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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1128 (Engine Mechanical (Repair Instructions 3 Of 5) - 3.6L (Ly7)) >> Repair Instructions (Off-Vehicle Repair Instructions - Part 2) >> Intake Manifold Assemble >> Upper to Lower Intake Manifold Assemble Procedure

Upper to Lower Intake Manifold Assemble Procedure

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing/Removing Upper-To-Lower Intake Manifold Gaskets
    GM1408446Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not reuse the upper-to-lower intake manifold gasket and the intake manifold-to-cylinder head sealing gaskets.
  1. Install the NEW upper-to-lower intake manifold gaskets.
    2. Fig 2: Locating Upper Intake Manifold To The Lower Intake Manifold
    GM1408442Courtesy of GENERAL MOTORS CORP.
  2. Install the upper intake manifold to the lower intake manifold.
    3. Fig 3: Identifying Fuel Injector Wiring Harness Bracket Bolt
    GM1408439Courtesy of GENERAL MOTORS CORP.
  3. Install the fuel injector wiring harness bracket bolts to the upper intake manifold.

    Tighten:  Tighten the fuel injector wiring harness bracket bolts to 10 N.m (89 lb in).

    4. Fig 4: Locating Fuel Rail Feed Hose Bracket Bolts From Upper Intake Manifold
    GM1408437Courtesy of GENERAL MOTORS CORP.
  4. Install the fuel rail feed hose bracket bolt to the upper intake manifold.

    Tighten:  Tighten the fuel rail feed hose bracket bolt to 10 N.m (89 lb in).

    5. Fig 5: View Of Upper-To-Lower Intake Manifold Bolts
    GM1408434Courtesy of GENERAL MOTORS CORP.
  5. Install the upper-to-lower intake manifold bolts.

    Tighten:  Tighten the upper-to-lower intake manifold bolts to 23 N.m (17 lb ft).

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