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-   -   Is it worthwhile to hook up a vacuum gauge to the intake manifold to see if there is (http://www.peachparts.com/shopforum/off-topic-discussion/358802-worthwhile-hook-up-vacuum-gauge-intake-manifold-see-if-there.html)

Mölyapina 08-18-2014 09:47 AM
Is it worthwhile to hook up a vacuum gauge to the intake manifold to see if there is
 
edIT: OK, to finish off the title... ...a vacuum leak?

I was thinking of doing this, but I had someone tell me yesterday that that would be pointless and that a smoke test is the only way to see if there are any vacuum leaks. Does this sound right?

(My struggles with the Buick continue...)

tjts1 08-18-2014 11:21 AM
No, a vacuum gauge won't help you find vacuum leaks. Smoke test is the way to go. Is it the 3.1?

Mölyapina 08-18-2014 12:17 PM
Quote:
Originally Posted by tjts1 (Post 3374338)
No, a vacuum gauge won't help you find vacuum leaks. Smoke test is the way to go. Is it the 3.1?
Yes, and if you're getting at the intake manifold gaskets, I have those on hand and am planning on replacing them this week or the next :).

I'm going to explore the fuel system first, though.

kmaysob 08-18-2014 01:22 PM
Spray carb cleaner all around the intake gaskets. If there is a leak, rpm will change.


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