Express 1/2 Ton Van V8-305 5.0L VIN M SFI (1998)
Heater Control Valve: Service and Repair
Auxiliary Heating System
Remove or Disconnect
1. Drain the coolant.
2. Raise the vehicle and support it with safety stands.
3. The front hose connections to the by-pass valve.
4. The rear hose connections to the by-pass valve.
5. The nut from the by-pass valve.
6. The by-pass valve from the vehicle.
Install or Connect
1. The by-pass valve to the vehicle.
2. The nut from the by-pass valve.
Tighten
^
The retaining nut to the water by-pass valve to 5 N.m (44 lb in).
3. The rear hose connections to the by-pass valve.
4. The front hose connections to the by-pass valve.
5. Lower the vehicle.
6. Refill the coolant.
