Sierra 3500 Denali 4WD V8-6.0L (2011)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement (LY6)
Coolant Heater Cord Replacement (LY6)
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Remove the front 2 oil pan skid plate bolts, loosen the 2 rear bolts and remove the skid plate, if equipped.
3. Disconnect the coolant heater cord electrical connector.
