GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2003 🢒 L300/LW300 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Compressor Clutch Assembly Replacement

Tools Required

    • SA9149AC-2 Puller Center
    • SA9149AC-3 Drive Plate Installer

Removal Procedure

    Object Number: 893641 Size: SH
  1. Remove the compressor from the vehicle. Refer to Air Conditioning Compressor Replacement .
  2. Remove the clutch drive plate bolt.

    3. Use a screwdriver to prevent drive plate from turning.


    Object Number: 893643 Size: SH

    Important: Be careful not to lose the shims when removing the drive plate from the compressor shaft.

  3. Remove the drive plate from the pulley using a screwdriver with a thin blade.

    4. Object Number: 893349 Size: SH
  4. Remove the snap ring using external snap ring pliers.

    5. Object Number: 893350 Size: SH

    Notice: Do not remove pulley without puller adapter. If A/C compressor shaft is pressed on, A/C compressor will be damaged.

  5. Position the SA9149AC-2 on the end of the A/C compressor shaft.

    6. Important: Ensure to hook the puller jaw behind the pulley only, not the coil.

  6. Install the three-jaw puller on the A/C compressor pulley.
  7. Tighten the center bolt to remove the pulley assembly.

    8. Object Number: 893351 Size: SH

    Important: To enable easier removal of screws, lightly tap on the end of the screwdriver with a plastic hammer.

  8. Remove the A/C compressor clutch coil screws.
  9. Remove the A/C compressor clutch coil.

Installation Procedure

    Object Number: 893351 Size: SH
  1. Install the A/C compressor clutch coil to the A/C compressor.

    2. Position the A/C compressor clutch coil so that the electrical connector is aligned with the indent in compressor front head.

    Notice: Refer to Fastener Notice in the Preface section.

  2. Install the A/C compressor clutch coil screws.

    3. Tighten
    Tighten the screws to 5 N·m (44 lb in).


    Object Number: 893355 Size: SH
  3. Place the thrust bearing and the SA9149AC-3 on the installation bolt and insert through the center of the pulley.
  4. Thread the installation bolt into the end of A/C compressor shaft and hand tighten.

    5. Object Number: 893358 Size: SH
  5. Hand tighten the nut on the installation bolt to align the pulley to the A/C compressor.
  6. While holding the end of the bolt, tighten the nut until the pulley bottoms out on the A/C compressor.
  7. Loosen the nut and remove the pulley installation bolt.

    8. Object Number: 893349 Size: SH
  8. Install the snap ring with the tapered side out using the snap ring pliers.

    9. Object Number: 893644 Size: SH
  9. Install the shims removed from the old drive plate into the clutch drive plate.
  10. Install the clutch drive plate and shims onto the compressor shaft.

    11. Object Number: 893641 Size: SH
  11. Install the clutch drive plate bolt.

    12. Use a screwdriver to hold the clutch drive plate.

    Tighten
    Tighten the bolt to 12 N·m (106 lb in).


    Object Number: 893645 Size: SH

    Important: Make certain that the drive plate does not drag against the pulley when the pulley is rotated.

  12. Measure the air gap between the pulley and the drive plate. Adjust the shims to achieve a 0.3-0.6 mm (0.012-0.024 in) air gap.