GM Service Manual Online
For 1990-2009 cars only

Object Number: 1860691  Size: MF

Callout

Component Name

Preliminary Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the right front fender liner. Refer to Front Wheelhouse Liner Replacement .
  5. Disconnect the A/C compressor electrical connector.
  6. Remove the A/C suction hose from the A/C compressor and cap hose. Refer to Suction Hose Replacement .
  7. Remove the A/C discharge hose from the A/C compressor and cap hose. Refer to Discharge Hose Replacement .

1

A/C Compressor Bolt (Qty: 3)

Notice: Refer to Fastener Notice in the Preface section.

Tip
Tighten the A/C compressor mounting bolts and nut in sequence.

Tighten
50 N·m (37 lb ft)

2

A/C Compressor Nut

Tighten
50 N·m (37 lb ft)

3

A/C Compressor Assembly

Procedure

    • Replacement of the desiccant cartridge is required upon new compressor replacement. Refer to Air Conditioning Refrigerant Desiccant Replacement .
    • Install suction screen after a major compressor failure. Refer to Suction Screen Installation .

Tip

  1. Use a low viscosity, poly-alkylene glycol (PAG) oil. Use of the incorrect oil can result in compressor failure.
  2. When replacing the A/C compressor, balance the compressor. Refer to Air Conditioning Compressor Oil Balancing .
  3. Using J 39400 leak test A/C compressor fittings.