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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating System, Ventilation System, And Air Conditioning System >> Repair Instructions >> Air Conditioning Compressor Replacement (L83 L86)

Air Conditioning Compressor Replacement (L83 L86)

Fig 1: Air Conditioning Compressor, Nut, Bolt And Stud
GM3238789Courtesy of GENERAL MOTORS COMPANY
Callout Component Name

Preliminary Procedures

  1. Refrigerant Recovery and Recharging (R-134A) Refrigerant Recovery and Recharging (R-1234yf) 
  2. Air Conditioning Compressor Belt Replacement
  3. Remove Air Conditioning Compressor Hose@Air Conditioning Compressor - Air Conditioning Compressor Hose Replacement (L83, L86) 
1 Air Conditioning Compressor Nut
CAUTION:

Refer to Fastener Caution .


Tighten 
22 N.m (16 lb ft)
2 Air Conditioning Compressor Stud
Tighten 
8 N.m (71 lb in)
3 Air Conditioning Compressor Bolt
Tighten 
22 N.m (16 lb ft)
4 Air Conditioning Compressor

Procedure

  1. Disconnect all electrical connectors from the air conditioning compressor.
  2. When replacing the air conditioning compressor, balance compressor oil. Air Conditioning Compressor Oil Balancing