Sierra 3500 4WD V8-6.0L VIN U (2004)
Fluid Line/Hose: Service and Repair
Automatic Transmission - 4L60-E/4L65-E
Transmission Fluid Cooler Hose/Pipe Replacement
Removal Procedure
1. Remove the front grill assembly.
2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler.
3. Remove the transmission fluid cooler hose from the radiator.
4. Raise the vehicle. Refer to Vehicle Lifting.
5. Remove the engine protection shield.
6. Remove the cooling lines from the transmission.
7. Remove the oil cooling lines from the vehicle.
Installation Procedure
1. Install the transmission oil cooler lines to the vehicle.
2. Install the cooling lines to the transmission.