Aviator AWD V8-4.6L DOHC VIN H (2003)
Engine Block Heater: Service and Repair
Block Heater
1. Drain the cooling system.
2. Raise the vehicle.
3. Remove the components in the order indicated in the illustration and table.
4. To install, reverse the removal procedure.
5. Fill and bleed the cooling system.
Item 2: Block Heater Retaining Screw Removal Note
1. CAUTION: Do not loosen the block heater retaining screw more than necessary for removal.
Loosen the block heater retaining screw.
Item 3: Block Heater Installation Note
1. Clean and inspect the engine block mating surface before installing the block heater. Lubricate the block heater seal and the cylinder block hole
with clean engine coo ant to ease installation.
Item 1: Block Heater Power Cable Installation Note
1. Make sure the power cable is routed and secured away from rotating or hot components or damage to the cable can occur.
