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Home >> Pontiac >> 2007 >> Grand Prix V8-5.3L >> Repair and Diagnosis >> Transmission and Drivetrain >> Automatic Transmission/Transaxle >> Transmission Cooler >> Service and Repair
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Transmission Cooler: Service and Repair



Automatic Transmission Radiator Oil Cooler Connector Replacement

Removal Procedure

1. Drain the cooling system.
2. Remove the transaxle oil cooler hoses from the oil cooler fittings on the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Replacement.





Important: Do not remove the upper and lower transaxle oil cooler fittings from the radiator at the same time other wise the transaxle oil cooler will fall inside the radiator end tank.

3. Remove the oil cooler fitting from the radiator.

Installation Procedure

1. Inspect the new O-ring seals for cracks, cuts or damage. Replace if necessary.





Notice: Refer to Fastener Notice in Service Precautions.

Important: The correct thread engagement is critical. Cross-threaded fittings can achieve proper tightness and still leak.

2. Install the oil cooler fitting to the radiator

Tighten the fittings to 38 N.m (28 lb ft).

3. Install the transaxle oil cooler hoses to the oil cooler fittings on the radiator.
4. Fill the cooling system.
5. Adjust the transmission fluid level.
6. Inspect for fluid leaks.

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