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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 2015 (Engine Mechanical - 3.6L (5 Of 6)) >> Repair Instructions - Off Vehicle (3 Of 4) >> Intake Manifold Cleaning and Inspection (LY7) >> Upper Intake Manifold Cleaning Procedure

Upper Intake Manifold Cleaning Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. 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. WARNING: Refer to Safety Glasses Warning .
  4. Dry the upper intake manifold and throttle body with compressed air.