Cars & Vehicles Auto Parts & Maintenance & Repairs

C1500 Heater Core Removal

    Preparation

    • Disconnect the negative battery cable to disable the air bag system (if equipped). Allow five minutes for the backup capacitors to discharge. Disconnect the lower radiator hose and allow all of the engine coolant to drain into a catch pan.

    Disconnect Hoses

    • Disconnect the heater core hoses from the passenger side of the firewall. Disconnect the temperature control cable and mode control cable from the heater/ventilation module.

    Instrument Carrier

    • From inside the passenger cabin, remove the instrument panel carrier. The carrier is attached via spring clips. Gently pry up the edges of the carrier to disengage the clips. Disconnect the electrical harnesses and the ground connections from the back of the carrier and remove the unit.

    Removal

    • Remove the heater/ventilation module mounting nuts and the screws. Remove the heater/ventilation module assembly. Remove the heater core cover screws and remove the cover. Reach into the heater core box and pull the heater core out.

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