Question about 2005 Chevrolet Venture

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05 chevy venture consuming 2 qts of oil every 500 miles. no visible smoke or oil puddles on the driveway. my van has only 90000 miles on it. the valve seals have been redone

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  • paul_alaniz0 Oct 02, 2009

    a standard compression test was done. 150lbs on all 6 cyl. using 20 50 castrol. even tried using a qt. of lucas oil treatment

  • Mike Butler
    Mike Butler May 11, 2010

    Have to ask, sorry. Are you using right grade & good quality motor oil? You say valve seals were done, so I assume guides were checked at same time? Has anyone done a wet/dry compression test on the engine as well? Any info on prior tests or work done, may help as well, to pinpoint cause.

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Be sure to check, or have checked, the PCV system which can also contribute to excessive oil consumption, if plugged or malfunctioning.

Posted on Oct 02, 2009

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To me that sounds pretty common with that many miles. With out changing piston rings also I wouldn't worry to much but make sure u change ur spark plugs as suggeste to avoid fouling.

Posted on Oct 02, 2009

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