Grand Marquis V8-4.6L Flex Fuel (2010)
Heater Core: Service and Repair
Heater Core
Removal and Installation
NOTE: If a heater core leak is suspected, the heater core must be leak tested before it is removed from the vehicle.
1. Remove the plenum chamber. For additional information, refer to Plenum Chamber See: Housing Assembly HVAC/Service and Repair/Plenum
Chamber.
2. Remove the screws and the heater core cover.
3. Carefully cut the seal above the heater core inlet and outlet tubes and remove the heater core.
4. To install, reverse the removal procedure.
