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You look for disconnected or split vacum lines (archive)

[ Follow Ups ] [ 5-series (E34) Message Board ] [ Msg. Board FAQ ]

Posted by Bill R. on October 29, 2000 at 23:36:22:

In Reply to: High pitched noise from below intake manifold posted by James Norton on October 29, 2000 at 23:31:26:

If you take a mirror and a light you can see under there

Have been having this problem for a llloonggg time, but have always ignored it till today.

i hear this high pitched whistling noise coming from below the manifold. i can hear it very well from inside the car, (and of course when i'm bending over the engine)when the engine rev has gone down and the engine is near idle speed.

the same question was raised recently and someone asnwered to feel around under the manifold. But what should i look for? anything in particular?

Hope someone can help.


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