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HOMESERVICE MANUALSBUICK1971SPORTWAGON 5.7L ENG, ENG CD TC, STANDARD TRANSREPAIR AND DIAGNOSIS (SINGLE PAGE)HEATING, VENTILATION & A/C (HVAC)HVAC CONTROL SYSTEMSCOMPRESSOR SEAL REPLACEMENT TOOLSGENERAL MOTORS 6-CYLINDER COMPRESSORSEAL REMOVAL
1971 Buick Sportwagon 5.7L Eng, Eng CD TC, Standard Trans

Seal Removal

1971 Buick Sportwagon 5.7L Eng, Eng CD TC, Standard TransSECTION Seal Removal
  1. MOUNT COMPRESSOR 

    Install compressor on base plate stand on bench with drive end upright.

    Fig 1: Base - Plate
    G09311190Courtesy of CHRYSLER GROUP, LLC
  2. REMOVE SHAFT NUT 

    Hold clutch hub stationary using spanner wrench tool, use 9/16" thin-wall deep socket to remove nut from end of shaft.

    Fig 2: Clutch Holder Spanner Wrench
    G09311191Courtesy of CHRYSLER GROUP, LLC
  3. REMOVE SNAP RING 

    Remove internal snap ring visible within compressor neck using snap ring pliers.

    Fig 3: Internal Snap Ring Pliers
    G09311192Courtesy of CHRYSLER GROUP, LLC
  4. REMOVE WASHER 

    Lift out washer on end of compressor shaft (washer will be freed by snap ring removal).

    Fig 4: Tools - Small Magnet
    G09311193Courtesy of CHRYSLER GROUP, LLC
  5. REMOVE CLUTCH HUB 
    1. Engage threads on outer surface of clutch hub removing tool with threads on inner diameter of clutch hub and screw the tool down into the hub.
    2. Hold tool with wrench on large hexagonal section, use second wrench to turn inner bolt down into tool. This will pull hub off shaft without disturbing shaft position in compressor.
    3. Lift clutch hub off and remove tool from hub. Remove key from key way in shaft.
      Fig 5: Hub & Drive Plate Remover
      G09311194Courtesy of CHRYSLER GROUP, LLC
  6. REMOVE SLEEVE 
    NOTE: An absorbent felt sleeve and metal sleeve retainer are used on most compressors beginning in 1967. When found, remove as follows:

    Pry concave metal retainer out of upper end of compressor neck, remove felt sleeve from around inner circumference of neck using care to remove all traces of felt. Discard these parts.

  7. CLEANING 

    Thoroughly clean entire area within compressor neck, around seal, and exposed part of compressor shaft. This is very important to prevent foreign material getting into compressor when seal removed. 

  8. REMOVE SNAP RING 

    Using internal snap ring pliers, reach down into compressor neck recess and remove snap ring retaining seal seat. Discard this snap ring.

    Fig 6: Internal Snap Ring Pliers
    G09311195Courtesy of CHRYSLER GROUP, LLC
  9. REMOVE SEAL SEAT 

    STEEL SEAL SEAT 

    NOTE: This type seal seat used on all compressors prior to 1969 and some later compressors. Can be identified by flanged lip on upper inner diameter of seal seat.

    Using tong type seal seat remover tool, grasp flange on upper inner edge of seal seat firmly with tongs and pull seal seat up and off shaft with a twisting motion.

    NOTE: If seat is stuck and tongs tend to slip off, invert seal remover and installer tool over tong legs and slide it down so that seat flange is clamped in tool tongs.
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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