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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1909 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Clutch Assembly Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean the mounting surfaces on the A/C clutch field coil and pulley.
    2. Fig 1: A/C Clutch Field Coil
    GM932572Courtesy of GENERAL MOTORS CORP.
  2. Install the A/C clutch field coil.
    3. Fig 2: Clutch Bearing/Pulley Assembly & Hub
    GM932576Courtesy of GENERAL MOTORS CORP.
  3. The A/C clutch bearing and pulley is a slip fit on the compressor. If correctly aligned the pulley should slip on easily.
    4. Fig 3: Pulley Snap Ring
    GM932542Courtesy of GENERAL MOTORS CORP.
  4. Use SA9149AC-8  to install the pulley snap ring with the bevel side out.
    5. Fig 4: Compressor Clutch Assembly & Spacer
    GM932532Courtesy of GENERAL MOTORS CORP.
  5. Install the shim(s).
  6. Install the drive plate and bolt.
    7. Fig 5: Measuring The Clearance Between The Pulley & Drive Plate Using A Feeler Gauge
    GM932582Courtesy of GENERAL MOTORS CORP.
  7. Using a feeler gage, measure the clearance between the pulley and the drive plate.

    Measure:  The clearance should be 0.35-0.65 mm (0.014-0.025 in).

  8. If necessary, adjust the clearance by adding or removing clutch hub shim(s).
    9. Fig 6: Identifying Special Tools - SA9510AC
    GM1913924Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Fastener Caution .
  9. Once the correct air gap is obtained, install a new clutch bolt. Use SA9510AC  to hold the disk and hub assembly while tightening.

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

  10. Install the compressor. Refer to Air Conditioning Compressor Replacement (HP5)  or Air Conditioning Compressor Replacement (LY7)  or Air Conditioning Compressor Replacement (LZ4)  or Air Conditioning Compressor Replacement (LAT, LE5) .
  11. Evacuate and charge the A/C system. Refer to Refrigerant Recovery and Recharging (With HP5)  or Refrigerant Recovery and Recharging (Without HP5) .
  12. Test the affected A/C joints for leaks using J 39400-A  . See Special Tools .
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