How to service the auxiliary heater core on 2004 Lincoln Aviator?

For servicing the auxiliary heater core always maintain the vehicle on a hoist and position the gear selector into NEUTRAL. Use suitable tools to clamp off the underbody heater hoses at their position on the floorpan bracket. The proper order must be followed during component removal as you find that the screw and line bracket sit above the floorpan line bracket within the vehicle. The installation requires performing the removal steps in reverse order followed by engine cooling system refilling. The necessary steps of filling and bleeding must be completed after draining the engine block alongside the auxiliary heater cores to avoid engine damage. You should apply plain water as a lubricant when you need to lubricate coolant hoses.

OEM 2004 Lincoln Aviator Heater Core

HVAC Heater Core

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2 Heater Cores found

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2004 Lincoln Aviator Heater Core, Rear
Part Number: H2MZ-18476-X
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Rear; HVAC Heater Core
- Position: Rear
- Replaces: 1L2Z-18476-CA, HC-32, HC-25, F85Z-18476-AA, HC-22
- Item Weight: 1.90 Pounds
- Item Dimensions: 9.3 x 2.9 x 12.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: H2MZ-18476-X
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Lincoln Aviator Submodels:
- Base | 8 Cyl 4.6 L GAS
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2004 Lincoln Aviator Heater Core, Front
Part Number: H2MZ-18476-Y
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Front; HVAC Heater Core
- Position: Front
- Replaces: 7L2Z-18476-A, HC-41, 5L2Z-18476-AA, 6L2Z-18476-A, HC-47
- Item Weight: 3.60 Pounds
- Item Dimensions: 8.2 x 21.1 x 13.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: H2MZ-18476-Y
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2004 Lincoln Aviator Submodels:
- Base | 8 Cyl 4.6 L GAS

2004 Lincoln Aviator Heater Core

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2004 Lincoln Aviator Heater Core Parts Questions & Experts Answers

Q: How to service the auxiliary heater core on 2004 Lincoln Aviator?
A: For servicing the auxiliary heater core always maintain the vehicle on a hoist and position the gear selector into NEUTRAL. Use suitable tools to clamp off the underbody heater hoses at their position on the floorpan bracket. The proper order must be followed during component removal as you find that the screw and line bracket sit above the floorpan line bracket within the vehicle. The installation requires performing the removal steps in reverse order followed by engine cooling system refilling. The necessary steps of filling and bleeding must be completed after draining the engine block alongside the auxiliary heater cores to avoid engine damage. You should apply plain water as a lubricant when you need to lubricate coolant hoses.