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Home >> GMC >> 2016 >> Terrain SL, Gas >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 18 (Engine Mechanical - 3.6L (LFX) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Intake Manifold Cleaning and Inspection >> Intake Manifold Cleaning Procedure

Intake Manifold Cleaning Procedure

WARNING: This page is about a different variant/trim than selected.
  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
  3. WARNING:

    Refer to Safety Glasses Warning .

  4. Dry the intake manifold and throttle body with compressed air.