Water Passage Replacement

Water Passage Replacement

1. Drain the engine coolant. Service and Repair

2. Do the battery removal procedure. Removal and Replacement

3. Remove the splash separator and the intake air duct. Intake Air Resonator Removal/Installation (J35Z2 Engine)

4. Disconnect the upper radiator hose (A), the lower radiator hose (B), the engine coolant temperature (ECT) sensor 1 connector (C), and the exhaust gas recirculation (EGR) valve connector (D).






5. Disconnect the water bypass hoses (A) and the heater hoses (B).






6. Remove the front warm up three way catalytic converter (front WU-TWC) bracket (A), then remove the front WU-TWC bracket joint (B).
NOTE: Tighten the mounting bolts and nuts in the numbered sequence shown.






7. Remove the EGR pipe.






8. Remove the water passage and related parts.

9. Install the water passage in the reverse order of the removal.

10. Install the splash separator and the intake air duct. Intake Air Resonator Removal/Installation (J35Z2 Engine)

11. Do the battery installation procedure. Removal and Replacement

12. Refill the radiator with engine coolant, and bleed the air from the cooling system with the heater valve open. Service and Repair

13. Clean up any spilled engine coolant.