Sierra 2500 4WD V8-8.1L VIN G (2006)
Transmission Cooler: Service and Repair
4L80-E/4L85-E - Automatic Transmission
Transmission Fluid Auxiliary Cooler Replacement
Removal Procedure
1. Remove the grille assembly.
2. Remove the transmission fluid cooler hoses from the auxiliary cooler.
3. Remove the auxiliary oil cooler bolts (1).
4. Remove the auxiliary oil cooler push pins (2)
5. Remove the auxiliary oil cooler from the vehicle.
Installation Procedure
1. Install the auxiliary oil cooler to the vehicle.
2. Install the bolts (1) to the radiator brace.
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Tighten the bolts to 12 Nm (106 inch lbs.).
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the push pins (2) to the radiator brace.
4. Connect the transmission oil cooler lines to the auxiliary cooler.
5. Install the grille assembly.
