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Installation Procedure

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    Fig 1: Locating Evaporator Tube Components
    GM735915Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Install the shorter screen end of the expansion tube into the evaporator tube (6) first.
  1. Use the J 26549-E  in order to install the expansion tube. See Special Tools and Equipment .
  2. Install the new O-ring seal. Refer to O-Ring Replacement .
  3. Assemble the evaporator tubes (4, 6).
    4. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  4. Install the evaporator tube nut.

    Tighten:  Tighten the nut to 28 N.m (21 lb ft).

    5. Fig 2: Locating Evaporator Tube Components
    GM735916Courtesy of GENERAL MOTORS CORP.
  5. Connect the evaporator tube (4) to the evaporator (1).
  6. Install the nut (3).

    Tighten:  Tighten the nut to 28 N.m (21 lb ft).

  7. Install the coolant reservoir. Refer to Coolant Recovery Reservoir Replacement in Engine Cooling.
  8. Install the accumulator. Refer to Accumulator Replacement .
  9. Recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging .
  10. Leak test the fittings of the components using the J 39400-A  . See Special Tools and Equipment .
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