pontiac Workshop Repair Guides

Pontiac Workshop Service and Repair Manuals

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Crankcase Ventilation System - Revised Maintenance|Page 5559 > < Crankcase Ventilation System - Revised Maintenance|Page 5557

Grand Prix V6-191 3.1L VIN M SFI (1998)

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4. Turn OFF the engine. Remove the crankcase ventilation valve. Shake the valve. Listen for the rattle of the check needle inside of the valve. If

valve does not rattle, replace the valve.

Crankcase Ventilation System - Revised Maintenance|Page 5559 > < Crankcase Ventilation System - Revised Maintenance|Page 5557