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lsmith49

08-20-2009 11:41 PM

S70 funny sound coming from under the hood

When the car is cold, a :confused:strange motor or something revs up and carries on for a minute or so, then slowly winds down. It hasn't had any effects on the engine (that I know of) but it's loud, and sometimes it will do this at a stop light, but not for as long. Anyone know what this can be?

blackbrick

08-21-2009 01:07 AM

It is probably Air pump it makes strange noise like vacuum cleaner.

rspi	08-29-2009 10:27 PM

Sounds like something that has just gotten noisy. I have a simular thing with my 960. Not bad, just a little noise during warm up. Try not to worry about it.

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