1999 Ford Windstar Q&A

1999 Ford Windstar Question: Rattle Noise at idle

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? -
Answer 1
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. -
Answer 2
it is the older style 2 piece air plenum...ford has updated this part... -
Comment 1
Is this a factory recall item? -
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