6L80-E - Automatic Transmission

Engine Oil and Transmission Fluid Cooler Replacement

Tools Required

J 41623-B Cooler Quick Connect Tool
DT-47731 1/2 Inch Quick Connect Release Tool

Removal




Important: It is not necessary to discharge the refrigerant from the A/C syatem during oil cooler replacement.
Remove the A/C condenser mounting bolts and reposition the condenser.

1. Reposition the condenser to access the oil cooler.
2. Use the J 41623-B to disconnect the transmission oil cooler (TOC) lines from the TOC.
3. Disconnect the TOC lines from the TOC retainer clip.
4. Use the DT-47731 to disconnect the engine cooler (EOC) lines from the cooler.
5. Disconnect the EOC lines from the cooler retaining clips.
6. Remove the cooler mounting bolts.
7. Remove the cooler.

Installation




1. Install the cooler mounting bolts.

Notice: Refer to Fastener Notice in Cautions and Notices

2. Install the cooler mounting bolts.

Tighten
Tighten the bolts to 5 Nm (44 in lbs)

3. Connect the EOC lines to the cooler.
4. Connect the EOC lines to the EOC retaining clips.
5. Connect the TOC lines to the TOC.
6. Connect the TOC line to the TOC retainer clip.
7. Reposition and reinstall the condensor.