It's not going to be the timing belt. It could be a pulley bearing in one of the pulleys. First thing to do is get a spray bottle with water in it. When the noise is present, spray some on both sides of the belt. If the noise immediately silences, the belt is the problem. If not, try completely removing the belt. If the noise is still present, then what you may have is a bad Camshaft Sensor synchronizer. They can really sound like a belt
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Friday, October 8th, 2010 AT 10:42 AM