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Installing Intake Manifold - Lower (L26): Installation

WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Lower Intake Manifold Bolt Tightening Sequence
    GM44774Courtesy of GENERAL MOTORS CORP.
  1. Clean the lower intake manifold sealing surface using GM P/N 12346139 (Canadian P/N 10953463) or equivalent prior to installing any seals or gaskets.
  2. Install the lower intake manifold gasket.
  3. Install the lower intake manifold.
  4. Apply threadlocker 272 GM P/N 12345493, (Canadian P/N 10953488) or the equivalent to the bolt threads.
    5. NOTE: Refer to Fastener Notice in General Information.
  5. Install the lower intake manifold bolts.

    Tighten:  Tighten the lower intake manifold bolts in sequence to 15 N.m (11 Ft. Lbs.).

    6. Fig 2: Identifying Generator Brace Bracket
    GM1335973Courtesy of GENERAL MOTORS CORP.
  6. Install the generator brace bracket (571).
  7. Install the generator brace bracket bolts (569, 570).

    Tighten:  Tighten the generator brace bracket bolts to 50 N.m (37 Ft. Lbs.).

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