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Author Topic: Checking for vacuum leaks.  (Read 382 times)

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Offline Rufus2010

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Checking for vacuum leaks.
« on: September 03, 2014, 12:36:33 PM »
What's a good way to check for vacuum leaks in the intake tract? I seem to remember once using an unlit propane torch and listening for the engine to increase in speed when it started sucking in the propane vapors.

Any thoughts?
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Offline Muckinfuss

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Re: Checking for vacuum leaks.
« Reply #1 on: September 03, 2014, 12:48:13 PM »
I've always sprayed WD-40 or similar at seams and connections and watched for smoke at the exhaust.
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Offline evanphi

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Re: Checking for vacuum leaks.
« Reply #2 on: September 04, 2014, 06:53:01 AM »
I use unlit propane.
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