Bearing in blower motor?
check the cadillidic converter under the car.
it could be your valves or your engine
A whirling noise under the dash floor of a 1997 Toyota T100 could be caused by a few issues, including a malfunctioning blower motor or a problem with the fan assembly. Debris caught in the blower motor can also create noise as it spins. Additionally, issues with the heating or air conditioning system, such as a failing actuator, may contribute to the sound. It's advisable to inspect these components for any signs of wear or obstruction.
If by motor you mean the engine. If the car is running and it's not making much noise turn in the a/c in the car and if the noise gets worse I would replace your air conditioning pp
Fresh air vent motor
There is a problem with wiper transmission which is what moves the arms & is under the cowl.
Not enough info. What kind of noise? Coming from where? Under what situation(s) does it occur?
Most common culprit is a slipping belt.
that could be a variety of things, wheel bearings, u joints, rear end...
grinding noise from the fan is a bad bearing on either the fan or the water pump.have it checked before it lets go and goes thru radiator
A noise under the dash on the driver's side of a 1999 Oldsmobile Intrigue can be caused by several issues, including a malfunctioning blower motor, loose or damaged dashboard components, or a failing actuator related to the heating and air conditioning system. Additionally, debris or foreign objects lodged in the ductwork could also produce unusual sounds. It's advisable to inspect these areas to identify the specific source of the noise.