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Home >> Chevrolet >> 2005 >> Aveo Base, 4D Hatchback >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Ventilation And Air Conditioning >> Repair Instructions >> Thermal Expansion Valve Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Expansion Valve Connector Block & Retaining Bolts
    GM1251937Courtesy of GENERAL MOTORS CORP.
  1. Clean the O-ring surface areas of dirt or contamination.
  2. Install new O-rings on the evaporator tubes.
  3. Install a new expansion valve onto the evaporator tubes.
    4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Install the expansion valve retaining bolts.

    Tighten:  Tighten the expansion valve retaining bolts to 12 N.m (106 lb in).

    5. Fig 2: Liquid Evaporator Pipe Connector Block & Retaining Nut
    GM1251935Courtesy of GENERAL MOTORS CORP.
  5. Install the liquid evaporator pipe connecting block retaining nut at the cowl.

    Tighten:  Tighten the liquid evaporator pipe connecting block retaining nut to 15 N.m (11 lb in).

  6. Connect the negative battery cable.
  7. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
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