Express 1/2 Ton Van V8-5.7L VIN R (1999)
Heater Core: Service and Repair
Heater Core Replacement
REMOVAL PROCEDURE
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
2. Recover the refrigerant.
3. Remove the coolant recovery reservoir or the surge tank.
4. Remove the battery from the vehicle.
5. Remove the A/C accumulator.
6. Disconnect the heater hoses from the heater core.
7. Remove the right kick panel.
8. Remove the right knee bolster.
9. Remove the outer floor air outlet duct.
10. Remove the retaining screws from the heater case.
11. CAREFULLY open the heater core access door in order to obtain the retainers.
