C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Hose/Line HVAC: Service and Repair
Auxiliary A/C System
Evaporator Tube
Front Evaporator Tube Location
Remove or Disconnect
1. Recover refrigerant.
2. Evaporator tube from evaporator.
3. O-ring seal.
4. Evaporator tube from condenser.
5. O-ring seal.
6. Evaporator tube from auxiliary evaporator hose.
7. O-ring seal.
8. Evaporator tube.
Install or Connect
1. Evaporator tube.
2. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
3. Evaporator tube to auxiliary evaporator hose.
Tighten
-
Evaporator tube to 24 N.m (18 lb ft).
4. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
5. Evaporator tube to condenser.
Tighten
-
Evaporator tube to 24 N.m (18 lb ft).
6. New O-ring seal.
-
Coat O-ring seal with 525 viscosity refrigerant oil.
7. Evaporator tube to evaporator.
Tighten
-
Evaporator tube to 24 N.m (18 lb ft).
8. Charge system.
9. Check system for leaks.
Rear Hose Assembly