Oil Cooler Fitting Replacement

Use only double-wrapped and use only brazed steel pipe meeting the GM specification 123M or equivalent if replacement of the transaxle oil cooler pipes are required. Ensure the pipe is double-flared.

Removal Procedure

Notice: Refer to Allow Sufficient clearance around transaxle oil cooler pipes in Service Precautions.

1. Raise and support the vehicle. Refer to Vehicle Lifting.
2. Position the drain pan.
3. Remove the transaxle oil cooler hoses from the transaxle oil cooler fittings. Refer to Automatic Transmission Oil Cooler Hose Replacement.
4. Remove the transaxle oil cooler fittings from the transaxle.

Installation Procedure

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.

1. Install the transaxle oil cooler fittings to the transaxle.
Tighten
Tighten the transaxle oil cooler fittings to 38 Nm (28 ft. lbs.).
2. Install the transaxle oil cooler hoses to the transaxle oil cooler fittings. Refer to Automatic Transmission Oil Cooler Hose Replacement.
3. Lower the vehicle.

Notice: Refer to Do Not Overfill Transmission in Service Precautions.

4. Adjust the fluid level.
5. Inspect for proper completion of the repairs.
6. Inspect for fluid leaks.