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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Mechanical - 3.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Intake Manifold Cleaning and Inspection >> Upper Intake Manifold Cleaning Procedure

Upper Intake Manifold Cleaning Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove any remaining gasket and/or gasket material from the following:
    • Throttle body
    • Intake manifold
  2. Clean the following intake manifold areas in solvent.
    • Intake manifold gasket sealing areas
    • Intake manifold passages
    • Brake booster hose passage
    • Evaporative emission (EVAP) solenoid passage
    • Positive crankcase ventilation (PCV) vacuum hose passages
    • Barometric pressure (BARO) sensor passage
    3. CAUTION: Refer to Safety Glasses Caution .
  3. Dry the upper intake manifold and throttle body with compressed air.
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