How to Service and Repair a Heater Core on 2002 Ford Expedition?

Draining the radiator should be the first step before performing heater core service and repairs. Secondly the instrument panel needs removal during this process while working on the body and frame components together with interior trim elements and dashboard pieces. Heater hose coupling disconnect takes place after the first procedures end. A/C plenum demister adapter needs removal after the screw is disconnected and the adapter is pulled out. The vacuum line attachment should be disconnected before you remove the plenum chamber top by unscrewing its 13 screws. After removing the top portion above the blend door assembly you should remove the blend door assembly then the heater core. When installing the components repeat the reverse order of removal steps while using MERPOL(R) which follows Ford specification ESE-M99B144-B or falling back to using plain water for coolant hose lubrication.

OEM 2002 Ford Expedition Heater Core

HVAC Heater Core

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2 Heater Cores found

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2002 Ford Expedition 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 2002 Ford Expedition Submodels:
- Eddie Bauer, XLT | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS
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2002 Ford Expedition Heater Core, Front
Part Number: H2MZ-18476-P
$71.22 MSRP: $113.09
You Save: $41.87 (38%)
Product Specifications
- Other Name: Heater Assembly - Less Radiator; HVAC Heater Core, Front; HVAC Heater Core
- Position: Front
- Replaces: 2L1Z-18476-AA, 2L1Z-18476-BA, HC-33
- Item Weight: 3.20 Pounds
- Item Dimensions: 9.1 x 13.3 x 11.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: H2MZ-18476-P
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2002 Ford Expedition Submodels:
- Eddie Bauer, King Ranch, Limited, NBX, XLS, XLT, XLT Sport | 8 Cyl 4.6 L GAS, 8 Cyl 5.4 L GAS

2002 Ford Expedition Heater Core

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2002 Ford Expedition Heater Core Parts Questions & Experts Answers

Q: How to Service and Repair a Heater Core on 2002 Ford Expedition?
A: Draining the radiator should be the first step before performing heater core service and repairs. Secondly the instrument panel needs removal during this process while working on the body and frame components together with interior trim elements and dashboard pieces. Heater hose coupling disconnect takes place after the first procedures end. A/C plenum demister adapter needs removal after the screw is disconnected and the adapter is pulled out. The vacuum line attachment should be disconnected before you remove the plenum chamber top by unscrewing its 13 screws. After removing the top portion above the blend door assembly you should remove the blend door assembly then the heater core. When installing the components repeat the reverse order of removal steps while using MERPOL(R) which follows Ford specification ESE-M99B144-B or falling back to using plain water for coolant hose lubrication.