Oil Cooler Pipes Replacement (Threaded)

Removal Procedure

Important: 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 that the pipe is double-flared.

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 pipes. Refer to Automatic Transmission Oil Cooler Hose Replacement and Auxiliary A/T Oil Cooler Hose Replacement.





4. Remove the transaxle oil cooler pipe fittings at the radiator.
5. Remove the clip bolt from the transaxle oil cooler pipe.
6. Remove the transaxle oil cooler pipes.

Installation Procedure

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





1. Install the transaxle oil cooler pipes.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the clip bolt to the transaxle oil cooler pipe.
Tighten
Tighten the clip bolt to 4 Nm (27 inch lbs.).
3. Install the fittings to the transaxle oil cooler pipe at the radiator.
Tighten
Tighten the fittings to 45 Nm (33 ft. lbs.).
4. Install the transaxle oil cooler hoses to the pipes. Refer to Automatic Transmission Oil Cooler Hose Replacement and Auxiliary A/T Oil Cooler Hose Replacement.
5. Lower the vehicle.

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

6. Adjust the fluid level.
7. Inspect for proper completion of the repairs.
8. Inspect for fluid leaks.