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How do you check for a vacuum hose leak in a 1994 Mercury Topaz?

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βˆ™ 2017-11-03 12:04:55

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Do this OUTSIDE and be very careful!!! With the engine running, spray a litle starting fluid on vacuum lines that you suspect of leaking. Use short shots and don't let the fumes build up. That stuff is very flamable and is very dangerous if you get too much built up around a spark. Spray it on potential vacuum leaks and when you hit the place that IS leaking, the engine will speed up and/or run differently. Don't forget to check the vacuum assist brake and the intake manifold gaskets. But again, don't let the fumes build up.

Use carb cleaner instead of starting fluid. It is not as volatile.

2017-11-03 12:04:55
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