Sierra 1500 2WD V8-5.3L (2008)
Engine Block Heater: Service and Repair
Coolant Heater Replacement (LH6, LY2, LMG, LY5, and LY6)
Coolant Heater Replacement (LH6, LY2, LMG, LY5, and LY6) (5.3L,4.8L and 6.0L)
Removal Procedure
1. Drain the cooling system/engine block. Refer to Cooling System Draining and Filling (Vac-N-Fill) (See: Cooling System/Service and Repair
)Cooling System Draining and Filling (Static Fill) (See: Cooling System/Service and Repair) .
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
3. For 1500 series vehicles, remove the oil pan skid plate bolts and plate, if equipped.
4. For 2500 series vehicle, remove the front 2 oil pan skid plate bolts, loosen the 2 rear bolts and remove the skid plate, if equipped.
