Express 1/2 Ton Van V8-5.7L VIN R (1999)
Heater Control Valve: Service and Repair
Primary
REMOVAL PROCEDURE
TOOLS REQUIRED
J 39529 Heater Hose Pliers
1. Drain the engine coolant. Refer to Draining and Filling Cooling System in Engine Cooling.
2. Remove the hose clamps from the outlet pipe and the inlet pipe using the J 39529.
3. Disconnect the heater inlet pipe and the outlet pipe from the by-pass valve(s).
4. Remove the by-pass valve (3) from the vehicle.
INSTALLATION PROCEDURE
