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Sounds like the crankcase ventilation hose Posted by Ari [Email] ![]() ![]() In Reply to: identifying a 1987 900 16v turbo broken bit ?, Chris Davis, Wed, 2 Mar 2005 05:50:40 Members do not see ads below this line. - Help Keep This Site Online - Signup |
That sounds like the nipple that takes fumes off the valve cover. In the old days, crankcase fumes were just vented to the air. Nowdays, there is a nipple on the valve cover, and a hose to bring those fumes into the throttle body to be burned. There should also be a one-way valve in the line, to prevent turbo boost pressure from pressurizing the crank.
The parts catalog calls it a Nipple, PartNo : 7517048. And yes, it is nothing more than a plastic pipe that fits into a rubber bushing, and all that flows through it is air.
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