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Installation Procedure

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    IMPORTANT: If replacing the accumulator, add the refrigerant oil to the accumulator. Refer to Refrigerant System Capacities  for the capacity information.
  1. Install the accumulator to the vehicle.
  2. Install the accumulator into the accumulator clamp.
    3. NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
  3. Install the accumulator clamp nut.

    Tighten:  Tighten the nut to 10 N.m (88 lb in).

  4. Install the A/C low pressure switch.

    Tighten:  Tighten the A/C low pressure switch to 5 N.m (44 lb in).

    5. Fig 1: Accumulator
    GM735909Courtesy of GENERAL MOTORS CORP.
  5. Install new O-ring seals. Refer to O-Ring Replacement .
  6. Install the accumulator to the evaporator.
  7. Install the accumulator retaining nut.

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

  8. Connect the compressor suction hose to the accumulator (4).
  9. Install the suction hose nut.

    Tighten:  Tighten the nut to 48 N.m (35 lb ft).

  10. Connect the electrical connector to the A/C low pressure switch.
  11. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  12. Leak test the fitting of the component using the J 39400-A  . See Special Tools and Equipment .
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