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CRANKCASE VENTILATION SYSTEM INSPECTION/DESCRIPTION Crankcase Ventilation (CV) System Inspection 10 Higher than recommended fluid Plugged or malfunctioning fluid Plugged or malfunctioning Improperly tightened or Cracked or porous components Improper sealants or gaskets Improper sealant or gasket Damaged or worn gaskets or Damaged or worn sealing 2. Inspect the engine for customer modifications. Is there mechanical damage or customer Go to Step 11 System OK 11 Repair or replace all damaged or modified Go to Step 1 System OK
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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