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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1602 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Clutch Plate/Hub Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 GMC Sierra, 2003 GMC Cab & Chassis Sierra, 2003 Chevrolet Silverado, and 2003 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Clutch Plate Retaining Bolt, Assembly, Hub/Bearing Snap Ring & Assembly
G01478982Courtesy of GENERAL MOTORS CORP.
  1. Install the clutch coil (6) to the A/C compressor (7).
  2. Install the snap ring (5) to the clutch coil (6).
  3. Install the clutch hub/bearing assembly (4).
  4. Install the clutch hub/bearing snap ring (3).
  5. Place a small amount of oil on the thinnest air gap shim and place it inside the clutch plate.
    6. Fig 2: Identifying Compressor Clutch Plate
    GM872556Courtesy of GENERAL MOTORS CORP.
  6. Install the clutch plate assembly (2).
    7. Fig 3: Measuring Air Gap Between Pulley And Drive Plate
    GM187363Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure the drive plate does not drag against the pulley when the pulley is rotated.
  7. Measure the air gap between the pulley and the drive plate. Adjust the shims to achieve a 0.35-0.65 mm (0.014-0.026 in) air gap.
    8. NOTE: Refer to FASTENER NOTICE .
  8. Install the clutch plate retaining bolt (1).

    Tighten:  Tighten the bolt to 18 N.m (13 lb ft).

    9. Fig 4: A/C Belt Tensioner
    GM370869Courtesy of GENERAL MOTORS CORP.
  9. Install a ratchet into the A/C belt tensioner adapter opening.
  10. Rotate the A/C belt tensioner clockwise in order to relieve the tension on the belt.
  11. Install the A/C belt to the A/C compressor.
  12. Slowly release the tension on the A/C belt tensioner.
  13. Remove the ratchet from the A/C belt tensioner.
  14. Install the engine protection shield. Refer to ENGINE PROTECTION SHIELD REPLACEMENT .
  15. Lower the vehicle.
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