Heater Pipe Replacement - Auxiliary

REMOVAL PROCEDURE




1. Drain the cooling system. Refer to Draining and Filling Cooling System in Cooling System.
2. Remove the auxiliary heater pipes (1, 2) from the heater inlet and outlet tees (3, 4).
3. Loosen the right front wheelhouse to gain access to the clamp behind the wheelhouse. Refer to Wheelhouse Panel Replacement in Body Front End.
4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.




5. Remove the auxiliary heater pipes (2, 3) from the auxiliary heater core.




6. Remove the heater/A/C tubes retaining nut (4) from the stud (1) at the frame (6).
7. Remove the auxiliary heater pipes (2) from the clamps (5).
8. Remove the auxiliary heater pipes from the vehicle.

INSTALLATION PROCEDURE




1. Install the auxiliary healer pipes to the vehicle.
2. Install the auxiliary heater pipes (2) to the clamps (5).

NOTE: Refer to Fastener Notice in Service Precautions.

3. Install the heater/A/C tubes retaining nut (4)10 the stud (1) at the frame (6).

Tighten
Tighten the heater/A/C tubes retaining nut to 7 N.m (62 lb in).




4. Install the auxiliary heater pipes (2, 3) to the auxiliary heater core.
5. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.
6. Install the right front wheelhouse.




7. Install the auxiliary heater pipes (1, 2)10 the heater inlet and outlet tees (3, 4).
8. Fill the cooling system. Refer to Draining and Filling Cooling System.