Auxiliary Heater Pipe Replacement - Rear

Auxiliary Heater Pipe Replacement - Rear

Tools Required

SA9111E Hose Clamp Pliers

Removal Procedure




1. Disconnect the heater inlet and outlet hoses from the auxiliary heater inlet/outlet pipes using SA9111E.
2. Drain the coolant system. Refer to Draining and Filling Cooling System (Static Fill LZ9) Draining and Filling Cooling System (Vac-N-Fill).
3. Raise and support the vehicle. Refer to Vehicle Lifting.
4. Remove the auxiliary heater inlet/outlet pipe clip nut (1).




5. Remove the auxiliary heater inlet/outlet pipe clip nut (1).




6. Remove the auxiliary heater inlet/outlet pipe clip (1).




7. Remove the auxiliary heater inlet/outlet pipe (2) clip nut (1).




8. Remove the auxiliary heater inlet/outlet pipe clip (1).




9. Remove the auxiliary inlet/outlet pipe (2) clip nut (1).




10. Using the SA9111E disconnect the auxiliary heater inlet/outlet hoses (2) at the rear of the vehicle.
11. Remove the auxiliary heater inlet/outlet hose assembly.

Installation Procedure




1. Install the auxiliary heater inlet/outlet hoses (2) to the rear of the vehicle.
2. Using a small flat-bladed screwdriver, release the hose clamp retention locks.






Notice: Refer to Fastener Notice.

3. Install the auxiliary inlet/outlet pipe (2) clip nut (1).

Tighten the nut to 10 N.m (89 lb in).




4. Install the auxiliary heater inlet/outlet pipe clip (1).




5. Install the auxiliary heater inlet/outlet pipe (2) clip nut (1).

Tighten the nut to 10 N.m (89 lb in).




6. Install the auxiliary heater inlet/outlet pipe clip (1).




7. Install the auxiliary heater inlet/outlet pipe clip nut (1).

Tighten the nut to 10 N.m (89 lb in).

8. Lower the vehicle.




9. Install the auxiliary heater inlet/outlet pipe clip nut (1).

Tighten the nut to 10 N.m (89 lb in).

10. Install the heater inlet and outlet hoses to the auxiliary heater inlet/outlet pipes.
11. Using a small flat-bladed screwdriver, release the hose clamp retention locks.
12. Fill the coolant system. Refer to Draining and Filling Cooling System (Static Fill LZ9) Draining and Filling Cooling System (Vac-N-Fill).