GMC chervolet camaro 1999 Service Manual page 150

HVAC
Compressor Shaft Seal Removal
(VS - Conventional Mount)
Tools Required
• J 39400-A Leak Detector
• J 5403 Snap Ring Pliers
• J 23128-A Seal Seat Installer And Remover
• J 39400-A Leak Detector
• J
39500-8 R-134a Air Conditioning Recovery,
Recycling And Recharging System
Important: Do not change a shaft seal because of
small amounts of oil found on an adjacent surface. The
seal allows some oil to pass for lubrication purposes.
Change the shaft seal when the following
conditions exist:
• A large amount of sprayed oil is found.
• Actual refrigerant leak is found, using a J 39400-A
or equivalent.
1. Recover the refrigerant using the J 39500-8.
2. Loosen the compressor in the mounting brackets.
Reposition the compressor.
3. Remove the clutch plate and hub assembly. Refer
to Compressor Clutch Plate and Hub Assembly
Removal (VS - Conventional Mount).
4. Remove the shaft seal retaining ring using
the J 5403.
5. In order to prevent dirt or foreign material from
damaging the compressor, thoroughly clean the
following parts:
• The inside of the compressor neck area
surrounding the shaft
• The exposed portion of the seal
• The compressor shaft
• The 0-ring groove
HVAC System - Manual 1-59
237126