How to rebuild your th2004r, so youll never need one again. Gm 2004r, 2004r, th2004r transmission master rebuild kit. Bowler performance transmissions performance transmissions. It is a the lesser known of the two overdrive transmissions made by gm in 1980s, and is still considered part of the turbohydramatic series.
This is the most complete source of gm2004r transmission information available anywhere. Gm automatic transmission rebuild manuals the motor bookstore. General motors automatic transmission rebuild manuals by atsg. Full manual, reverse shift pattern with ability to lock the torque converter clutch in 2nd, 3rd and 4th gears. Gm transmission parts turbo 2004r global transmission parts. Teaching an old dog new tricksmuscling up the 2004r. Eliminate hours of calibration time trying to convert generic 2004r valve body and governor combinations to high performance specifications. The official art carr 2004r transmission california performance transmission stocks high performance 2004r and 700r4 automatic transmissions, torque converters, shifters and racing parts. With this manual, some hand tool knowledge and common sense you can rebuild, repair and modify the unit with great confidence and precision. The performance gains from the lower first gear and overdrive are making it a great replacement for the 2speed powerglide and 3speed th350 and th400.
Here is something i wrote for rebuilding the 200r4 for your reading enjoyment. If youve ever wanted to know what lies inside the confines of the gm2004r transmission case,this manual is for you. Atsg gm thm 2004r techtran transmission rebuild manual 1980. How to build a high performance th350th400 transmission 67 pontiac gto ep16. Art carr 2004r performance transmission and torque converters. The 2004r is an excellent choice for a street or streetstrip overdrive transmission if you do the proper upgrades to keep it alive. Our only focus is on building and supplying the best transmission for your project. The performance gains from the lower first gear and overdrive are making it a great replacement for the 2speed powerglide and 3speed. You can view our catalog online or request a printed copy. The gm thm 2004r transmission rebuild repair manual on mini cd continues atsgs determination to combine its technical information resources with the latest and most popular technology. Is this really something that a newbie to automatic transmissions can take on. The official art carr 2004r transmission california performance transmission stocks high performance 2004r and 700r4 automatic transmissions, torque. One thing i must mention is that you need a shop manual andor someone who is very familiar with these.
Rebuild kits free delivery possible on eligible purchases. Transmission repair manuals diy transmission rebuilds. The 2004r was a continuation of the turbo hydramatic line of gm transmissions, specifically being the successor of the th200, a lightduty th350 designed to improve fuel efficiency in the face of the oil embargo of 1973. Gm thm 2004r transmission rebuild repair manual on mini cd. Jul 01, 2004 the 200series transmission, which came into being in the late 1970s, evolved from the limpwristed 200 and 200c 3speeds into a 4speed auto with overdrive that sat behind the most powerful. Atsg gm thm 2004r techtran transmission rebuild manual 1980 1989. Automatic transmission rebuild kits 2004r transmission. If youre considering working on this highly sensitive component, having accurate and reliable transmission repair manuals at your disposal can help ensure you get the job done right. At the same time, it must be said that due to the increased sizes the repair of automatic transmission of this modification of automatic gearboxes is more difficult. The original internal component design and hydraulic calibration of the gm 2004r transmission limit its reli. Internally, the components which were prone to failure in the thm200 were improved, and this transmission was used with highpower applications primarily the buick grand national and the 1982 chevy corvette. Parts rebuild kits shift kits sprags technical repair manuals. Atsg is a technical support service specifically for the automatic transmission industry.
Transmission components fits 19811991 2004r transmissions. Jan 09, 2018 it is by no means a perfect transmission and the 700r4 will typically outdo it, and even if you pick up a newer stock version from the wrecking yard at a bargain you will still have some ways to go to making it raceworthy, but a little magic and some elbow grease will turn the 2004r into your personal holy grail of power and fuel efficiency. Instructions for rebuild transmission download manuals. This is going behind a gn engine in a datsun 240z that will weigh about 2500 lbs. Thm 2004r atsg automatic transmission service group. If you are below the 350hptq level, a near stock 2004r with a grand national servo, upgraded 2nd band, hardened sun shell and pump stator shaft, valve body. Common defects, ranging from problems with deterioration of the automatic gearbox for example, problems with solenoids and. Teaching an old dog new tricksmuscling up the 2004r o ver the last few years theres been a tremendous amount of interest in the gm 2004r transmission for high performance street vehicles. Read the tech article on a th2004r transmission swap tech article, brought to you by the experts at chevy high performance magazine. Buy atsg 700r4 update handbook gm transmission repair manual 700r4 transmission rebuild kit 700r4 torque converter 700r4 shift best repair book available. The blue cover 2004r atsg overhaul manual covers procedures and technical service information for transmission inspection, repair, disassembly, assembly, diagnosis, and troubleshooting. Bbodies, cbodies, gbodies, dbodies, pontiac firebird with 301cid engine, nonturbo, pontiac firebird trans am indy pace car with buick v6 and a turbocharger. Unfollow 200r4 transmissions to stop getting updates on your ebay feed.
The 2004r is very similar to the 700r4, although there are some differences between the two of them. Thm 2004r atsg automatic transmission service group pdf free online. Mar 14, 2018 south main auto repair llc 812,540 views. Sonnax transmission parts for gm 2004r applications. This 200r4 transmission service manual pdf kindle is delivered in simple words. Sonnax is an industry leader in the cutting edge design, manufacture and distribution of the highest quality products to the automotive aftermarket, commercial vehicle industries, and industrial sectors utilizing drivetrain technology. This oem high output buick grand national valve body and governor assembly will provide wide open throttle upshifts between 5000 and 5400 rpm. The th turbohydramatic 700r4 was developed for use after 1982 in gmc and chevrolet cars and trucks. In this case, thats taking their wellstructured book on general motorss reliable 2004r and the reliable procedures therein and giving everyone the. We offer a technical hotline, books, software, bulletins, wiring diagrams, seminars, and technical courses to the automatic transmission professional. This is a perfect choice, if you have a nonchevy motor.
Atsg gm thm 2004r techtran transmission rebuild manual 1980 1989 automatic transmission service group on. Master rebuild box kit for the 2004r automatic transmission. Bowler performance transmissions is the top builder of custom automatic transmissions and a tremec elite distributor of 5 and 6 speed solutions. This booklet contains the general description, diagnosis charts, and the procedures necessary to overhaul, repair or service the general motors thm 2004r four speed automatic overdrive transmission. Full manual, reverse shift pattern with ability to lock the torque converter clutch in 2nd, 3rd and. Transmissions, racing transmissions, c4 transmissions, c6 transmissions, aod transmissions, aode transmissions, 5r55 transmissions, valve bodies, bellhousings, torque. In 1980, for the 1981 model year, the 2004r sometimes called 200r4 was introduced for use in gm vehicles. Painless performance will repair or replace defective. This repair manual contains the general description, diagnosis charts, and the procedures necessary to overhaul, repair or service the general motors thm 2004r four speed automatic overdrive transmission. I have just purchased a 2004r rebuild video to see whats involved. A transmission rebuild is not for the faint of heart. If you have any problems with repair automatic transmission and you need information about rebuild, so in this section of our site you will find a guide for automatic transmission repair, schemes and download manuals. Apr 04, 2018 1981 pontiac grand prix 400hp olds 350. One of the best books of the year is a book titled 200r4 transmission service manual pdf download free that gives the reader a good inspiration.
It means that you can repair the automatic gearbox gm 700r4. This is the most complete source of gm2004r transmission information. In the quest to improve both the performance and fuel economy of his 1932 ford, a friend reg and his son jay have asked me to help them. With this manual, some hand tool knowledge and common sense you can rebuild. This information will assist you in training your technicians to provide your customers with the best possible transmission service that is available. Within our impressive inventory of diy automotive literature, youll find manual transmission repair. You can expect a 30 to 40% increase in gas mileage over a 3speed on the road. No one in the york area knows your vehicles transmission and transmission control systems better than our certified master technicians, we repair or rebuild your transmission right at our center, no ordering transmissions from out of state companies, therefore our master transmission specialists know exactly all of the internal functions mechanical, hydraulic, electrical. The 2004r transmission will fit all gm motors that have full size bell housings. Gm thm 2004r transmission rebuild manual on cd 19801999. The 2004r is a transmission that was manufactured by general motors for the 1981 model year.
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