GM Service Manual Online
For 1990-2009 cars only

Compressor Shaft Seal Install V5 - Direct Mount

Tools Required

    • J 9625-A Leak Test Adaptor
    • J 42136 A/C Lip Seal Remover
    • J 34614 Shaft Seal Protector

    Object Number: 157231  Size: SH
  1. Dip the new compressor shaft seal (1) in clean 525 viscosity refrigerant oil and assemble the seal onto the J 42136 , by turning the handle clockwise.
  2. Install the J 34614 onto the compressor shaft.
  3. Using a rotary motion, slide the new compressor shaft seal onto the compressor shaft until the seal is fully seated.
  4. Remove the J 42136 by turning the handle counter clockwise.

  5. Object Number: 157228  Size: SH
  6. Install a new compressor shaft seal retaining ring (2), using internal snap ring pliers (1).
  7. Make sure that the chamfer side of the retaining ring is facing up and that the retaining ring snaps into the groove.


    Object Number: 157239  Size: SH
  8. Leak test the compressor, using J 39393 Leak Test Adaptor.
  9. 6.1. Install the J 9625-A onto the compressor and pressurize the suction and high-side of the compressor with R-134a.
    6.2. Temporarily install the shaft nut.
    6.3. With the compressor in a horizontal position, rotate the compressor shaft in the normal direction of rotation, several turns by hand.
    6.4. Leak test the seal area and repair if necessary.

    Remove the shaft nut.

  10. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
  11. Remove and clean any excess oil resulting from installing the new seal parts from the shaft and inside the compressor neck.
  12. Install the compressor clutch plate and hub assembly. Refer to Compressor Clutch Plate/Hub Assembly Install .
  13. Remove the compressor from the J 41790-A .