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Home >> Oldsmobile >> 1962 >> Jetfire Not Available Trans >> Repair and Diagnosis (Single Page) >> Engine Mechanical >> Mechanical >> Crankcase Ventilation Systems >> System Checking

System Checking

Rough idle or crankcase fumes escaping through crankcase breather is an indication the system may need service.

Fig 1: OPEN CRANKCASE DEVICE
G09340526Courtesy of GENERAL MOTORS COMPANY