Express 1 Ton Van V8-5.7L VIN R (1999)
1. Install the auxiliary heater into the vehicle.
2. Raise the vehicle. Support the vehicle with safety stands.
NOTE: Refer to Fastener Notice in Cautions and Notices.
3. Install the retaining nuts to the underside of the auxiliary heater.
Tighten
Tighten the auxiliary heater retaining nuts to 10 N.m (89 lb in).
4. Connect the heater lines to the underside of the auxiliary heater.
5. Install the one retaining nut to the auxiliary evaporator underbody rear tube assembly to the core, if equipped.
Tighten
Tighten the nut to 25 N.m (18 lb ft).
6. Install the heater and heater line cover to the underside of the auxiliary heater.
7. Remove the safety stands.
8. Lower the vehicle.
9. Connect the electrical connectors to the auxiliary heater (1).
10. Install the heater to floor vent duct.
11. Install the heater to roof duct
12. Install the left rear corner garnish molding.
13. Install the left rear quarter trim panel.
14. Recharge the refrigerant, if equipped with A/C.
Refer to Refrigerant Recovery and Recharging in HVAC Systems with A/C-Manual.
15. Fill the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
Heater Case Replacement (Primary)
REMOVAL PROCEDURE
