GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2007 🢒 LaCrosse 🢒 Engine 🢒 Engine Controls and Fuel - 3.6L 🢒 Intake Manifold Installation

    Object Number: 1876062 Size: SH
  1. Install the NEW lower intake manifold gasket.

    2. Object Number: 1876061 Size: SH
  2. Install the intake manifold assembly.

    3. Object Number: 1876060 Size: SH
  3. Install the intake manifold short bolts.

    4. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1876058 Size: SH
  4. Install the intake manifold long bolts.

    5. Tighten
    Tighten the intake manifold bolts to 23 N·m (17 lb ft).


    Object Number: 1876055 Size: SH
  5. Install and connect the fresh air positive crankcase ventilation (PCV) hose to the left camshaft cover fitting.

    6. Object Number: 1876052 Size: SH
  6. Install the evaporative emissions (EVAP) solenoid.

    7. Object Number: 1876049 Size: SH
  7. Install the EVAP solenoid bolt.

    8. Tighten
    Tighten the EVAP solenoid bolt to 10 N·m (89 lb in).


    Object Number: 1876045 Size: SH
  8. Install and connect the intake manifold-to-solenoid EVAP hose to the intake manifold and to the EVAP solenoid.

    9. Object Number: 1876041 Size: SH
  9. Install the intake manifold-to-solenoid EVAP hose bracket ballstud bolt to the intake manifold.

    10. Tighten
    Tighten the intake manifold-to-solenoid EVAP hose bracket bolt to 10 N·m (89 lb in).


    Object Number: 1876035 Size: SH
  10. Install and connect the dirty air PCV hose to the intake manifold and to the right camshaft cover fitting.