Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
Transmission Cooler: Service and Repair
4L80-E/4L85-E - Automatic Transmission
Transmission Fluid Auxiliary Cooler Replacement
Removal Procedure
1. Remove the grille assembly. Refer to Grille Replacement (Chevrolet) Grille Replacement (GMC).
2. Remove the transmission fluid cooler hoses from the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting
Disconnection and Connection.
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. Notice:
Refer to Fastener Notice.
Install the bolts (1) to the radiator brace.
Tighten the bolts to 12 Nm (106 inch lbs.).
3. Install the push pins (2) to the radiator brace.
4. Connect the transmission oil cooler lines to the auxiliary cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting
Disconnection and Connection.
5. Install the grille assembly. Refer to Grille Replacement (Chevrolet) Grille Replacement (GMC).
