How to service the heater core on 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.

How should a heater core leak be tested and what is the removal procedure on Mercury Grand Marquis?

Prior to car removal it is essential to conduct a leak test when heater core leakage is suspected. The work starts by taking out the plenum chamber and proceeding to remove the screws and heater core cover. It is necessary to precisely cut the seal above the heater core inlet and outlet tubes for heater core extraction. Return the installation steps as the opposite of removal steps.

OEM Mercury Grand Marquis Heater Core

HVAC Heater Core

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3 Heater Cores found

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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
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1990-2011 Mercury Grand Marquis | 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
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Mercury Grand Marquis Heater Core Part Number: H2MZ-18476-H
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core
- Replaces: HC-20, F8VZ-18476-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2000 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Heater Core Part Number: E3AZ-18476-E
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core; Core
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS

Mercury Grand Marquis Heater Core

OEM Heater Core boasts unmatched quality. Each part goes through full quality checks. They adhere to Mercury's official factory standards. These steps remove flaws and inconsistencies. So you can get Heater Core with long life and a perfect fit. Come to our website and find genuine Mercury Grand Marquis parts. We keep a wide inventory of OEM Grand Marquis parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

Heater Core in Mercury Grand Marquis vehicles serves as the component of the climate control system through which hot engine air is transferred and distributed into the passenger's compartment similarly to a radiator. Constructed of aluminium or brass with fins, the core possesses a greater surface of contact; it is cooled by a mixture of water and antifreeze, running in close proximity to the engine. It might contain varieties such as valves or doors for the continent that can be used in combination with other features for controlling the climate condition. In the air conditioned vehicles the heater core also helps in dehumidification and can also act in supplementary to engine cooling radiator. They problems may be caused by clogging, leaking, or corrosion, and in most situations the repair entails the removal of most of the dashboard. It is important to know that other heating techniques of air cooled engines are available, but might prove to be dangerous.

Mercury Grand Marquis Heater Core Parts and Q&A

Heater Core
H2MZ-18476-J
Q: How to service the heater core on 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.
Heater Core
H2MZ-18476-H
Q: How should a heater core leak be tested and what is the removal procedure on Mercury Grand Marquis?
A:
Prior to car removal it is essential to conduct a leak test when heater core leakage is suspected. The work starts by taking out the plenum chamber and proceeding to remove the screws and heater core cover. It is necessary to precisely cut the seal above the heater core inlet and outlet tubes for heater core extraction. Return the installation steps as the opposite of removal steps.