Depending on the nature of the noise, when it occurs and more description, it'll be very hard to offer ideas on a cause.
One thing that does cause 'noise', is a thumping / clicking when changing the heater temperature setting. See "Related Questions" below for more about that particular problem.
DashboardWorn shocks or struts, dashboard is loose (try moving it)
sounds like your transaxles or transmission It could also be a bad wheel bearing - See "Related Questions" below for more
where is the tcm in a windstar 2000 located
One of your exterior bulbs is burned out ( the warning light is in the right / lower area of your instrument panel )
where is air flow relay on 2000 ford windstar
According to the 2000 Ford Windstar Owner Guide ( 5W-30 )
A serious vacuum leak could cause that.
On a 1998 Windstar the vacuum reservoir tank is under the hood in the back left of the engine compartment when standing in front of the vehicle. Mine has a red and black vacuum hose coming out of it.
engine noise coming thru the radio is caused by a bad ground somewhere so instead of chasing that you go to a car stereo shop and buy a noise filter that hooks up to the ground wire coming off the radio.
my 2000 windstar sel you can not turn of the air bags.
In the cargo area , on the passenger side , behind the service panel ( on a 2000 Ford Windstar )
How do you reset dashboard codes for 2000 Cadillac STS?