Heater Hose Assembly Replacement (Upper)

Heater Hose Assembly Replacement (Upper)

Special Tools

J 38185 Hose Clamp Pliers

Removal Procedure

Warning: Refer to Safety Glasses Warning (Safety Glasses Warning).

1. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair).
2. Drain the cooling system. Refer to Cooling System Draining and Filling (3.6 L) (Service and Repair)Cooling System Draining and Filling (6.0 L) (Service and Repair).





Note: Mark position of heater hoses (3) and heater hose retaining clamps (1) before removal to make sure of correct alignment during assembly.

3. Using J 38185 compress the heater hose retaining clamps (1) and slide 50 mm (2 in) along the heater hose (3).
4. Disconnect the heater hoses (3) from the heater core pipes (2).





Note: Using a suitable tool, detach the upper heater hose (1) by releasing the heater hose quick connect fitting retaining clip (2).

5. Detach the upper heater hose (1) from the heater hose quick connect fitting (2).
6. Remove the upper heater hose (1).

Installation Procedure





Note: Listen for an audible click to confirm fitting.

1. Connect the upper heater hose (1) to the heater hose quick connect fitting (2).





Caution: Refer to Installing Hoses without Twists or Bends Caution (Installing Hoses without Twists or Bends Caution).

Note: If reusing the heater hoses (3), align the heater hoses (3) with the marks made on the heater core pipes (2) during the removal procedure.

2. Connect the heater hoses (3) to the heater core pipes (2).
3. Using J 38185 slide the heater hose retaining clamps (1) back into the original position on the heater hoses (3).
4. Fill the cooling system. Refer to Cooling System Draining and Filling (3.6 L) (Service and Repair)Cooling System Draining and Filling (6.0 L) (Service and Repair).
5. Install the engine cover. Refer to Engine Cover Replacement (Service and Repair).