With these manuals and dvds from atsg, haynes, master shift and others, youll be able to break down, modify and overhaul your gm transmission. The general motors thm2004r automatic overdrive transmission was introduced in the early 1980s as the overdrive version of the earlier thm200. Home products gm transmissions 2004r 2004r rebuild kits. The overdrive will give a 20 to 30% increase in gas mileage on the road. Gm thm 4l60e atsg update handbook manual repair rebuild transmission guide book. If you going to do a rebuilt on your own, this book is a must. Automatic transmission kit racing transmission rebuild kits. Compare all of these features with any other performance 200 4r transmission on the market. Gm automatic overdrive transmissions at first, the idea of adding an overdrive feature was novel to hot rodders and enthusiasts, but it is now another piece of musthave equipment for the complete car. Gm 2004r, 2004r, th2004r transmission master rebuild kit. The thm200r4 is one of the last of gms venerable turbo hydramatic automatic transmission line, which has been in use since the 1960s. It gives you the necessary inputknowledge to do the job properly. Details about gm 200c atsg transmission rebuild manual thm 200c service overhaul book th200. Oct, 2017 there is a 200 4r transmission overdrive, and a 200 transmission 3 speed, and a 200c transmission 3 speed with lockup converter the th or thm names before them were used in some places, and left off in others, they dont tell you anything, really.
The 200 4r transmission will fit all gm motors that have full size bell housings. This level 3 2004r transmission comes with our hardened input drum and shaft. How to rebuild your th2004r, so youll never need one again. Owners can obtain key information about the transmissions workings in their cars by. Gms early automatic transmissions were replaced by variants of the turbohydramatic by the 1970s. Atsg gm thm 200 4r techtran transmission rebuild manual 1980 1989. 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. This manual is a companion manual to the 4t65e blue assembly and disassembly manual and is most helpful during a rebuild. Ive been researching this tranny for sometime now, and have a spare 2004r to rebuild before i touch my czf unit. The thm200r4 is one of the last of gms venerable turbo hydramatic automatic transmission line, which has been in. How to identify a 2004r transmission it still runs. Technical thm200r4 and th2004r transmissions the h. General motors automatic transmission overhaul haynes.
The 200r4 is the model number of a transmission introduced by general motors gm in 1982. Compare all of these features with any other performance 2004r transmission on the market. Rochester quadrajet throttle arm modification for the 2004r swap. Gm 2004r transmissions 2004r transmissions gearstar. So if the tv cable is not adjusted properly, it can cause numerous transmission problems. This is a perfect choice, if you have a nonchevy motor. The 2004r is an excellent choice for a street or streetstrip overdrive transmission if you do the proper upgrades to keep it alive.
Im in the process of getting my 2004r transmission rebuilt and had a question that i was hoping one of you could help me with. Ton of information how to make your 2004r survive and handle power. You can expect a 30 to 40% increase in gas mileage over a. I install a new wave plate from gm see part number listing. If you are below the 350hptq level, a near stock 200 4r with a grand national servo, upgraded 2nd band, hardened sun shell and pump stator shaft, valve body.
Stock ones are cast and if the havent failed consider yourself fortunate. Read the tech article on a th200 4r transmission swap tech article, brought to you by the experts at chevy high performance magazine. Shown here is the end of the shaft that fits into the overrun drum at the rear of the transmission. Read the tech article on a th2004r transmission swap tech article, brought to you by the experts at chevy high performance magazine.
Atsg gm thm 2004r techtran transmission rebuild manual 1980 1989. The tv cable on the 700r4 and 200 4r transmissions controls line pressure, shift points, shift feel, part throttle downshifts, and detent full throttle downshifts. The highest quality 200 200c 2004r automatic transmission repair tools. A slow accelerating dyno will not show the differences. The 200 4r was introduced in 1980 to be used in the chevy corvette and buick grand national, until it was phased out in 1990. This is a perfect choice, if you have a non chevy motor.
Got it last week and it seems pretty well laidout and includes upgrades to the transmission at each step of disassembly and reassembly and has a pretty decent set of technical explanations for things. This comprehensive kit has been designed to provide you with all the necessary and practical, serviceable soft parts needed when building a 2004r transmission for use with engines producing up to 800 foot pounds of torque. Atsg gm thm 200 4r techtran transmission rebuild manual 1980 1989 automatic transmission service group on. Atsg gm thm 2004r techtran transmission rebuild manual 1980 1989 automatic transmission service group on. Gm 200c atsg transmission rebuild manual thm 200c service. Details about 2004r 2004r master rebuild kit automatic transmission overhaul service 200r4 gm. Internally, the components which were prone to failure in the thm200 were improved, and this transmission was used with highpower applications primarily. Thm 200 4r atsg automatic transmission service group. How to rebuild your th200 4r, so youll never need one again. In 1980, for the 1981 model year, the 2004r sometimes called 200r4 was introduced for use in gm vehicles. Many aftermarket transmission rebuilders have built the 2004r even stronger to stand up to even more torque. Automatic transmission kit racing transmission rebuild. Enter the quantity for each item and then select add to cart.
When youre looking for the place with the best gm transmission parts global transmission parts has them. Nov 11, 2008 im in the process of getting my 200 4r transmission rebuilt and had a question that i was hoping one of you could help me with. This tech tip is from the full book, gm automatic overdrive transmission builders and swappers guide. Thm 2004r atsg automatic transmission service group. Jul 01, 2004 how to rebuild your th200 4r, so youll never need one again.
Gm 200c atsg transmission rebuild manual thm 200c service overhaul book th200 ebay. Rochester quadrajet throttle arm modification for the 200 4r swap. The tv cable on the 700r4 and 2004r transmissions controls line pressure, shift points, shift feel, part throttle downshifts, and detent full throttle downshifts. Ok, ive got a 200 4r transmission that wont go into gear. We keep everything in stock for the popular 4l60e 700r4 4l80e turbo 350 th400 transmissions and more. But it looks like the 200 would slip right in where the 400 is, same mounting dimensions, maybe a different spline. Check out the deal on 2004r atsg rebuild manual 2004r automatic transmission service overhaul book 1981up cdrom at oregon performance transmission. How to install a 200 4r external monster transmission lockup kit duration. On mini cd gm thm 2004r transmission found in many 1980 to 1989 gm domestic vehicles.
Bbodies, cbodies, gbodies, dbodies, pontiac firebird with 301cid engine, nonturbo, pontiac firebird trans am indy pace car with buick v6 and a turbocharger. This kit is the most complete of its kind and eliminates the problems associated with not having the correct parts on hand during a rebuild. We have transmission rebuild manuals and transaxle rebuild manuals for various models and a transmission diagnostic code book. When it is time for an automatic transmission rebuild kit, whether for a muscle car restoration, high performance street vehicle, street rod, hot rod, or all out racing vehicle, we have the transmission kit you need for the job. Feb 08, 2009 the stock 200 4r input shaft is safe to about 550 hp. New master rebuild kit for the 19811990 200 4r this kit contains all the clutches and steel plates. Contrary to popular belief, the gm 2004r can be one tough transmission. Discussion in the hokey ass message board started by.
We offer a technical hotline, books, software, bulletins, wiring diagrams, seminars, and technical courses to the automatic transmission professional. Im crossreferencing the atsg rebuild book with the step by step rebuild on. Atsg is a technical support service specifically for the automatic transmission industry. If you just want to rebuild or overhaul a gm transmission, you should start with this book. Get the best transmission parts and performance rebuild kits for your gm automatic transmission at global transmission parts.
Please read the gm manual on this transmission before you rebuild or do any adjustments so as not to ruin a good tranny. Whether you need 2004r wiring diagram information, 2004r transmission rebuilders tips, 2004r technical information, 2004r diagnostics, 2004r troubleshooting help, or just answers to your 2004r transmission rebuilders question, the transmission rebuilders network is the place to go. Gm thm 2004r transmission rebuild repair manual on cd 19801999. How to build a th2004r for 1,000 horsepower car craft. You can expect a 30 to 40% increase in gas mileage over a 3speed on the road. Sonnax transmission parts for gm 200 4r applications. Gm thm 200 4r transmission rebuild manual on cd 19801999. In its stock form, it stood up to the power of the buick grand national.
Atsg gm thm 2004r techtran transmission rebuild manual. In 1980, for the 1981 model year, the 200 4r sometimes called 200r4 was introduced for use in gm vehicles. There is a reason i do 200 3 speeds for the stock eliminator guys occasionally. New master rebuild kit for the 19811990 2004r this kit contains all the clutches and steel plates. You can refer to atsg book i have one myself, but get the tech book from ck trans. Custom built monster 2004r transmission heavy duty performance. This transmission is compatible with the gm chevrolet, buick, pontiac and cadillac brands.
Today, many vehicles still use the 200 4r transmission to give older cars an overdrive gear and more horsepower. These parts allow you to build a 2004r transmission capable of 450 plus horsepower for most applications. Sst0156ba gm transmission holding fixture tool with 4l80e adapter sst2901 list price. Sonnax transmission parts for gm 2004r applications. However, if you want to dabble more in the art of transmission improvements of any kind, then you should buy a more specific book, specially written for the transmission you want to upgrade. I have a complete rebuild kit, a 10 vane front pump, a transgo hd2 shift kit, a bowtie overdrives tv kit, and a tcc lockup kit. I heard i dont even need the tool, but it makes life easy. Custom built monster 2004r transmission heavy duty. Jun 06, 2017 gm transmission no third gear duration. I did all of the obvious stuff, the linkage is hook up properly, i pulled off the torque convertor and made sure it had fluid in it, checked the fluid level on the dip stick, shifted it through all of the gears and checked it again. Monster transmission provides transmission parts for all transmission year, make, and models. Good for motors up to 500 horse power using pump gasoline, see chart below.
Rebuild and overhaul techtran manual covered models. Automatic transmissions 2004r transmission type free. The 200 4r is an excellent choice for a street or streetstrip overdrive transmission if you do the proper upgrades to keep it alive. Gm thm 2004r transmission rebuild manual on cd 19801999.
This atsg air check book manual covers passage identification for the purpose of air checking the. The 2004r transmission will fit all gm motors that have full size bell housings. I have a 2004r in my hot rod truck, built by a company in ca. For a comprehensive guide on this entire subject you can visit this link. The amount of power consumed by a transmission will differ mostly dependent on the rate of acceleration. Atsg gm thm 2004r techtran transmission rebuild manual 1980. For 1981up chevrolet, buick, oldsmobile, pontiac automatic transmissions. There is a 2004r transmission overdrive, and a 200 transmission 3 speed, and a 200c transmission 3 speed with lockup converter the th or thm names before them were used in some places, and left off in others, they dont tell you.