6T40 6T45 6T50 Torque Specifications; 4L60E Valve Body Rebuild Instructions; 4L60E/4L65E Rebuild Kit Options; GM 4L60E Hardware Torque Specifcations; 4L60E Filter Style Guide; 4L80E Hardware Torque Specifications; Marine Transmission Information . Install the valve body to the case. Ratio: 3.73. This was one of General Motors editions of the Hydramatic transmission series. You must remove the 1-2 shift valve and grind two flats on the land designated by the arrow. The Traveler transmissions also feature increased oil flow which provides cooler operation under extreme conditions. Lv 7. Step 8: Install Valve Body . The TH400 was initially placed in Buick and Cadillac cars and later added to Chevrolet, Oldsmobile and Pontiac cars. The correct location is in the hole closest to the output shaft. 4. any thoughts on this? You may also fax us at (765) 456-3960, or e-mail at coan@coanracing.com. The valvebody is machined from Billet Aluminum. I have considered hooking up the downshift solenoid to a button on the shifter to kickdown on command. on another thread, a comment was made about using a manual valve body in a TH400. The Turbo 400 is rated conservatively at peak torque of 450 lb-ft. That being said, this transmission is commonly used in hot rods and paired with engines making far more torque, although these transmission also must commonly updated with some aftermarket parts. Install valve body over guide pins making sure checkball does not fall out. Although the overall sentiment is that this is a very strong and durable transmission, some of the most common problems seen are clutch wear and hydraulic fluid leaks. Info on Powerglides, TH 400 Transmissions, Diesel Torque Converters and Valve Bodies. This transmission eventually made its way into many of the truck applications for General Motors. i need torgue specs for the pump, center support, valve body, and servo cover, and oil pan. You are now ready to install the manual valve body. Is the 75 in/lbs TransGo speced tight enough? Align the governor tubes and the shift linkage while lowering the valve body into position. I've always heard good things about the TH400. Many of the other specifications for this transmission are defined by the name 3L80 that was given late in this transmission’s life cycle: This 3 speed transmission has its gear ratios defined as 2.48 for 1st, 1.48 for 2nd, and 1.0 for 3rd gear. Do not connect the solenoid wire. Prior to installing the valve body, place a new governor filter screen in the case. Excessive pump gear clearance. No more soft third gear after trying numerous other kits. Not be a Smart * * the box got losted in the design of automatic transmissions General. A manual valve body, and to this day is commonly used for many luxury cars this is. Box got losted in the design of automatic transmissions were virtually all based on certain such... Available only from the manufacturer support for the transmission that being said, comment. In at a weight of 135 pounds dry transmission heralds a significant change in hole. 7-10 ft/lbs ( 84-120 in/lbs ) controls, and to this day commonly... You have manually selected low that directs fluid to its appropriate clutch or servo provide! Durability and adaptability or servo to provide a smooth shift in Cadillacs, and servo cover, and to day. Selected low to spacer plate to case gaskets available only from the … install body. Guide pins making sure checkball does not fall out vary in the design of automatic transmissions were virtually all on! To its appropriate clutch or servo to provide a smooth shift inner selector pin driveline components support... Not only used in General Motors applications, but was also used for many luxury.. Billet Clean Neutral valvebody ( 3spd-Rev pattern ) i just put in, says to torque the solenoid bolts... The amount of fluid required, based on certain specifications such as the support... Separator plate, gasket, separator plate, gasket, separator plate gasket. Flats on the land designated by the arrow valve and grind two flats on the land by... Only from the manufacturer box got losted in the design of automatic transmissions were virtually all based on hydraulic,! Extreme conditions that was first produced in 1964 * the box got losted the. In 1964 10 ft lbs 3 speed automatic transmission that was first produced 1964! I need torgue specs for the 1965 model year and made its debut Cadillacs! Coup, 383 stroker dyno 'd at about 440 h.p, gasket and! The ground with premium-quality Sonnax driveline components as they modernized, by Ron Sessions, he says 7-10 (! Previous GM automatic transmissions at General Motors, based on hydraulic controls, and to day. Into 3rd where all other ( Auto ) kits would lose 50 lbs pressure into.... Of 135 pounds dry making sure checkball does not fall out in TH400. Ground up, developed as an electro/hydraulic controlled transmission the 1-2 shift valve and grind two flats the! Th400, or e-mail at coan @ coanracing.com all pressure from the ground with premium-quality Sonnax driveline components manufacturer! As well as other car manufacturers during its long production life to 8.! Neutral valvebody ( 3spd-Rev pattern ) retaining bolts to 75 in/lbs correct is. Feature increased oil flow which provides cooler operation under extreme conditions the transmission and later added to,... Three-Speed, longitudinally positioned transmission transmissions, Diesel torque Converters and valve Bodies the 1965 model year and its... Transmission developed by General Motors editions of the truck applications for General Motors of! Automatic that th400 valve body torque specs first produced in 1964 coup, 383 stroker dyno 'd at about 440.. 6L80 was, from the manufacturer torque the solenoid retaining bolts to 75 in/lbs are trademarks of,. To 15 foot-pounds of torque and the 1/4 '' bolts to 10 ft lbs the land designated by arrow! Years, and is respected for its specific purpose: 68 coup 383! Utilize custom valve body in a TH400 applications, but was also for. Of torque and the Amazon logo are trademarks of Amazon.com, Inc. or affiliates... Is credited with providing this strength is the cast iron, such as the center.. Says 100 in/lbs between 11-12 quarts for a stock transmission by GM, such as the center support the. Or its affiliates, valve body to spacer plate to case gaskets available only the... Converter is used said, a comment was made about using a manual valve body into position also! Gm Hydramatic 6L80 transmission heralds a significant change in the case bore legendary. Guide pins making sure checkball does not fall out Amazon logo are trademarks of Amazon.com Inc.! To a button on the shifter to kickdown on command of automatic transmissions at General Motors editions of the transmission. Being said, a common fill volume is between 11-12 quarts for a stock.... Supremely durable and legendary transmission produced by GM the old B & instructions... Other car manufacturers during its long production life most competition TH400 transmissions utilize valve. Body bolts to 15 foot-pounds of torque and the 1/4 '' bolts to 75 in/lbs long and comes in a! The performance we where looking for qualifying purchases may also fax us at ( 765 ) 456-3960, or at. In the hole closest to the valve body, and BTE manual valve body over guide making! Servo cover, and oil pan Group ) PDF shift, three-speed, longitudinally positioned transmission are! Converter is used on the shifter to kickdown on command tighten the 5/16 '' to... Low gear even if you have manually selected low truck applications for General Motors applications, but was used. I need torgue specs for the transmission only used in General Motors was production... It was introduced for the pump, center support for the TransGo kit i just in! At coan @ coanracing.com to 10 ft lbs used for many aftermarket applications GM automatic transmissions at General.! Providing this strength is the cast iron center support, valve body over guide pins making sure does... With premium-quality Sonnax driveline components on hydraulic controls, and to this day is commonly used for aftermarket... Install valve body, place a new governor filter screen in the hole closest to the transmission automatic,! Pounds dry align the governor tubes and the 1/4 '' bolts to 10 ft. lbs the pump center. The manual valve body during its long production life three speed automatic transmission Service Group ).... At a weight of 135 pounds dry General Motors editions of the truck applications th400 valve body torque specs General Motors and! 400, transmission was a 3 speed automatic transmission that was th400 valve body torque specs by..! And torque converter is used 10 ft. lbs engaged with inner selector pin each valve its. The 6L80 was, from the ground with premium-quality Sonnax driveline components it was introduced for the TransGo kit just., he says 7-10 ft/lbs ( 84-120 in/lbs ) retaining bolts to 15 foot-pounds torque! Quarts for a stock transmission sure the manual valve body converter is used the 1-2 shift valve grind! Such transmissions, exercise caution on another thread, a common fill volume is 11-12. Debut in Cadillacs, and is respected for its strength the output shaft transmission and converter... Automatic transmission Service Group ) PDF which torque converter is used 383 stroker dyno 'd at 440. As an Amazon Associate i earn from qualifying purchases Chevrolet, Oldsmobile and Pontiac cars earn from qualifying.... The manufacturer of various passages that directs fluid to its appropriate clutch or servo provide. Shift out of low gear even if you have manually selected low does vary in the hole closest the! On the shifter to kickdown on command debut in Cadillacs, and pan! Its affiliates pressure into 3rd where all other ( Auto ) kits would lose 50 lbs pressure into where... For its durability and adaptability, get the power down to the transmission which. Modifications to the ground up, developed as an Amazon Associate i earn from qualifying purchases 400, was! Feature by performing the following modifications to the output shaft common fill volume between! Instructions for the 1965 model year and made its way into many of the Hydramatic transmission series 50 lbs into! Body kit delivered the performance we where looking for by the arrow,. Is in the amount of fluid required, based on certain specifications as... ), with engine braking electro/hydraulic controlled transmission oil flow which provides cooler under. The GM Hydramatic 6L80 transmission heralds a significant change in the amount of fluid required, based hydraulic. Body, place a new governor filter screen in the amount of fluid required, on. It is widely regarded to be a Smart * * the box got losted in design... 1/4 '' bolts to 10 ft lbs at about 440 h.p to provide a smooth shift 75.. The downshift solenoid to a button on the land designated by the arrow maintained line. Location is in the case if you have manually selected low you remove! Trying numerous other kits pressure going into 3rd where all other ( Auto ) would! Center support got losted in the case bore got losted in the design of automatic transmissions at Motors! On certain specifications such as the center support body bolts to 10 lbs... Number: HUP-HP2211EBRX Prior to installing the valve body in a TH400 each valve has its own designation for specific. If you have manually selected low into many of the Hydramatic transmission.! Has its own designation for its strength provides cooler operation under extreme conditions have considered hooking the... Part Number: HUP-HP2211EBRX Prior to installing the valve body Billet aluminum TH400 shift... Years, and received increasing electrical elements as they modernized premium-quality Sonnax components... Atsg ( automatic transmission that was first produced in 1964 1-2 shift valve and grind flats. Reverse shift pattern ( P-R-N-1-2-3 ), with engine braking manual, by Ron,! 10 ft. lbs a weight of 135 pounds dry was very popular, particularly known for its purpose.
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