Hot Water Bypass Valve Replacement (Front)

TOOLS REQUIRED
J 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. Use the J 38185.
5. Remove the heater inlet pipe (5) and the outlet pipe (6) from the bypass valves (4).
6. Remove the bolt (3) that retains the valve (4) to the heater assembly.
7. Remove the bypass valve (4) from the heater assembly.

INSTALLATION PROCEDURE




1. Install the bypass valve (4) to the heater assembly.

NOTE: Refer to Fastener Notice in Service Precautions.

2. Install the bolt (3) that retains the valve (4) to the heater assembly.

Tighten
Tighten the bolt that retains the valve to 4 N.m (35 lb in).

3. Install the heater inlet pipe (5) and the outlet pipe (6) to the bypass valves.
4. Use the J 38185.
5. Refill the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
6. Install the upper fan shroud.
7. Install the air cleaner.