RE: [DMCForum] Re: you (yes YOU) have a vacuum leak

["Travis Goodwin" <tgoodwin@xxxxxxxxxxxx>]

If yours was bad you'd be either WAAAAY over advanced or not advancing at
all during acceleration.

What Walt is talking about is a vacuum leak around the solenoids electrical
connection which he sealed with silicone.

> -----Original Message-----
> From: erikgeerdink [mailto:erikgeerdink@xxxxxxxxx]
> Sent: Thursday, September 18, 2003 2:32 PM
> To: DMCForum@xxxxxxxxxxxxxxx
> Subject: [DMCForum] Re: you (yes YOU) have a vacuum leak
> 
> If mine is bad, which it probably is, are they rebuildable?  Or
> should I spend the $42+shipping to get a new one.  Also, what causes
> them to go bad?  Age and being exposed to the elements? or is it a
> crappy part that goes out (like my FUCKING RIGHT ANGLE DRIVE).
> 
> Erik
> 
> 
> --- In DMCForum@xxxxxxxxxxxxxxx, Travis Goodwin <tgoodwin@xxxx>
> wrote:
> > I should say that the bracket that supports it is connect behind
> the intake.
> > There is 1 electrical connection and 2 vac connects. When the
> solenoid is
> > active, the vac is allowed to pass through to the distributor.
> >
> > > -----Original Message-----
> > > From: Travis Goodwin [mailto:tgoodwin@xxxx]
> > > Sent: Thursday, September 18, 2003 2:15 PM
> > > To: 'DMCForum@xxxxxxxxxxxxxxx'
> > > Subject: RE: [DMCForum] Re: you (yes YOU) have a vacuum leak
> > >
> > > It's 101116.
> > >
> > > It's connected to the back of the intake, almost dead center
> behind the
> > > fuel
> > > distributor.
> > >
> > >
> > > > -----Original Message-----
> > > > From: erikgeerdink [mailto:erikgeerdink@xxxx]
> > > > Sent: Thursday, September 18, 2003 2:24 PM
> > > > To: DMCForum@xxxxxxxxxxxxxxx
> > > > Subject: [DMCForum] Re: you (yes YOU) have a vacuum leak
> > > >
> > > > is it 10116?
> > > >
> > > > --- In DMCForum@xxxxxxxxxxxxxxx, "erikgeerdink"
> <erikgeerdink@xxxx>
> > > > wrote:
> > > > > I don't know what the vacuum advance solenoid looks like.
> Could
> > > > you
> > > > > give me a part number?  Yes, I am being serious.
> > > > >
> > > > > Erik
> > > > >
> > > > >
> > > > >
> > > > > --- In DMCForum@xxxxxxxxxxxxxxx, Travis Goodwin
> <tgoodwin@xxxx>
> > > > > wrote:
> > > > > > Mine is brand new. That bitch better not leak.
> > > > > >
> > > > > > > -----Original Message-----
> > > > > > > From: Walter Coe [mailto:Whalt@xxxx]
> > > > > > > Sent: Thursday, September 18, 2003 2:07 PM
> > > > > > > To: DMCForum
> > > > > > > Subject: [DMCForum] you (yes YOU) have a vacuum leak
> > > > > > >
> > > > > > > I recently tested the vacuum advance solenoids from 4
> > > > DeLoreans,
> > > > > and all
> > > > > > > of
> > > > > > > them leaked air through the base of the electrical
> > > > connection.
> > > > > Some
> > > > > > > leaked
> > > > > > > worse than others but ALL of them leaked.  Two of these
> cars
> > > > are
> > > > > daily
> > > > > > > drivers, and fixing the leak made a noticeable
> improvement.  I
> > > > > just sealed
> > > > > > > the leaks using oxygen sensor safe silicone caulk.
> > > > > > >
> > > > > > > I knew I had some vacuum leaks on my daily driver, so I
> used a
> > > > > hand vacuum
> > > > > > > pump to see if the line supplying the ignition advance
> and CPR
> > > > > held
> > > > > > > vacuum.
> > > > > > > It didn't.  It lost vacuum as fast as I could work the
> pump.
> > > > > The culprit
> > > > > > > was the vacuum solenoid.  I was going to scarf one off of
> > > > > another car when
> > > > > > > I
> > > > > > > found that one leaked too.  So I try yet another car and
> that
> > > > > one also
> > > > > > > leaked.  Moments later a friend drove up in his
> DeLorean, and
> > > > as
> > > > > he got
> > > > > > > out
> > > > > > > of the car I said, "You have a vacuum leak!"  And sure
> enough
> > > > he
> > > > > did.  On
> > > > > > > hard acceleration his valves rattled.  He thought his
> valves
> > > > > needed
> > > > > > > adjusting.  But the leak on his solenoid was bad enough
> that
> > > > it
> > > > > wasn't
> > > > > > > advancing enough under hard acceleration.  All of these
> > > > > solenoids leaked
> > > > > > > faster than I could work the pump, so that is a pretty
> > > > > significant leak.
> > > > > > >
> > > > > > > Y'all go check your vacuum solenoids and report back how
> damn
> > > > > clever I am.
> > > > > > > :-)
> > > > > > >
> > > > > > > Walt
> > > > > > >
> > > > > > >
> > > >
> > > >
> > > >
> > > > To unsubscribe from this group, send an email to:
> > > > DMCForum-unsubscribe@xxxxxxxxxxxxxxx
> > > >
> > > >
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