Yukon 4WD V8-5.3L (2008)
Engine Block Heater: Service and Repair
Coolant Heater Cord Replacement (RPOs LY2/LY5/LMG)
Coolant Heater Cord Replacement (RPOs LY2/LY5/LMG) (4.8L, 5.3L)
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Remove the oil pan skid plate bolts and plate, if equipped.
3. Disconnect the coolant heater cord electrical connector.