[DML] Re: PCV System..

["DMC Joe" <DMCJOE@xxxx>]

This is an easy question to answer, go to D:06:02 of your Workshop Manual
for an explanation on how the "closed crankcase system" works.

DMC Joe / DeLorean Services / <dmcjoe@xxxx>
Web Site: <http://www.deloreanservices.com>

> From: Marc A Levy <malevy@xxxx>
> 
> I guess I never realy put much thought in to it, but I always assumed
> that the PCV tube hooked to the air box was to suck the gasses out of
> the crankcase. But then I got to thinking, where does the air come in
> to the crankcase?
> 
> I did a quick search on the net and found a good page that explains in
> detail the PCV system (in general, not DMC specific) at
> http://www.njautosite.com/garage/encyclop/ency08b.html
> 
> Based on that page, it would seem that the tube attached to the air box
> is where the air gets sucked in to the crank case. That kind of makes
> sense now, because the vaccum would need to come from someplace beyond
> the throttle plates. So, where does this vaccum come from? There is no
> PCV valve, so I guess it uses some other method to acheive the desired
> results. If the vaccum is taken from some place beyond the throttle
> plates, then when I go in to boost the crankcase will then become
> pressurized and in theory help push the oil out in to the air box!
> 
> I guess I should also take a look at the hose routing diagram, but I did
> not have time to do that yesterday. Either way, anyone have a good
> explination on how the system work in the De Lorean, and where the vital
> parts are?
> 
> Thanks,
> Marc