Hot Water Bypass Valve Replacement (Rear)
TOOLS REQUIREDJ 38185 Hose Clamp Pliers
REMOVAL PROCEDURE
1. Remove the air cleaner.
2. Remove the upper fan shroud.
3. Drain the engine coolant. Refer to Draining and Filling Cooling System in Cooling System.
4. Disconnect the electrical connector from the valve.
5. Disconnect the vacuum hose from the valve.
6. Remove the hose clamps from the outlet pipe (8) and from the inlet pipe (4).
7. Use the J 38185 in order to remove the hose clamps from the outlet pipe (8) and from the inlet pipe (4).
8. Remove the bolt (3) that retains the valve to the heater assembly.
9. Remove the bypass valve (5) from the heater assembly.
10. Remove the heater hoses from the engine to the hot water bypass valve.
INSTALLATION PROCEDURE
1. Install the heater hoses to the engine to the hot water bypass valve.
2. Install the bypass valve (5) to the heater assembly.
NOTE: Refer to Fastener Notice in Service Precautions.
3. Install the bolt (3) that retains the valve (5) to the heater assembly.
Tighten
Tighten the bolt that retains the valve to 4 N.m (35 lb in).
4. Install the heater inlet pipe (4) and the outlet pipe to the bypass valves.
5. Use the J 38185 in order to install the hose clamps to the outlet pipe and to the inlet pipe (4).
6. Connect the vacuum hose to the valve.
7. Connect the electrical connector to the valve.
8. Refill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
9. Install the upper fan shroud.
10. Install the air cleaner.