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PCV Systems
Posted to Technical Theory Forum on 7/15/2004 4 Replies

Hola,

Can someone explain the theory of operation of a pcv system WITHOUT a PCV valve? ie: 01 GMC Sonoma 2.2L engine vin 5. This one has blown the rear oil seal twice with less than 80k on the odometer. Also the TB gets lots of oil. Any and all insight welco... Login to read more.

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