How to service the heater core on 2005 Mercury Grand Marquis?

Start the heater core servicing process by testing for leaks when leakage is under consideration. The service of the heater core starts with removing the plenum chamber and then dismantling screws holding the heater core cover in place. The next step requires careful cutting of the seal directly above the heater core inlet and outlet tubes for heater core removal. The installer should perform the heater core installation by undoing the steps of removal in reverse order.

OEM 2005 Mercury Grand Marquis Heater Core

HVAC Heater Core

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2005 Mercury Grand Marquis Heater Core
Part Number: H2MZ-18476-J
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core; Core
- Replaces: HC-31
- Condition: New
- Fitment Type: Direct Replacement
- SKU: H2MZ-18476-J
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following 2005 Mercury Grand Marquis Submodels:
- GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS

2005 Mercury Grand Marquis Heater Core

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2005 Mercury Grand Marquis Heater Core Parts Questions & Experts Answers

Q: How to service the heater core on 2005 Mercury Grand Marquis?
A: Start the heater core servicing process by testing for leaks when leakage is under consideration. The service of the heater core starts with removing the plenum chamber and then dismantling screws holding the heater core cover in place. The next step requires careful cutting of the seal directly above the heater core inlet and outlet tubes for heater core removal. The installer should perform the heater core installation by undoing the steps of removal in reverse order.