Yukon/Denali XL 1500 4WD V8-6.0L VIN U (2004)
Engine Block Heater: Service and Repair
Coolant Heater (Dealer Installation)
Coolant Heater Replacement (Dealer Installation - 6.0L Engine)
Dealer Installation Only
1. Drain the cooling system/engine block.
2. Raise and suitably support the vehicle.
3. Remove the oil pan skid plate bolts and plate.
4. Remove the oil cooler hose bracket bolt.
5. Remove the oil cooler hose adapter bolts.
6. Remove and discard the oil cooler hose adapter gasket.
7. Position the oil cooler hose adapter end out of the way.