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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G3500, VAN PASSENGER EXTENDEDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 293 (HEATING, VENTILATION, AND AIR CONDITIONING)REPAIR INSTRUCTIONSCOMPRESSOR CLUTCH PLATE/HUB ASSEMBLY REPLACEMENT
2008 Chevrolet Chevy Express G3500, Van Passenger Extended

Compressor Clutch Plate/Hub Assembly Replacement

2008 Chevrolet Chevy Express G3500, Van Passenger ExtendedSECTION Compressor Clutch Plate/Hub Assembly Replacement
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Compressor Clutch Plate/Hub Assembly Replacement
GM2073609Courtesy of GENERAL MOTORS CORP.
Callout Component Name

Preliminary Procedure

  1. Remove the air conditioning compressor belt. Refer to Air Conditioning Compressor Belt Replacement .
  2. Remove the air conditioning compressor if necessary. Refer to Air Conditioning Compressor Replacement (LY2, LY5, LH6, L76, L92 and LMG)  or Air Conditioning Compressor Replacement (HP2) 

    .

  3. Disconnect the electrical connector from the air conditioning compressor.
1 Air Conditioning Compressor Pulley Bolt.
NOTE: Refer to Fastener Notice .

Tighten:  18 N.m (13 lb ft)
2 Air Conditioning Clutch Drive Plate.
Procedure: 
Measure and adjust the air conditioning compressor clutch drive plate per specification. Refer to Air Conditioning Clutch Drive Plate Adjustment .
3 Air Conditioning Compressor Clutch Drive Plate Adjustment Shim.
4 Air Conditioning Compressor Clutch Pulley Snap Ring.
Procedure: 
Ensure the clutch pulley snap ring is installed with the flat side toward the air compressor. Note the rounded off portion of the snap ring per illustration, will be on the right side upon proper installation.
5 Air Conditioning Compressor Clutch Pulley.
6 Air Conditioning Compressor Clutch Coil Snap Ring.
Procedure: 
Ensure the clutch coil snap ring is installed with the flat side toward the air compressor. Note the larger portion of the snap ring per illustration, will be on the right side upon proper installation.
7 Air Conditioning Compressor Clutch Coil.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.