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Home >> Chevrolet >> 2006 >> Uplander Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Service Ports Replacement >> Installation Procedure

Installation Procedure

    Fig 1: View Of Service Ports
    GM1547625Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT allow any of the mineral base 525 viscosity oil on the NEW O-ring to enter the refrigerant system.
  1. Lightly coat the NEW O-ring seal with mineral base 525 viscosity refrigerant oil.
  2. Install the O-ring seal (3) onto the valve if necessary.
    3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the A/C refrigerant valve (2).

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

  4. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  5. Leak test the fitting valve area using the J 39400-A  .
  6. Install the service port cap (1).
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