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Home >> Jeep >> 2023 >> Grand Cherokee Altitude, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 22 (8HP75 Automatic Transmission (Service Information) (1 Of 2)) >> Description And Operation >> Transmission Oil Cooler

Transmission Oil Cooler

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DESCRIPTION 

The automatic transmission oil cooler is located within the air conditioning condenser. The transmission oil cooler is a heat exchanger that allows heat in the transmission fluid to be transferred to the air passing over the cooler fins. The transmission oil cooler assembly is equipped with a thermal bypass valve that incorporates the quick connect fitting for the transmission oil cooler lines.

OPERATION 

Transmission fluid is routed through the cooler where heat is removed from the transmission fluid before returning to the transmission. The transmission oil cooler thermal bypass valve aids in achieving desired transmission oil operating temperature. It does this by recirculating the fluid back to the transmission without flowing through the transmission oil cooler at low fluid temperatures.