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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1161 (Engine Mechanical - 3.6L (5 Of 6)) >> Off-Vehicle Repair Instructions (3 Of 4) >> Intake Manifold Cleaning and Inspection (LY7) >> Lower Intake Manifold Cleaning Procedure

Lower Intake Manifold Cleaning Procedure

WARNING: This page is about a different car, the 2008 Cadillac CTS. 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:
    • Upper-to-lower intake manifold sealing surface
    • Cylinder head-to-lower intake manifold sealing surface
  2. Clean the following intake manifold areas in solvent.
    • Intake manifold gasket sealing surfaces
    • Intake manifold passages
    3. CAUTION: Refer to Safety Glasses Caution .
  3. Dry the intake manifold with compressed air.
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