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		986 Forum - The Community for Porsche Boxster & Cayman Owners > Porsche Boxster & Cayman Forums > Boxster General Discussions
Loud high pitched squeal ONLY on deceleration

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12-18-2014, 11:47 PM	#2
k9dbm Registered User Join Date: Jul 2013 Location: Gloucester Posts: 11	This could be an Air Oil Separator issue, the squeal could be air being drawn past oil filler cap into the engine, I had this noise last week, also had smoke issues which pointed to AOS, had the AOS changed and all is now well

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986 boxster , deceleration , high pitched squeal

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