1. 

   Mark Demko Well-Known Member

   Anybody have this problem, when changing the oil, the filter is dry inside? This happens alot even when using the AC PF24 oil filter. Its almost as if the oil is bypassing the filter. This is in my 350 GS, but figured I'd ask here on the BB board also. Mark

    

   Mark Demko, Nov 21, 2003

   #1
2. 

   462CID Buick newbie since '89

   Bad bypass valve?

    

   462CID, Nov 21, 2003

   #2

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