2000 Ford Ranger Remove Heater Core

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The heater core is the device that supplies the heat to the vehicle's interior. When the heater core fails, the Ranger's cabin won't heat up. This may not be a problem in the summer, but once winter comes around it could quickly become an issue. Also, if the heater core fails critically it could end up spilling hot coolant all over the interior of the truck, causing even bigger problems than a cold cab. No special tools are required to replace the heater core.

Tools Used[edit]

Socket wrench
Clean bucket or oil pan

Remove Heater Core[edit]

  • Park the 2000 Ford Ranger on a flat, level surface and set the parking brake. Open the hood and disconnect the negative battery cable.
  • Place the bucket under the radiator. Remove the clamp on the radiator drain hose at the bottom of the radiator by loosening the screw on it. Let the radiator drain completely into the bucket.
  • Disconnect the hoses leading to the heater core from the engine compartment. The heater core is located on the firewall, just in front of the glove box, and can be reached by standing just behind the front, passenger-side wheel.
  • Pull firmly on the ashtray to remove it. Remove the screw behind the ashtray. Open the glove box and lift upwards to remove it.
  • Unscrew the four screws on the heater core's cover. Remove the cover. Unbolt the heater core from the firewall. Remove the heater core.

Tips & Warnings[edit]

  • After all of the maintenance on the heater core is performed, make sure to remember to refill the radiator.