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-   -   What's easiest way to find vacuum leak. (http://forums.pelicanparts.com/porsche-911-technical-forum/185320-whats-easiest-way-find-vacuum-leak.html)

Jcon 10-02-2004 04:42 AM
What's easiest way to find vacuum leak.
 
I'm not a fan of spraying carb cleaner into a hot engine bay...what else can I use to look for leaks on my 3.6.

Jeff C

dean 10-02-2004 05:44 AM
Water, propane. Carb cleaner is the easiest. IMO
Dean

toolman 10-02-2004 07:32 AM
The BEST way is to use a "smoke machine". OTC and Vacutech make one. They are very expensive, around $1000, but I used one and found a vacuum leak on just about everything I own in seconds.

911mot 10-02-2004 08:44 AM
If it's 'hissing' put a length of pipe to your ear and fish around with the other end near where you suspect it is leaking. You will hear when you've found it.

RoninLB 10-02-2004 11:02 AM
I have an electronic beeper vac and exhaust detector. I paid about $150 from Snap-On. I believe OTC sells the same unit. I guess "toolman" would know more about it?

Jcon 10-02-2004 11:19 AM
Ronin

Do you like it?

Jeff C

RoninLB 10-02-2004 11:37 AM
Quote:
Originally posted by Jcon

Ronin
Do you like it?
http://forums.pelicanparts.com/porsche-911-technical-forum/54524-isnt-there-spray-detecting-intake-leak.html?highlight=AC6500

real550A 10-03-2004 05:34 PM
Propane bottle with a hose on it. Turn on the gas and move the hose tip around all your fittings. Engine will speed up noticeably when leak is present.

RoninLB 10-03-2004 06:00 PM
Quote:
Originally posted by Jcon
Ronin

Do you like it?
I've lent it to shops that have spent days trying to find a vac leak.. usually 15min-1hr and it's found with this unit.


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