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No Squeal with Oil Cap Removed

ravengolfer
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ravengolfer Member

ravengolfer

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I am experiencing an engine squeal that goes away when the oil cap is removed. Can anyone tell me what that is an indication of? It is a 2000 Boxster with 75,000 miles on it. I was also getting a oil pressure light on suddent stops until I change the oil from 0 w-40 to 15 w-50.

Thanks

Michial

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ravengolfer Member

ravengolfer

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wvicary,

I now believe you are correct about the Oil Separator. I think it is causing the engine to have an excessive vacuum. I can not remove the oil cap while the engine is running and the oil filler tube collapses. However there is no signs that I am ingusing oil from the crankcase, no smoke, or oil on intakes.

thanks

Michial

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