I30 is loud when I first start driving

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07-14-2007, 06:34 AM

MattB85

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I30 is loud when I first start driving

When my car's engine is cold and I start driving, between ~2000-2500rpm or so the engine gets noticeably louder then subsides above that RPM level. Once I've driven the car for a minute or two the noise goes away and doesn't recur. It doesn't have to be stone cold, just has to sit for a couple of hours. Is this normal or is there something wrong with my car?

07-14-2007, 07:19 AM

n3985

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Normal

10char

07-14-2007, 08:05 AM

MattB85

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Just a characteristic of the VQ then?

07-14-2007, 10:53 AM

n3985

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Characteristic of a cold engine.

07-14-2007, 01:29 PM

hiren_patel_83

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it's ok, mine does the same thing.

07-20-2007, 12:32 PM

MattB85

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On another forum an accessory belt tensioner being bad was suggested as the cause...would this cause the engine to get louder?

07-20-2007, 04:56 PM

i30ds

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It would make the belts squeal...

07-24-2007, 09:25 AM

HomerMAC

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why not let the car warm up?

07-24-2007, 11:08 AM

MattB85

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Update: the noise appears to be coming from somewhere in the exhaust area. To better describe it, it sounds like a minor exhaust leak. I don't know why it would go away after I start driving though and why it would only happen in a certain RPM range.