C 1500 Suburban 2WD V8-5.7L VIN R (1996)
Auxiliary Heater Module
Remove or Disconnect
1. Recover refrigerant.
2. Air cleaner assembly.
3. Evaporator tube from auxiliary evaporator hose.
4. O-ring seal.
5. Refrigerant hose assembly from auxiliary compressor hose.
6. O-ring seal.
7. Right front wheelhouse.
8. Auxiliary evaporator hose from auxiliary evaporator.
9. O-ring seal.
10. Auxiliary compressor hose from auxiliary evaporator.
11. O-ring seal.
12. Screws.
13. Hose clips.
14. Auxiliary evaporator hose.
15. Auxiliary compressor hose.
Install or Connect
1. Auxiliary compressor hose.
2. Auxiliary evaporator hose.
3. Hose clips.
4. Screws. Tighten Screws to 6 Nm (53 lb in).
5. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
6. Auxiliary compressor hose to auxiliary evaporator. Tighten Auxiliary compressor hose to 32 Nm (24 lb ft).
7. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
8. Auxiliary evaporator hose to auxiliary evaporator. Tighten Auxiliary evaporator hose to 17 Nm (13 lb ft).
9. Right front wheelhouse.
10. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
11. Refrigerant hose assembly to auxiliary compressor hose. Tighten Refrigerant hose assembly to 24 Nm (18 lb ft).
Lower the vehicle.
12. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
