vaccum leak check

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Nov 11, 2005 | 09:51 PM

1BadAsZ

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From: Florence, MS

vaccum leak check

what is the best or just one in general for checking for a vaccum leak? ideas please..

Nov 11, 2005 | 11:16 PM

FlamingChicken

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an easy way to check for vacuum leaks is to take a can of carb cleaner, or anything else that will burn, and spray a bit on the area you think is leaking while the engine is running. if its leaking the rpms will rise, if not you now have one spot eliminated. be careful near the exhaust of course. sounds questionable but works pretty darn good

Nov 12, 2005 | 11:41 PM

Hellions

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Quote:

Originally Posted by 1BadAsZ

what is the best or just one in general for checking for a vaccum leak? ideas please..

Buy a cheap vacuum gauge. T into any vac line. At idle you should pull about 20" of vacuum. Anything less indicates a vacuum leak somewhere.

Nov 13, 2005 | 07:17 AM

DynoDR

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Use a Smoke Machine. Quick, safe and you do it with the vehicle not running.
I like it also because it is very easy to find the little leaks like intake gaskets that only leak when cold.

Nov 13, 2005 | 04:44 PM

1BadAsZ

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From: Florence, MS

Quote:

Originally Posted by DynoDR

Use a Smoke Machine. Quick, safe and you do it with the vehicle not running.
I like it also because it is very easy to find the little leaks like intake gaskets that only leak when cold.

what is a smoke machine? and when you say cold are you meaning like when you first crank the car? cause everytime i crank it when the car has cooled off i get a code 33 and the car acts like a carb car when you have to "clear" it up

Nov 13, 2005 | 05:13 PM

SmokedOutZ28

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A "Smoke" Machine is normally used for finding evap leaks but it can be used of other purposes. It takes oil that is stored in the machine and dumps it on a hot motor to create smoke the smoke is then released through a line routed to what ever your checking, it harmless and can help fine pinhole leaks that wouldn't be visible.