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In order to troubleshoot and service this transmission, it is important to understand how the TCM and transmission interact with their sensors and control elements. The TCM receives data from various sensors, computes the optimum gear ratio based on the inputs, and causes the transmission to shift into the correct ratio at the best time.
12 Φεβ 2023 · The most common transmission problems are leaking seals, a worn clutch, or old transmission oil. Faulty components inside the transmission, such as bad shift solenoids, bad transmission belts, or a faulty torque converter, are also very common.
29 Δεκ 2022 · The taller, fourth gear allows the engine it is installed behind to rotate at lower RPM than a three-speed transmission, and this not only will save on gas and engine wear, but it also allows you to change to larger rear axle ratios without severely impacting streetability. Advertisement.
6 Μαρ 2024 · Some of the most common GM 4L60E transmission problems include gear slippage and difficulty in shifting between certain gears, among others.
3 Ιαν 2016 · I know that most failures in the 2004r are do to heat and direct clutch failure. If the direct clutch count is built up to 8 clutches with the bigger boost valves and better 10 vane pump, at what power level do the forward and overrun clutches start to fail?
This page was created to help compile & link information on the General Motors Hydramatic Division THM 200-4R transmission. Hopefully it will help those trying to identify what trans they have in their vehicle or modify their THM 200-4Rs to handle more power & torque.
The 200-4R is a 4-speed automatic overdrive transmission by GM, capable of fitting into most Chevy’s from the 80s and before, built similarly to the TH200 and TH350, as well as the 2-speed Powerglide transmission.
