How do you replace the heater core on Ford Explorer Sport Trac?

To replace the heater core on 1994 and earlier models, remove the cable from the negative battery post and drain the cooling system. The clamps on the heater hoses should be loosened at the engine compartment side of the firewall so that they can be separated from the heater core tubes which are then capped. In the passenger compartment, unscrew, and pull out of plenum assembly, taking care not to damage them. For removing it, pull down and towards rear for taking out a heater core while finally installing it is just a reversal process making sure to replenish coolant and check for leaks.

Genuine Ford Explorer Sport Trac Heater Core

HVAC Heater Core

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3 Heater Cores found

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Ford Explorer Sport Trac Core Assembly - Heater
Part Number: F5TZ-18476-A
- Other Name: Core Assy - Heater
- Manufacturer Note: Core & seal asy.
- Replaced by: H2MZ-18476-AC
More Info
Fits the following Vehicles:
2001-2005 Ford Explorer Sport Trac | 6 Cyl 4.0L SOHC EFI | 5-Speed Automatic Transmission - 5R44E/5R55E, 5-Speed Manual Transmission - R1HD, Four-Wheel Drive, Left Hand Drive, Two-Wheel Drive
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View related parts
Ford Explorer Sport Trac Core Assembly - Heater
Part Number: 6L2Z-18476-A
- Other Name: Core Assy - Heater
- Replaced by: H2MZ-18476-Y
More Info
Fits the following Vehicles:
2007 Ford Explorer Sport Trac | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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View related parts
Ford Explorer Sport Trac Core Assembly - Heater
Part Number: 7L2Z-18476-A
- Other Name: Core Assy - Heater
- Replaced by: H2MZ-18476-Y
More Info
Fits the following Vehicles:
2007-2010 Ford Explorer Sport Trac | 6 Cyl 4.0L SOHC EFI, 8 Cyl 4.6L | 5-Speed Automatic Transmission 5R55S, 6-Speed Automatic Transmission (6R80), 6-Speed Automatic Transmission 6R60, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Left Hand Drive, Rear-Wheel Drive (Left Hand Drive)
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Ford Explorer Sport Trac Heater Core Parts Questions & Answers

Core Assembly - Heater
F5TZ-18476-A
Q: How do you replace the heater core on Ford Explorer Sport Trac?
A: To replace the heater core on 1994 and earlier models, remove the cable from the negative battery post and drain the cooling system. The clamps on the heater hoses should be loosened at the engine compartment side of the firewall so that they can be separated from the heater core tubes which are then capped. In the passenger compartment, unscrew, and pull out of plenum assembly, taking care not to damage them. For removing it, pull down and towards rear for taking out a heater core while finally installing it is just a reversal process making sure to replenish coolant and check for leaks.