What Are the Main Causes of Transmission Overheating?

1 Answers
BradleyFitz
07/30/25 9:35am
Transmission overheating is primarily caused by: clogged oil suction filter screens; poor radiator cooling capacity; severe machine overload operation; severe wear or damage to the transmission hydraulic pump; significant system leakage, malfunctioning torque converter inlet regulating proportional valve; and transmission clutch slippage, all of which can lead to excessive transmission temperature. 90% of transmission failures are caused by overheating. Transmission overheating does not exhibit obvious fault symptoms during use, but prolonged high temperatures can lead to aging of internal seals, brittleness of plastic components, reduced lubrication performance of the fluid, and shortened lifespan of electrical components. Therefore, it is essential to regularly measure the transmission oil temperature and address any issues promptly.
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