GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1998 🢒 Riviera 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Compressor Shaft Seal Install

Compressor Shaft Seal Install HT6/HD6

Tools Required

    • J 5403 Snap Ring Pliers
    • J 23128-A Seal Seat Remover and Installer
    • J 33011 O-Ring Installer
    • J 34614 Shaft Seal Protector

    Object Number: 210186 Size: SH

    Notice: Seals should not be re-used. Always use a new specification service seal kit. Be sure that the seal to be installed is not scratched or damaged in any way. Make sure that the seal is free of lint and dirt that could damage the seal surface or prevent sealing.

  1. Dip the new seal seat O-ring in clean 525 viscosity refrigerant oil. Assemble the new seal seat O-ring onto the J 33011 .
  2. Insert the J 33011 into the compressor neck until the installer bottoms.
  3. Lower the moveable slide of the J 33011 in order to release the O-ring into the seal O-ring lower groove. Do not release the O-ring into the compressor neck top groove.
  4. Rotate the J 33011 in order to seat the O-ring.
  5. Remove the J 33011 .

    6. Object Number: 258047 Size: SH
  6. Dip the new seal in clean 525 viscosity refrigerant oil. Assemble the seal to the J 23128-A by turning the handle clockwise.
  7. Engage the knurled tangs of the J 23128-A with the stamped steel case side of the lip seal (1) in order to ensure that the flared-out side of the lip seal (1) faces toward the compressor.

    8. Notice: Handling and care of the seal protector is important. If the seal protector is nicked or the bottom flared, the new seal may be damaged during installation.

  8. Install the seal using 1 of the 2 following methods:
  9. When using method 1 do the following:

    10. Object Number: 258043 Size: SH
  10. Install the J 34614 in the seal lip.
    11. 10.1. Place the seal lip over the compressor shaft.
    10.2. Push the seal (1) into place using a rotary motion.
  11. When using method 2 do the following:

    12. Object Number: 258048 Size: SH
  12. Place the J 34614 over the end of the compressor shaft.

    13. Object Number: 258050 Size: SH
  13. Slide the new seal (1) onto the shaft using a rotary motion until the seal stops.
    14. 13.1. Ensure that the seal contacts the O-ring. Do not dislodge the O-ring. Disengage the installer from the seal.
    13.2. Remove the J 23128-A and the J 34614 .

    Object Number: 258064 Size: SH
  14. Using the J 5403 , install the new seal retainer ring (1) with the flat side against the seal. Use the sleeve from J 33011 in order to press in the seal retainer in order to ensure that the seal snaps into the groove.
  15. Leak test the compressor. Refer to Compressor Leak Testing .
  16. Remove any excess oil from the shaft and from the inside of the compressor neck.
  17. Install the clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Install (HT6/HD6) .
  18. Remove the compressor from the J 34992 .

Compressor Shaft Seal Install V5 - Conventional Mount

Tools Required

    • J 5403 Snap Ring Pliers
    • J 23128-A Seal Seat Installer And Remover
    • J 33011 O-Ring Installer
    • J 34614 Shaft Seal Protector

    Object Number: 210186 Size: SH

    Notice: Seals should not be re-used. Always use a new specification service seal kit. Be sure that the seal to be installed is not scratched or damaged in any way. Make sure that the seal is free of lint and dirt that could damage the seal surface or prevent sealing.

  1. Thoroughly clean the seal O-ring groove in the front head.
  2. Dip the new seal O-ring in clean 525 viscosity refrigerant oil.

    3. Notice: Any attempt to use makeshift or inadequate service tools or equipment may result in damage and/or improper compressor operation.

  3. Assemble the O-ring onto the J 33011 .
  4. Install the O-ring.
    5. 4.1. Insert the J 33011 into the compressor neck until the installer bottoms out.

            Important: The top groove in the compressor neck is for the shaft seal retainer ring.

    4.2. Lower the moveable slide of the J 33011 in order to release the O-ring into the seal O-ring lower grove.
    4.3. Rotate the J 33011 in order to seat the O-ring.
    4.4. Remove the installer.

    Object Number: 210212 Size: SH
  5. Dip the new shaft seal in clean 525 viscosity refrigerant oil.
  6. Assemble the seal to the J 23128-A by turning the handle clockwise.
    7. 6.1. Ensure that the stamped steel case side of the lip seal engages with the knurled tangs of the J 23128-A .
    6.2. Ensure that the flared-out side of the lip seal faces toward the compressor.

    Notice: Use care when handling the seal protector. Do not nick the seal protector. This may damage the seal during installation. Ensure that the bottom of the seal protector is not flared. This may damage the seal during installation.

  7. Install the J 34614 on the lip seal.
  8. Install the lip seal onto the shaft.
    9. 8.1. Place the J 34614 over the end of the compressor shaft.
    8.2. Slide the new seal onto the shaft using a rotary motion of the J 23128-A .
    8.3. Ensure that the seal makes good contact with the O-ring.

    Do not dislodge the O-ring.

    8.4. Disengage the J 23128-A from the seal.
    8.5. Remove the J 23128-A and the J 34614 from the compressor.

    Object Number: 237126 Size: SH
  9. Use the J 5403 in order to install the new seal retainer ring with the flat side against the seal.
  10. Use the sleeve of theJ 33011 in order to press in the seal retainer ring. Ensure that the ring snaps into the groove.
  11. Leak test the compressor. Refer to Compressor Leak Testing (V5 -- Conventional Mount).
  12. Remove any excess oil from the shaft and the inside of the compressor neck.
  13. Install the clutch plate and hub assembly. Refer to Compressor Leak Testing (V5 -- Conventional Mount).
  14. Install the compressor and the compressor belt. Tighten the bracket.
  15. Evacuate and charge the refrigerant system using the J 39500-B .