Sierra 3500 Denali 4WD V8-6.0L (2011)
2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting
Disconnection and Connection (See: 4L60-E/4L65-E/4L70-E - Automatic Transmission/Transmission Fluid Cooler Hose/Pipe Quick-Connect
Fitting Disconnection and Connection).
3. Remove the transmission fluid cooler hose from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection
and Connection (See: 4L60-E/4L65-E/4L70-E - Automatic Transmission/Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting
Disconnection and Connection).
4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
5. Remove the transmission cooling line bracket retaining bolt (2).
6. Remove the cooling lines from the transmission.
7. Remove the oil cooling lines from the vehicle.
Installation Procedure