LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 864 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Compressor Oil Balancing >> Balancing Procedure

Balancing Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: The refrigerant oil in the A/C system must be balanced during compressor replacement.
    Fig 1: Draining A/C Refrigerant Oil From Compressor
    GM821777Courtesy of GENERAL MOTORS CORP.
  1. Before installing the compressor, the refrigerant oil will have to be fully drained.
  2. Add back the same quantity of polyalkylene glycol (PAG) oil as drained from the removed compressor.

    Refer to the amount of refrigerant oil recorded during the compressor removal.