5L40-E/5L50-E - Automatic Transmission

Auxiliary Automatic Transmission (AT) Oil Cooler Replacement

^ Tools Required
- J 39400-A Halogen Leak Detector

Removal Procedure





1. Important: It is not necessary to discharge the refrigerant from the A/C system during auxiliary transmission oil cooler (TOC) replacement.

Remove the A/C condenser mounting bolts and reposition the condenser.
Reposition the condenser to access the auxiliary transmission oil cooler.
2. Disconnect the transmission oil cooler (TOC) lines from the TOC.
3. Disconnect the TOC line from the TOC retainer clip (1).





4. Remove the TOC mounting bolts.
5. Remove the TOC.

Installation Procedure





1. Install the TOC.

2. Notice: Refer to Fastener Notice in Service Precautions.

Install the TOC mounting bolts.
Tighten the bolts to 5 Nm (44 inch lbs.).





3. Connect the TOC lines to the TOC.
Tighten the fittings to 20 Nm (15 ft. lbs.).
Connect the TOC line to the TOC retainer clip (1).
4. Reposition and reinstall the condenser.