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Thermal Expansion Valve Replacement - Auxiliary

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Fig 1: Identifying Auxiliary Evaporator Thermal Expansion Valve & Components
GM1689842Courtesy of GENERAL MOTORS CORP.
Thermal Expansion Valve Replacement - Auxiliary

Callout Component Name

Preliminary Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the retaining nut (2) and the auxiliary A/C evaporator tubes (3) from the auxiliary HVAC module. Refer to Evaporator Tube Replacement - Auxiliary .
1 Thermal Expansion Valve Bolt (Qty: 2)
NOTE: Refer to Fastener Notice .

Tighten:  16 N.m (12 lb ft)
2 Sealing Washer
Tip:  Remove and discard the sealing washer. Refer to Sealing Washer Replacement .
3 Thermal Expansion Valve
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