How to find vacuum leaks

[Larry C Leung]

See my earlier post. Dipstick test SHOULD stall the car if the vacuum is
good. If the car doesn't stall, there's vacuum leaks. See
www.sjmautotechnik.com for a description of the test.

LL - NY


On Sat, 4 Aug 2001 18:11:42 -0400 "Rob" <rbucci at home.com> writes:
> Correct me if I'm wrong but isn't the stalling directly related to 
> the
> removal of the oil cap or dipstick? In other words, isn't THAT your 
> vacuum
> leak?
> ----- Original Message -----
> From: "Larry C Leung" <l.leung at juno.com>
> To: <quattro at audifans.com>
> Sent: Friday, August 03, 2001 11:50 PM
> Subject: Re: How to find vacuum leaks
> 
> 
> > Well,
> >
> > Finally got my coolant expansion bottle, installed it and while 
> waiting
> > for the cooling fan to come on during the bleeding, I decided to 
> do the
> > dipstick test to see if some of the stumbling and hard starts 
> might be
> > vacuum related. Well, pull the dipstick, it stutters, loosen the 
> oil cap,
> > stutters worse, lift the cap, it finally stalls. Soooo, I have a 
> vacuum
> > leak. The problem, I can't tell where. The hoses I checked so far 
> look
> > good, I know I do need a valve cover gasket, but I can't tell if 
> it's
> > something else (it seems from the dipstick test that the leak is 
> likely
> > more severe than a mildly seeping valve cover gasket!). I recall 
> someone
> > on the list saying something about propane, but I'm not so sure 
> what they
> > said...
> >
> > LL - NY
> 
> 
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