car gets really loud, like a winding noise, when going over 25mph. Shifts and drives ok, just loud. Gas mileage as it should be also.

Asked by Mar 12, 2014 at 02:45 PM about the 2007 Chevrolet Cobalt LS Sedan FWD

Question type: Maintenance & Repair

car gets really loud above 25mph, loud kind of winding noise, drives and shifts ok.  Does not shake.  Gas mileage still good.

4 Answers

299,855

Check your pulleys, belt and belt tensioner, cooling fan.

20,075

Is the noise com9ng from the engine area or could it be your cats are sick?

8,665

check wheel bearings for wear

5,165

If it sounds like it could be an exhaust noise check the flex connection that connects the exhaust manifold on the engine to the exhaust system. I've had 2 '06s and they have both failed. It's not a cheap part, surprise, surprise, but you'll need a new one. Don't bother with a used one. The labor is about 1.5 hours at a muffler shop.

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