Mechanics

HEARING NOISE FROM HOOD OF CAR

2007 Toyota Camry • 148,000 miles

My Toyota Camry has 148,000 miles and I take excellent care of it. For the last 10,000 miles I've been hearing a rhythmic noise from the hood of the car when idle (at a traffic light) or even when driving. At traffic lights or when idle it's quite loud and I went to the mechanic today - who said it's the bearings from the alternators. I saw the belts which are next to the alternator and they look perfectly fine. Again, the noise was there before, it's just gotten louder in the last 1,000 miles.
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Joya
August 12, 2013.




A bad alternator bearing does not affect the belt and is a plausible cause.

Remove the belt and manually turn the alternator to test if the bearing is noisy. Start engine and note if noise goes away.

KHLow2008
Aug 13, 2013.


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