Auxiliary Heater Inlet/Outlet Pipes

Heater Hoses Dash Side:

Rear Heater Pipes:

Rear Heater Pipes (Middle Front Bracket):

Rear Heater Pipes (Middle Rear Bracket):

Rear Heater Pipes (Rear Bracket):

The rear heater lines cannot be serviced as a complete unit, only as a sectional repair. The different sections of line are available through GMSPO, and the procedure for repairing the lines can be found in "Rear A/C and Heater Line Repair".