Express 3/4 Ton Van V8-5.7L VIN R (1998)
Heater Core: Service and Repair
Primary System
Heater Core Access Door Retainers
Remove or Disconnect
1. Drain the engine coolant.
2. Recover the refrigerant if equipped with A/C.
3. The coolant recovery or surge tank.
4. The battery from the vehicle.
5. The A/C accumulator if equipped.
6. The heater hoses from the heater core.
7. The right kick panel.
8. The right knee bolster.
9. The outer floor air outlet duct.
10. The retaining screws from the heater case.
11. CAREFULLY open the heater core access door to obtain retainers.
12. The retainers from the heater core.
13. The heater core from the vehicle.
Install or Connect
1. The heater core to the vehicle.
2. The retainers to the heater core.
3. CAREFULLY close the heater core access door.
4. The retaining screws to the heater case.
5. The outer floor air outlet duct.
6. The right knee bolster.
7. The right kick panel.
8. The heater hoses to the heater core.
