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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1233 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Service Ports Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Replace the O-ring. Refer to O-Ring Replacement  .
    NOTE: Refer to FASTENER NOTICE .
  2. Install the service port valve.

    Tighten 

    Tighten the valve to 11 N.m (98 lb in).

  3. Evacuate and charge the system. Refer to Refrigerant Recovery And Recharging  .
  4. Leak test the A/C service port. Refer to Leak Testing  .
  5. Install the service port cap.
Fig 1: Installing Service Ports
G01482005Courtesy of GENERAL MOTORS CORP.
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