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Q:

Rattle Noise at idle on 1999 Ford Windstar

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I hear a rattle type noise at idle- seems to be coming from under the black plastic intake- the noise goes away on accel- i thought it sounded like a waterpump- but it seems to from under the intake-someone said there was a "balance shaft" that sometimes goes bad on theis engine. any ideas?
(2) Answers
(1) Comments
sometimes the serpentine belt will make a noise that sounds like a rattle, with the engine off spray a little belt grip ( available at auto parts stores ) your vehicle also has a belt tensioner pulley and idler pulley that could be failing.