Date: Thu, 10 Feb 2005 15:08:40 -0700 From: Christian M. Mericle <newsgroupinkynospamail.com> Subject: Re: Engine question
On Thu, 10 Feb 2005 17:03:03 GMT, hohnospamlid.invalid (Goran Larsson) wrote: >In article <420B87AB.46BC3504nospamsssssssssssssssssssssssssssizefitter.com>, >Johannes H Andersen <johsnospamsssssssssssssssssssssssssssizefitter.com> wrote: > >> What is this small air hose on the cylinder cover for? > >It is part of the crankcase ventilation system. > >> There is a round >> 1/2" hole in the cover with a rubber ring. A nylon fork in the hole branches >> in two directions. > >The small hose should connect to a small check valve and then on to the >throttle housing. During low load conditions the low pressure in the >throttle housing is used to evacuate gasses from the engine through >this hose. The check valve will close when there is pressure in the >throttle housing (when the turbo is providing pressure). Does this apply the same to non-turbos? I have the hose running to the throttle housing but there is no check valve. How vital is it to have one? <snip> -- Christian 1985 900 8V (non-turbo)