200 4r Transmission Diagram. 4 INSTALLATION INSTRUCTIONS A. Every Transmission Tested on the PATC Dyno.
The 200-4R is very similar to the 700R4 although there are some differences between the two of them. See all 31 photos The GM 200R4 transmission is a compact overdrive unit used from 1981-87 in models ranging from full-size Cadillacs to the Buick GNX. THM 200-4R AUTOMATIC TRANSMISSION SERVICE GROUP 18639 SW.
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The TH-200-4R was used in GM rear-wheel-drive cars equipped with the 231 Buick 301 Pontiac and the Oldsmobile 307 350 gas and 350 diesel engines from 1981-90. The 200-4R comes with a unique-looking 16-bolt transmission pan much like the 700R4 and 4L60 but completely different in design. When the switch is on the transmission will not engage into lockup until your transmission is in 4th gear. The 200-4R is a transmission that was manufactured by General Motors for the 1981 model year.
