GM Service Manual Online
For 1990-2009 cars only

Object Number: 1711579  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. Remove the radiator air deflector. Refer to Radiator Air Baffle Assemblies and Deflectors.
  6. Disconnect the A/C compressor electrical connector.

1

A/C Compressor Hose Nut (Qty: 2)

Caution: Refer to Fastener Caution in the Preface section.

Tip
Remove the A/C compressor hose from the A/C compressor and cap hose.

Tighten
20 N·m (15 lb ft)

2

Sealing Washer

Tip
Remove and discard sealing washers. Refer to Sealing Washer Replacement.

3

A/C Compressor Nut

Tip
Tighten in sequence with A/C compressor mounting bolts.

Tighten
50 N·m (37 lb ft)

4

A/C Compressor Bolt

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

Tighten
50 N·m (37 lb ft)

5

A/C Compressor Assembly

Procedure

  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 detector , leak test A/C compressor fittings.

Special Tools

J-39400 Electronic Halogen Leak Detector