Atsg chevy gm th400 turbo 400 transmission rebuild instruction. Tools needed to rebuild th400 automatic transmission youtube. Th400 turbo 400 performance racing transmissions fti. How to troubleshoot a turbohydramatic 400 transmission. Ati has t400 street rod and drag race transmssions for vehicles making 600 horsepower to 3,000 horsepower.
While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. This rebuild kit includes all of the friction plates, steel plates, sealing rings, metal clad seals, gaskets, orings, rubber piston seals, front band, filter, modulator, pump bushing, and extension house bushing. Turbo 400 th400 transmission 4x4 performance super duty. This repair manual contains general description and overhaul procedures necessary to repair, overhaul or service the turbo hydramatic 400 transmission, and is found in both passenger cars and trucks. The turbohydramatic 400 th400 automatic transmission can be found behind large, powerful engines on chevrolet and gm cars and trucks from the factory, as well as jeep, cadillac, oldsmobile and many others. The accomplished builder can assemble a virtually indestructible 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, manualautomatic valve body or. Turbo hydramatic turbine 400 automatic transmission. Gm turbo 400 transmission rebuild kits get the exact level kit.
Unfollow chevy turbo 400 transmission to stop getting updates on your ebay feed. This is a very well illustrated manual with valuable information on the tolerances that the th400, requires. High quality gm th4003l80 automatic transmission soft parts, hard parts, and high quality rebuild kits. Enthusiasts have embraced the reliable gm turbo hydramatic 400 threespeed automatics for years, and the popularity of these transmissions is not slowing down. Superbeefing the th 400 by mike niebuhr here has never been an automatic transmission more universal that t he turbohydramatic 400 from general motors it has been cast in over a dozen different bellhousing designs to propel an incredible diversity of vehicles, from the complete general motors l i ne to rm general hummers. Thm 400 transmission, and is found in both passenger cars and trucks. Its odd texasshaped oil pan distinguishes it from the turbo 350. Jun 17, 20 turbo 400 blueprint rebuild part 1 of 2 duration. At some point, even the best transmissions need to be rebuilt.
The th400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. Standard turbo rebuild includes balance we use high standard oem replacement parts in all of our turbocharger rebuilds to ensure you get the best possible quality. This booklet contains general description and overhaul procedures necessary to repair, overhaul or service the thm 400 transmission, and is found in both passenger cars and trucks. How to troubleshoot, remove, rebuild and install howto book is a top notch diy resource for the turbo hydramatic family of transmissions. Automatic transmission shift kits th400 transmission type. When it comes to fullsize 4x4 trucks and suvs, the general motors turbohydramatic 400 th400 automatic transmission is perhaps one of the most. The turbo 400 can also be rebuilt at home, but there isnt time or space to cover all the specifics here. Those who choose to rebuild a th 400 themselves should acquire a quality transmission manual such as a motor automatic transmission manual or motorbooks internationals how to work with and modify the th 400 transmission by ron sessions before tackling the project. When it is time for a gm turbo 400 rebuild kit, whether for a muscle car restoration, high performance street vehicle, street rod, hot rod, or all out race turbo hydramatic 400, we have the transmission rebuild kit you need for the job.
We have many th400 transmission rebuild kits to choose from so you get exactly the right parts in your turbo 400 rebuild. You will feel empowered to tackle any tranny rebuild job with this book at your side. How to rebuild modify gm turbo 400 transmissions by cliff rugglesover the last 50 years literally millions of gm cars and trucks have been built with turbo 400 automatic transmissions. Mega monster transmissions engineered to dominate, the turbo 400 mega monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tirespinning shifts race after race. Install the manual shaft seal into the case with a driver until it is fully seated. Those who choose to rebuild a th400 themselves should acquire a quality transmission manual such as a motor automatic transmission manual or motorbooks internationals how to work with and modify the th400 transmission by ron sessions before tackling the project. What i know is it has a tci full manual reverse vb with brake create topic. We have many th400 transmission rebuild kits to choose from so you get exactly the. For the 1965 model year, oldsmobiles, chevrolets and pontiacs were equipped with the turbo 400. Find great deals on ebay for chevy turbo 400 transmission and th400 transmission.
Hydramatic, turbine, 400, automatic, rebuild, overhaul, workshop manual, pdf, instant download, fully bookmarked, free manuals, sales literature, owners manuals. Due to popular demand we are offering a select few rebuild kits for the diy rebuilder. I was able to download for free a manual by atsg that provided all info. Engineered to dominate, the turbo 400 ss mega monster transmission is tough enough to withstand the rigors of even the toughest street machines delivering tirespinning shifts race after race. Th400 manual fwd shift valve body instructions made simple from fti performance. Ni governor bore repair sleeve requires special tool 6498 ar th350. Sonnex makes extremely good performance products as does coan racing. Details about atsg chevy gm th400 turbo 400 transmission rebuild instruction service manual. Turbo 400 on sale with free shipping, now offering th400, th400, monster 400 transmission, heavy duty th400 and heavy duty turbo 400 with new lower prices. But there is something about it that keeps away even the most skilled automotive technicians. One 1 turbo 400 full manual valve body one 1 separator plate and gaskets one 1 pressure regulator spring one 1 2nd gear release spring one 1 vacuum modulator plug and oring two 2 14 check balls step 1.
Gm turbo 400 transmission rebuild kits get the exact level. Our kits contain the same high quality parts that we use to rebuild our units. Gm turbo hydramatic 350 repair, service manual repair, install. Sk02 kit reverse cushion, corrects harsh reverse 6498. Over the last 50 years, literally millions of gm cars and trucks have been built with turbo 400 automatic transmissions. Turbo 400 on sale with free shipping, now offering th400, th400, monster 400 transmission, super duty th400 and racing turbo 400 with new lower prices. Bellhousing, case and valve body options available. Dont be fooled by others who use parts from unknown sources and charge next to nothing to rebuild. The turbo 400 is rated conservatively at peak torque of 450 lbft. There is an army technical manual posted here with specific step by step instructions for basic rebuild. How to work with and modify the turbo hydramatic 400.
While the unit is indeed one of the stoutest of its kind, trouble can. Gm turbo hydramatic 350 repair, service manual repair. The title of this book is how to work with and modify the turbo hydramatic 400 transmission motorbooks workshop and it was written by ron sessions. The original article by jakeshoe can be seen in the hotrodders forum thread th400 build tips with photos. Now available with the award winning ati t400 sfi certified supercase. And again the monster transmission people have been outstanding with helping me through the rebuild. Turbo 400 th400 transmission heavy duty performance 4. There is an army technical manual posted here with specific step by. This was just like or maybe even better than observing my auto tech college. The thm 400 transmission was first introduced in 1964 and was used through the 1990 model year with some engineering changes that occured during that time. Parts inspection, upgrade if needed to the 34 element sprag, dual feed the clutches, manual control of the 12 shift. Th400 no 2nd gear discussion in nonturbo tech questions started by 81shavedtrk, jul 4, 2011. 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. Follow along as we dig up a th400 transmission from the junkyard and rebuild it up with help from performance automatic super chevy magazine.
Rebuilding my craigslist score that wasnt a fresh rebuild as advertised. This is hands down the best th400 rebuild video on youtube. Cartech sa186 how to rebuildmodify turbo 400 transmissions, book. Remove oil pump, manual shaft and speedometer gear housing. While these transmissions are respected for their durability and versatility there always comes a point where the old transmission shows signs of wear. With his proven style, ruggles walks through the stepbystep rebuild and performance upgrade procedures in a series of fullcolor photos. Btes aluminum direct drum, vasco input shaft, and valve bodies have been used by transmission builders around the world to improve the strength of their turbo 400 transmissions. How to rebuild or modify chevy turbo 400 th400 transmission. With these manuals and dvds from atsg, haynes, master shift and others, youll be able to break down, modify and overhaul your gm transmission. Tools and equipment completely and correctly rebuilding an automatic transmission is not beyond the capabilities of the average automotive enthusiast. Leading provider of high performance automatic transmissions, torque converters and drivetrain components for race, streetstrip, hot rod, street rod and towing. General motors introduced the th400 transmission in 1964. The quarterstick i have is for forward body glide and reverse body th350 and 400.
Atsg chevy gm th400 turbo 400 transmission rebuild. It is ideal for vehicles powered by engines producing up to 750 horsepower using pump gasoline. How to rebuild and modify gm turbo 400 transmissions. This book is packed with over 256 pages and more than 700 photos and illustrations. Thm 400 atsg automatic transmission service group pdf free online. How to rebuild or modify chevy turbo 400 th400 transmission manual book new. For a comprehensive guide on this entire subject you can visit this link. Respected automotive technical author cliff ruggles takes. I highly suggest you add this if you are a new builder or do not have a manual. A monster in a box rebuild kit will have all the parts needed when rebuilding your th400 automatic transmission. Jun 07, 2010 follow along as we dig up a th400 transmission from the junkyard and rebuild it up with help from performance automatic super chevy magazine.
This high energy th400 master rebuild kit with alto friction clutches and steel plates is a complete transmission rebuild kit. 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, manualautomatic valve body or forward pattern full manual upon request. Turbo 400 transmission kit th400 performance rebuild kits. First time builders will likely need a tech manual. Gm turbo 400 transmission rebuild kits get the exact. Remove the retaining pin for the manual shaft, and slide the manual shaft out of the case. Btes aluminum direct drum, vasco input shaft, and valve bodies have been used by transmission builders around the world. Before you tear into the transmission, we suggest you first study the troubleshootinoverhaul manual, add a bottle of our automatic transmission. The turbo 400 threespeed automatic was launched in 1964 for buicks and cadillacs. Time commitments may vary as this is a custom built transmission. We have included the major changes and updates in the appropriate sections of this booklet. Man01 click here to view special tools for this transmission. Turbo 400 th400 transmission 4x4 performance super duty 4wd. 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.
Automatic transmission shift kits th400 transmission. Gm chevrolet th400 1964on rebuild atsg tech manual. Turbo 400 th400 heavy duty performance transmission 2wd. Turbo 400 th400 transmission heavy duty performance 4 tail.