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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Heating, Ventilation, And Air Conditioning System) >> Repair Instructions >> Air Conditioning Clutch Assembly Replacement (LWN)

Air Conditioning Clutch Assembly Replacement (LWN)

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
GM4850438Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Drive Belt @ Air Conditioning Compressor - Remove Drive Belt Replacement .
  2. Disconnect the electrical connector.
1 Air Conditioning Compressor Clutch Pulley Bolt
CAUTION:

Refer to Fastener Caution .


Procedure 
Use J-33027 - A  to hold the compressor clutch drive plate.
Tighten 
20.5 N.m (15 lb ft)
Special Tools 
J-33027 - A  Holding Wrench
Equivalent regional tools: Special Tools 
2 Air Conditioning Compressor Clutch Drive Plate
Procedure 
Measure and adjust the air conditioning compressor clutch drive plate per specification. Air Conditioning Clutch Drive Plate Adjustment .
3 Air Conditioning Compressor Clutch Drive Plate Adjustment Shim [3x]
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.
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.
7 Air Conditioning Compressor Clutch Coil
8 Air Conditioning Compressor Bracket Bolt
CAUTION:

Refer to Fastener Caution .


Tighten 
6 N.m (53 lb in)