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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1149 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Compressor Clutch Plate/Hub Assembly Install (V7 - Direct Mount) >> Tools Required

Tools Required

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  1. Install the shaft key into the hub key groove (4) approximately 3.2 mm (1/8 in) out of the keyway.

    The shaft key is curved slightly to provide an interference fit in the hub key groove.

  2. Clean the surfaces of the clutch plate (1) and the clutch rotor (2) before installing the clutch plate and hub assembly.
  3. Align the shaft key with the shaft keyway in the clutch plate and the hub assembly and place onto the A/C compressor shaft (3).
    Fig 1: Installing Compressor Clutch Plate/Hub Assembly
    G01418510Courtesy of GENERAL MOTORS CORP.
  4. Remove the J 33013-B  .
    1. 4.1 Remove the center screw from the body of the J 33013-B  .
    2. 4.2 Install the center screw into the opposite end of the J 33013-B  .
  5. Install the J 33013-B  and bearing tools (1) onto the clutch plate (3) and the hub assembly (2).
    1. 5.1 Back the body of the J 33013-B  off enough to allow the center screw to be threaded onto the end of the A/C compressor shaft.
    2. 5.2 Thread the center screw several turns onto the end of the A/C compressor shaft.

    Do not tighten the center screw on the A/C compressor shaft.

  6. Hold the center screw with a wrench.
    1. 6.1 Tighten the hex portion of the J 33013-B  body several turns.
    2. 6.2 Remove the J 33013-B  from the clutch plate and hub.
    3. 6.3 Make sure that the shaft key is still in place in the keyway.
    Fig 2: Installing J 33013 And Bearing Tools Onto Clutch Plate And Hub Assembly
    G01418511Courtesy of GENERAL MOTORS CORP.
  7. Reinstall the J 33013-B  .
  8. Place a feeler gage between the clutch plate and the clutch rotor.

    Important:  Make sure that the air gap is even all around the clutch plate and hub assembly.

  9. Tighten the hex portion of the J 33013-B  until the air gap between the clutch plate and clutch rotor is 0.40 mm (0.015 in).
    Fig 3: Placing Feeler Gage Between Clutch Plate And Clutch Rotor
    G01418512Courtesy of GENERAL MOTORS CORP.
  10. Remove the J 33013-B  .
  11. Hold the clutch plate and hub assembly (2) with the J 33027-A  .
    NOTE: Refer to FASTENER NOTICE .
  12. Install the A/C compressor shaft nut.

    Tighten 

    Tighten the nut to 17.5 N.m (13 lb ft).

  13. Spin the pulley rotor by hand to make sure the rotor is not rubbing against the clutch drive plate.
  14. Remove the A/C compressor from the J 41790  .
  15. Install the A/C compressor into the vehicle.
Fig 4: Installing A/C Compressor Shaft Nut
G01418513Courtesy of GENERAL MOTORS CORP.
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