G 2500 3/4 Ton Van V8-6.5L DSL Turbo VIN F (1997)
Heater Control Valve: Service and Repair
Auxiliary Heating System
Auxiliary Hot Water By-Pass Valve
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.
