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Home >> Chevrolet >> 2006 >> Cobalt LTZ >> Repair and Diagnosis >> External Pages >> Different car >> Section 641 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of TXV
    GM872568Courtesy of GENERAL MOTORS CORP.
  1. Install new seal washers to the evaporator core fittings. Refer to Sealing Washer Replacement .
  2. Install the TXV.
    3. NOTE: Refer to Fastener Notice .
  3. Install the TXV bolts.

    Tighten:  Tighten the bolts to 7 N.m (62 lb in).

    4. Fig 2: View Of Evaporator Tube & Compressor Suction Hose At TXV
    GM872539Courtesy of GENERAL MOTORS CORP.
  4. Install new sealing washers on the condenser tube and evaporator hose fittings. Refer to Sealing Washer Replacement .
  5. Install the condenser tube and evaporator hose to the TXV.
  6. Install the TXV nut.

    Tighten:  Tighten the nut to 20 N.m (15 lb ft).

  7. Evacuate and charge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  8. Leak test the fittings using the J 39400-A  . See Special Tools .
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