4L80-E/4L85-E

Transmission Fluid Auxiliary Cooler Replacement

Removal Procedure





1. Remove the grille assembly.
2. Disconnect the 2 lines from the auxiliary cooler.
3. Remove the lines from the push clips on the auxiliary cooler mounting bracket.
4. Raise the vehicle. Refer to Vehicle Lifting.





5. Remove the lower bolts from the auxiliary cooler mounting bracket.
6. Lower the vehicle.
7. Remove the upper bolts.
8. Remove the auxiliary oil cooler from the vehicle.

Installation Procedure





1. Install the oil cooler into the vehicle.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the upper bolts into the oil cooler bracket.
^ Tighten the bolts to 10 Nm (89 inch lbs.).
3. Raise the vehicle. Refer to Vehicle Lifting.
4. Install the lower bolts to the oil cooler bracket.
^ Tighten the bolts to 10 Nm (89 inch lbs.).
5. Lower the vehicle.





6. Connect the oil cooler lines to the auxiliary oil cooler.
7. Attach the oil cooler lines to the push clips in the mounting bracket.
8. Reinstall the grille assembly.