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

Tools Required 

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

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: Aligning Shaft Key With Shaft Keyway In Clutch Plate & Hub Assembly

   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 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.
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.

   Fig 2: Installing J 33013-B & Bearing Tools Onto Clutch Plate & Hub Assembly

   Courtesy 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 in Cautions and Notices.
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: Installing Compressor Shaft Nut

    Courtesy of GENERAL MOTORS CORP.