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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Engine Cooling System) >> Description and Operation >> Cooling System Description and Operation >> Transmission Oil Cooler

Transmission Oil Cooler

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

The transmission oil cooler is a heat exchanger. The cooler is located inside the right side end tank of the radiator. The temperature of the transmission fluid is regulated by the engine coolant that surrounds the oil cooler as the transmission fluid passes through the cooler.

The transmission oil pump directs the fluid through the transmission oil cooler feed-line to the oil cooler. The fluid then flows through the cooler while the engine coolant absorbs heat from the fluid. The fluid is then pumped through the transmission oil cooler return line, to the transmission.

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