WebThe AOS, or air oil separator, is a part of the PCV system on a modern Porsche sports car engine found in Boxster, Cayman, and 911 models. The AOS should be treated as a … WebJun 13, 2010 · Posts: 1,266. The most common failures are, white smoke coming out the exhaust and the engine running rough from the oil or the engine front will have a squeal coming out of the seal around the front of the crankshaft and this is usually is after the engine has warmed up. Also, you cannot easily remove the oil filler cap when the engine is ...
AOS + Crankcase vent valve -replace both ? - 986 Series (Boxster ...
WebApr 16, 2024 · neumaiek's Garage. Boxster S. AOS Frustration. Good morning! 2002 Boxter S with 90k miles has a really bad AOS that I am in the process of replacing. Big problem for me is releasing the clamp on the outside of the AOS. Yes, it is in a really bad place to get to but it seems as thought that "squeeze" clamp is just not willing to release. WebMay 18, 2009 · Each manufactures calls their system something else - Porsche AOS. Of course the AOS cannot be 100% in seperating oil mist from gasses so a tiny amount of oil mist is inducted and burnt, this provides an upper cylinder lubricant - which is good - but also explains why the throttle body gets a bit gummed up over a period of time - which is not … dickies city hall
AOS Frustration - 986 Forum - The Community for Porsche Boxster …
WebThe AOS, or air oil separator, is a part of the PCV system on a modern Porsche sports car engine found in Boxster, Cayman, and 911 models. The AOS should be treated as a maintenance item and replaced using only Genuine Porsche parts, including all AOS vent hoses and lines, every 6 years or 75,000 miles, whichever comes first. WebThe 2002 Porsche Boxster IMS failure is the most commonly reported issue. Due to various characteristics, ... A failed AOS produced this problem by squeezing the hose flat and breaking it. Excessive noise: The Boxster 2003’s engines are known for its cylinder scores. WebNov 21, 2024 · How to Replace the Air Oil Separator AOS and clean the throttle body on Porsche 911 996.2 997 Boxster 986.2 and 987. You can save yourself the hassle of the ... citizens information waterford