C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Accumulator HVAC: Service and Repair
Accumulator
Tool Required:
J 38042 Dual O-Ring Tube Separator
Remove or Disconnect
1. Negative battery cable.
2. Recover refrigerant.
3. Electrical connectors, as necessary.
4. Pressure cycling switch.
5. Refrigerant hose from accumulator using J 38042.
6. Accumulator from the evaporator using J 38042.
7. O-ring seals from accumulator.
Important
-
Cap or plug all open connections.
8. . Accumulator bracket screw.
9. Accumulator.
10. Upper and lower accumulator insulators.
Install or Connect
1. Upper and lower accumulator insulators.
2. Accumulator.
3. Accumulator bracket screw.
Tighten
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Screw to 6 N.m (53 lb in).
4. New O-ring seals.
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Coat O-ring seals with 525 viscosity refrigerant oil.
5. Accumulator to the evaporator.
Tighten
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Accumulator to 41 N.m (30 lb ft).