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husker boxster · 06-13-2019, 05:43 AM

Looks like a decade of accumulated grime. Get some engine degreaser, apply liberally, and wash carefully (low pressure). You might check around the AOS to see if it's particularly oily there, indicating it is in need of replacement.

06-13-2019, 05:43 AM	#2
husker boxster Registered User Join Date: Sep 2006 Location: Omaha Posts: 2,866	Looks like a decade of accumulated grime. Get some engine degreaser, apply liberally, and wash carefully (low pressure). You might check around the AOS to see if it's particularly oily there, indicating it is in need of replacement. __________________ GPRPCA Chief Driving Instructor 2008 Boxster S Limited Edition #005 2008 Cayman S Sport - Signal Green 1989 928 S4 5 spd - black 1987 928 S4 - Granite Green Metallic (Felsengrun)