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Home › Cadillac › 2003 › Escalade EXT › Repair and Diagnosis › External Pages › Different car › Section 644 (Engine Controls - 2.6L & 3.2L - Introduction) › Repair Instructions › Intake Plenum Switchover Valve Replacement › Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: Ensure the O-ring Discard the O-ring seal is properly positioned to the switchover valve.
    Fig 1: Identifying Intake Plenum Switchover Valve Bolts
    GM819410Courtesy of GENERAL MOTORS CORP.
  1. Install the intake plenum switchover valve with O-ring seal into the intake plenum.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the intake plenum switchover valve bolts.

    Tighten:  Tighten the intake plenum switchover valve bolts to 8 N.m (71 lb in).

  3. Connect the vacuum hose to the intake plenum switchover valve.
  4. Install the intake plenum. Refer to Intake Plenum Replacement in Engine Mechanical-2.6L and 3.2L.
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