Engine Coolant Inlet Pipe Replacement

Engine Coolant Inlet Pipe Replacement

Removal Procedure

Caution: Refer to Battery Disconnect Caution (Battery Disconnect Caution) .
1. Disconnect the battery ground cable from the battery. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair) .
Caution: Refer to Radiator Cap Removal Caution (Service Precautions) .
2. Ensure engine is below 50 C before removing the coolant pressure cap.
3. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair) in Engine Mechanical - 3.6L
4. Remove the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Service and Repair) .
5. Remove the air intake duct. Refer to Air Cleaner Inlet Duct Replacement (Service and Repair) .
6. Drain the cooling system. Refer to Cooling System Draining and Filling (Service and Repair) .
7. Remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side (6.0L Engine) (Catalytic Converter Replacement - Right Side (6.0L Engine))Catalytic Converter Replacement - Right Side (3.6L Engine) (Catalytic Converter Replacement - Right Side (3.6L Engine)) .




Caution: Refer to Safety Glasses Caution (Safety Glasses Warning) .
8. Detach the lower radiator hose by removing the retaining hose clamp (1) and removing it from the coolant inlet pipe (3).
Caution: Refer to Vehicle Lifting Caution (Service Precautions) .
9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .
10. Remove the air deflector. Refer to Front Air Deflector Replacement (Service and Repair) .
11. Remove the coolant inlet pipe to alternator bracket retaining (2).
12. Lower vehicle




13. Remove the retaining bolt (1) which secures the inlet pipe (2) to the thermostat housing (4).
14. Manoeuvre the coolant inlet pipe towards the front of the engine and remove it from below, between the cross member and radiator.
15. Remove the coolant inlet pipe O-ring (3).



Installation Procedure






Important: Always renew the coolant inlet O-ring (3).


1. Ensure all mating surfaces are thoroughly cleaned, using only a fine abrasive material.
2. Install the coolant inlet pipe (2) at the thermostat end (4).

Notice: Refer to Fastener Notice (Fastener Notice) .

3. Install the coolant inlet pipe retaining bolt (1).

Tighten the bolt to 35 N.m (26 lb ft).

4. Raise and support the front of the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair) .




5. Install the coolant inlet pipe to alternator bracket retaining nut (2).

Tighten the nut to 25 N.m (18 lb ft).

Caution: Refer to Installing Hoses without Twists or Bends Notice (Installing Hoses without Twists or Bends Notice) .
6. Attach the inlet hose to the inlet pipe (3) and secure with retaining hose clamp (1)
7. Install the air deflector. Refer to Front Air Deflector Replacement (Service and Repair) .
8. Lower the vehicle.
9. Remove the right side catalytic converter. Refer to Catalytic Converter Replacement - Right Side (6.0L Engine) (Catalytic Converter Replacement - Right Side (6.0L Engine))Catalytic Converter Replacement - Right Side (3.6L Engine) (Catalytic Converter Replacement - Right Side (3.6L Engine)) .
10. Install the radiator air baffle and deflector. Refer to Radiator Air Upper Baffle and Deflector Replacement (Service and Repair) .
11. Connect the battery ground cable to the battery. Refer to Battery Negative Cable Disconnection and Connection (Service and Repair) .
12. Fill the cooling system. Refer to Cooling System Draining and Filling (Service and Repair) .
13. Inspect cooling system for coolant leaks.