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Courier Automatic Trans
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Crankcase Ventilation Systems
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Servicing
Crankcase Ventilation Systems: Servicing
Clean entire system every 12, 000 miles, and replace PCV valve assembly.
Fig 1: LATE V8 PCV SYSTEM
Courtesy of FORD MOTOR CO.
Fig 2: LATE 6 PCV SYSTEM
Courtesy of FORD MOTOR CO.