Compressor Clutch Plate/Hub Assembly Install (V5 - Direct Mount)

Tools Required 

• J 33013-B  Hub and Drive Plate Remover/Installer
• J 33027-A  Clutch Hub Holding Tool
• J 33017  Pulley and Bearing Installer
• J 41790  Compressor Holding Fixture

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 compressor shaft (3).
   Fig 1: Clutch Plate, Rotor, Compressor Shaft & Hub Key Groove

   Courtesy of GENERAL MOTORS CORP.
4. Remove the J 33013-B  .
   1. 4.1. Remove the center screw from the body of the hub and drive plate installer.
   2. 4.2. Install the center screw into the opposite end of the hub and drive plate installer.
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 hub and drive plate installer tool off enough to allow the center screw to be threaded onto the end of the compressor shaft.
   2. 5.2. Thread the center screw several turns onto the end of the compressor shaft.

   Do not tighten the center screw on the compressor shaft.

6. Hold the center screw with a wrench.
   1. 6.1. Tighten the hex portion of the hub and drive plate installer body several turns.
   2. 6.2. Remove the hub and drive plate installer from the clutch plate and hub.
   3. 6.3. Make sure that the shaft key is still in place in the keyway.
      Fig 2: Clutch Plate & Hub Assembly

      Courtesy of GENERAL MOTORS CORP.
7. Reinstall the J 33013-B  .
8. Place a feeler gage between the clutch plate and the clutch rotor.
9. Tighten the hex portion of the hub and drive plate installer until the air gap between the clutch plate and clutch rotor is 0.40 mm (0.015 in).

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

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 compressor shaft nut.

    Tighten 

    Tighten the compressor shaft nut to 17 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 compressor from the J 41790  .
    Fig 3: Clutch Plate & Hub Assembly

    Courtesy of GENERAL MOTORS CORP.