C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Heater Core: Service and Repair
With Air Conditioning
HEATER CORE REPLACEMENT
REMOVE OR DISCONNECT
1. Coolant from the radiator.
2. Heater case lower cover plate (18).
^ Remove the seven screws that hold the lower cover plate.
3. Heater core hoses.
NOTICE: The heater core can be damaged it too much force is applied to the heater core pipes during hose removal.
4. Heater core from the heater case.
^ Remove the screws and bracket that hold the core to the case.
