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. This is an old draft of some th400 oil pump technical information. Transgo shift kit install th400 turbo 400 hydramatic youtube. With these manuals and dvds from atsg, haynes, master shift and others, youll be able to break down, modify and overhaul your gm transmission. Turbo 400 th400 red eagle deluxe performance transmission. Thm 400 transmission, and is found in both passenger cars and trucks. I was able to download for free a manual by atsg that. Trying a different brand of shift kit in a turbo 400 trans rather than what i normally use. Jul 26, 2006 once again this post is meant to help those who wish to rebuild their own transmission, however it is not meant to replace a quality rebuild manual.
Gm thm 700r4 4l60 transmission rebuild manual 19871993. 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. Automatic transmissions th400 transmission type free. Raybestos friction module has all the friction plates required for your build, steel plate kit has all the steel plates required for your build, bushing kit, flat dacron filter. Far as were concerned, gm thm 400 3l80 transmission rebuild repair manual and all the other transmission manuals from automatic transmission service group go to the head of the class. 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 work with and modify the turbo hydramatic 400 transmission motorbooks workshop. Superbeefing the th 400 by mike niebuhr here has never been an automatic transmission more universal that t he turbo hydramatic 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. Workshop manual for the general motors turbo 400 gearbox. Turbo 400 transmission instructions transmission installation. How to work with and modify the turbo hydramatic 400. Gm thm 400 3l80 transmission rebuild manual 19691990. This transmission service manual is the most comprehensive workshop manual available and is fully bookmarked for easy navigation. Turbo 400 transmission hydramatic turbine 400 service manual download here.
Gm turbo 400 transmission rebuild kits get the exact. Tools and equipment completely and correctly rebuilding an automatic transmission is not beyond the capabilities of the average automotive enthusiast. Install special solenoid with aluminum block that is supplied with. The general motors turbo hydramatic 400 is a 3 speed automatic transmission with a torque convertor. 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. Sk02 kit reverse cushion, corrects harsh reverse 6498 1 th400. 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. Gm thm 350 transmission rebuild manual on cd 19691985. All our overhaul kits were manufactured by precision international. A fully textsearchable pdf version this manual is designed to provide detailed information necessary to service and. The original article by jakeshoe can be seen in the hotrodders forum thread th400 build tips with photos. Th400 3l80 turbo 400 performance transmission master kit stage 4. Tools needed to rebuild th400 automatic transmission youtube. The fundamentals automatic transmissions have always fascinated me.
At some point, even the best transmissions need to be rebuilt. It will take readers through the complex rebuild procedure of gm. I can still remember the very first unit that i took apart more than 30 years ago. While the unit is indeed one of the stoutest of its kind, trouble can still occur. Installation instructions for the turbo 400 external transbrake install guide pins as indicated in figure 6.
The turbo hydramatic 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. Install the manual shaft seal into the case with a driver until it is fully seated. Feb 01, 2010 when it comes to fullsize 4x4 trucks and suvs, the general motors turbo hydramatic 400 th400 automatic transmission is perhaps one of the most coveted automatic transmissions in existence. Enthusiasts have embraced the gm turbo 400 automatics for years, and the popularity of these transmissions is not slowing down.
Man01 click here to view special tools for this transmission. 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. This is an old draft of some th400 oil pump technical. Aug 10, 2017 trying a different brand of shift kit in a turbo 400 trans rather than what i normally use. But there is something about it that keeps away even the. Turbo 400 performance racing transmission parts by fti performance. Thm 400 atsg automatic transmission service group pdf free online. 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. The chart below shows the items that come in each level of our transmission rebuild kits. How to work with and modify the turbo hydramatic 400 transmission motorbooks workshop sessions, ron on. How to rebuild and modify gm turbo 400 transmissions is the firstever allcolor rebuild and modify book on gm turbo 400 transmissions. But there is something about it that keeps away even the most skilled automotive technicians.
Gm thm 2004r transmission rebuild manual on cd 19801999. Enthusiasts have embraced the reliable gm turbo hydramatic 400 threespeed automatics for years, and the popularity of these transmissions is not slowing down. Ni governor bore repair sleeve requires special tool 6498 ar th350. It can put out at least 400 footpounds of torque at market specs, but enthusiasts have been known to modify it and increase performance further. In 1987 the turbo 400 was renamed the 3l80 and an hd version for light passenger trucks was named the 3l80hd. Hydramatic, turbine, 400, automatic, rebuild, overhaul, workshop manual, pdf, instant download, fully bookmarked, free manuals, sales literature, owners manuals. Th400 turbo 400 gm transmission rebuild kit 1965 1990. Install either valve body gasket to the case surface followed by the transbrake spacer plate and then the other gasket to help gaskets stick, apply small amounts of grease. Would benefit from a table in back of book with all tolerances and specs as well as on applicable page. Installation instructions for the turbo400 external transbrake install guide pins as indicated in figure 6. Diagrams supplied by general motors and atsg have been noted and are the property of the credited entity. Ati product installation instructions and technical guides for ati super dampers, drag race transmissions, torque converters, transmission adapter kits and more.
Th400 3l80 turbo 400 heavy duty transmission less steel kit stage 4. While targeted for the professional, weve found the material to be accessible, ensuring that the seasoned mechanic can get the answers to their questions. We recommend replacing center support bushing any time you rebuild a turbo 400 transmission. Jun 12, 2018 starting the assembly process on the th400.
We offer a full range of kit levels that include all necessary soft parts to complete a transmission rebuild no matter how extensive the jobs parts needs are. Transmission case and external parts transmission case and external parts legend. T1001 350 700r4 4l60e transmission manual lever seal tool. The th400 has recently become one of the best selling transmissions for high horsepower racing setups thanks to many new product designs. Turbo hydramatic turbine 400 automatic transmission. High quality gm th4003l80 automatic transmission soft parts, hard parts, and high quality rebuild kits.
Gm turbo 400 transmission rebuild kits get the exact level. Th400 full manual reverse pattern valvebody f4008a. Th400 3l80 turbo 400 performance transmission master kit. We have included the major changes and updates in the appropriate sections of this booklet. General motors introduced the th400 transmission in 1964. This kit has available all the parts needed to make your transmission a true monster. Follow along as we dig up a th400 transmission from the junkyard and rebuild it up with help from performance automatic super chevy magazine. Th400 transmission rebuilding tools automatic transmission rebuilding tools sort by.
General motors gm turbo 400 automatic transmission. I recommend using an atsg rebuild manual, hp books how to rebuild and modify the th400, and this post for those new to transmissions. Fti offers a wide variety of th400 parts including racing transmisison pumps, valve bodies, gear sets and deep transmission pans. Turbo 400 full manual valve body bte 401100 bte racing. It comes as a performance mega package and also has a ss variant for those needing a higher horsepower and torque rating. How to troubleshoot a turbohydramatic 400 transmission it.
Installation instructions th400 internal transbrake. First time builders will likely need a tech manual. Remove oil pump, manual shaft and speedometer gear housing. Our th400 transmission overhaul rebuild kits include all the basic gaskets, soft seals, teflon seals, metal clas seals and orings required to rebuild your gm turbo 400 transmission. I need download pdf repair manual for 2004 ram pickup.
With his proven style, ruggles walks through the stepbystep rebuild and performance upgrade procedures in a series of fullcolor photos. Details about th400 3l80 turbo 400 performance transmission master kit stage 4. When it comes to fullsize 4x4 trucks and suvs, the general motors turbohydramatic 400 th400 automatic transmission is perhaps one of the most coveted automatic transmissions in existence. For a comprehensive guide on this entire subject you can visit this link. Diy th400 rebuild yes you can assembly begins youtube. Component application chart oil pressure value chart oil pump to case passages case to oil pump passages case passages case checkball locations valve body passages separator plate passages separator plate checkball locations. Thm 400 atsg automatic transmission service group pdf. A monster in a box rebuild kit will have all the parts needed when rebuilding your th400 automatic transmission. Sonnex makes extremely good performance products as does coan racing. View and download flymo turbo 400 instruction manual online. 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. How to troubleshoot a turbohydramatic 400 transmission. Th400 turbo 400 transmission master rebuild kit 19651990. Th400m40 3l80 th375 th475 3l80hd bushings 030h bushing kit complete 1 6598 34030 k34903.
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