Tools Required

J 38185 Hose Clamp Pliers

1. Drain the cooling system. Refer to Cooling System Draining and Filling .
2. Remove the spark plug wire harness from the thermostat bypass pipe.
3. Remove the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.4L.
4. Remove the upper radiator hose from the thermostat housing.
5. Disconnect the left engine mount strut from the engine.
6. Remove the heater hose from the bypass pipe.



7. Remove the thermostat bypass pipe to throttle body nut.



8. Use the J 38185 in order to remove the thermostat bypass pipe hose clamps (1,5).
9. Remove the thermostat bypass pipe to cylinder head nut (3).
10. Remove the thermostat bypass pipe bolt (4).



11. Remove the thermostat bypass pipe hose.
12. Remove the thermostat bypass pipe.

1. Apply engine coolant to the bypass pipe seal in order to ease installation.
2. Install the thermostat bypass pipe.



3. Install the thermostat bypass pipe hose.



4. Install the thermostat bypass pipe hose clamp (5).
5. Install the thermostat bypass pipe bolt (4).

Tighten
Tighten the thermostat bypass pipe bolt to 11 N·m (98 lb in).

6. Install the thermostat bypass pipe to cylinder head nut (3).

Tighten
Tighten the thermostat bypass pipe nut to 25 N·m (18 lb ft).

7. Install the thermostat bypass pipe to throttle body hose clamps (1).



8. Install the thermostat bypass pipe to throttle body nut.

Tighten
Tighten the thermostat bypass pipe nut to 25 N·m (18 lb ft).

9. Install the heater hose to the bypass pipe.
10. Install the left engine mount strut to the engine.
11. Install the upper radiator hose to the engine.
12. Install the air inlet duct. Refer to Air Cleaner Inlet Duct Replacement in Engine Controls - 3.4L.
13. Install the spark plug wire harness to the thermostat bypass pipe.
14. Fill the cooling system. Refer to Cooling System Draining and Filling .