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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1100 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Thermal Expansion Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the instrument panel (I/P) carrier. Refer to Instrument Panel Carrier Replacement .
    2. Fig 1: View Of TXV Insulation
    GM802735Courtesy of GENERAL MOTORS CORP.
  2. Remove the insulation (1) from the thermal expansion valve (TXV). Discard the used insulation.
    3. Fig 2: View Of HVAC Line Clamp Screw
    GM817514Courtesy of GENERAL MOTORS CORP.
  3. Remove the HVAC line clamp screw.
    4. Fig 3: View Of HVAC Line Clamp
    GM817516Courtesy of GENERAL MOTORS CORP.
  4. Remove the HVAC line clamp.
    5. Fig 4: View Of TXV To Evaporator Bolts
    GM802742Courtesy of GENERAL MOTORS CORP.
  5. Remove the bolts (1) that secure the TXV to the evaporator.
    6. Fig 5: View Of TXV Line Bracket
    GM802746Courtesy of GENERAL MOTORS CORP.
  6. Remove the TXV line bracket.
    7. Fig 6: View Of TXV Evaporator Core
    GM802747Courtesy of GENERAL MOTORS CORP.
  7. Remove the TXV from the evaporator core.
  8. Separate the TXV from the A/C lines by pulling straight out.
  9. Remove the TXV.
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