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Home >> Buick >> 2008 >> Allure CXL >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Mechanical - 3.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Intake Manifold Assemble >> Upper to Lower Intake Manifold Assemble Procedure

Upper to Lower Intake Manifold Assemble Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Upper-To-Lower Intake Manifold Gaskets
    GM1531028Courtesy 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: View Of Upper Intake Manifold & Lower Intake Manifold
    GM1531026Courtesy of GENERAL MOTORS CORP.
  2. Install the upper intake manifold to the lower intake manifold.
    3. Fig 3: View Of Fuel Injector Wiring Harness & Bracket Bolts
    GM1531023Courtesy 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: Identifying Fuel Rail Feed Hose Bracket Bolts
    GM1531021Courtesy 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: Identifying Upper-To-Lower Intake Manifold Bolts
    GM1531017Courtesy 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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