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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1280 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.
  1. Discharge and recover the refrigerant. Refer to REFRIGERANT RECOVERY AND RECHARGING  .
  2. Remove the evaporator inlet and outlet hoses from the evaporator tube assembly (3).
  3. Remove the grommet and insulator.
  4. Remove the two bolts (4) and expansion valve (2) from the evaporator.
  5. Remove and discard the O-rings (1).
Fig 1: Removing Thermal Expansion Valve
G01545434Courtesy of GENERAL MOTORS CORP.
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