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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.6L & 3.2L - Introduction >> Repair Instructions >> Intake Plenum Switchover Valve Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the intake plenum. Refer to Intake Plenum Replacement in Engine Mechanical-2.6L and 3.2L.
    2. Fig 1: Identifying Intake Plenum Switchover Valve Bolts
    GM819410Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the vacuum hose from the intake plenum switchover valve.
  3. Remove the intake plenum switchover valve bolts.
  4. Remove the intake plenum switchover valve and O-ring seal from the intake plenum.

    Discard the O-ring seal.

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