C 1500 Truck 2WD V6-262 4.3L VIN Z (1992)
Compressor Shaft Seal: Service and Repair
With HR100T/HR110T Compressor
Shaft Seal Design
The shaft seal is a lip seal, one piece design.
Seal Leak Detection
A shaft seal should not be changed because of an oil-line on the hood insulator. Only change a shaft seal when a leak is detected by evidence of oil
sprayed in large amounts and then only after actual refrigerant leakage is found by using an approved leak Detector such as 3 29547 or equivalent.
On-Vehicle
Remove or Disconnect
1. Recover Refrigerant.
2. Loosen and reposition compressor in mounting brackets, if necessary.
3. Remove Clutch Plate and Hub assembly from compressor.
4. Remove the shaft seal seat retainer ring, using Snap Ring Pliers J 5403.
5. Thoroughly clean inside of compressor neck area and O-ring groove surrounding the shaft, the exposed portion of the seal seat and the shaft itself.
Any dirt or foreign material getting into compressor may cause damage.
6. Remove Lip Seal:
