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Home >> Cadillac >> 2005 >> STS 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Mechanical - 4.6L (LH2) (5 Of 6)) >> Off-Vehicle Repair Instructions - Part 3 >> Intake Manifold Cleaning and Inspection >> Cleaning Procedure

Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
    IMPORTANT: Do not reuse the intake manifold-to-cylinder head sealing gaskets.
  1. Remove any remaining gasket and/or gasket material from the intake manifold.
  2. Clean the following intake manifold areas in solvent.
    • Intake manifold gasket grooves
    • Intake manifold passages
    • PCV vacuum hose passage
    • Vacuum hose fitting passage
  3. CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  4. Dry the intake manifold with compressed air.