Transmission Cooler: Service and Repair

REMOVAL
The in-tank trans cooler is serviced with the radiator.
For removal of external trans cooler perform the following procedures:
1. Disconnect the battery negative cable.
2. Remove the radiator upper support.
3. Raise vehicle on hoist.
4. Remove right and left front wheels.
5. Remove front fascia.
6. Disconnect the hoses connecting to the external cooler.
7. Remove the radiator side air shields.
8. Remove the screw attaching the cooler line support bracket and remove the bracket.





9. Cut-off the cooler to condenser attaching straps (Fig. 3).
10. Remove the trans oil cooler and lines (Fig. 3).

CLEANING
Check the external cooler for debris on the cooling fin surfaces. Clean as necessary.

INSPECTION
Inspect all hoses, tubes, clamps and connections for leaks, cracks, or damage. Replace as necessary. Use only approved transmission oil cooler hoses that are molded to fit the space available.
Inspect external coolers for leaks, loose mounts, or damage. Replace as necessary.

INSTALLATION
For in-tank trans cooler installation Refer to Radiator; Service and Repair.
For external trans oil cooler installation, perform the following procedures:





1. Remove the bolts attaching the A/C condenser to the radiator (Fig. 4).
2. Lift A/C condenser up to disengage from upper retainers on radiator.
3. Reposition the A/C condenser to allow access to condenser rear surface.
4. Remove the previously cut-off cooler retaining straps.
5. Position and install the new retaining straps in the same locations on the condenser.
6. Reposition A/C condenser on the radiator upper retainers.
7. Install the A/C condenser mounting bolts and tighten to 5 Nm (45 inch lbs.) (Fig. 4).
8. Install the foam pads on the retaining straps.
9. Position the external cooler on A/C condenser by threading the retaining straps through the cooler mounting holes (Fig. 3).





10. Position the external cooler lines to the side of radiator. Install support bracket and screw (Fig. 5).
11. Install the retaining strap locks and tighten to secure the cooler to the condenser. Trim off the excess strap material.
12. Connect the cooler hoses to cooler lines and tighten hose clamps to 3 Nm (28 inch lbs.).
13. Install radiator side air shields.
14. Install the front fascia.
15. Install the front wheels.
16. Install the radiator upper support.
17. Connect battery negative cable.
18. Start engine and check transmission oil level. Adjust level as necessary.