Thermostat Bypass Hose: Service and Repair

Bypass Tube - 3.0L













Removal and Installation

1. Remove the thermostat housing. For additional information, refer to Thermostat Housing - 3.0L Service and Repair.

2. Remove the bypass tube-to-thermostat housing hose.

3. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.

4. Detach the wiring harness retainer from the bypass tube stud bolt.





5. Remove the bolt, stud bolt and bypass tube.
- To install, tighten the bolt and stud bolt to 10 Nm (89 lb-in).

6. Remove and inspect the O-ring seals, install new seals if necessary.

7. To install, reverse the removal procedure.
- Lubricate the O-ring seals with clean engine coolant.

8. Fill and bleed the cooling system. For additional information, refer to Cooling System Draining, Filling and Bleeding Cooling System Draining, Filling and Bleeding.