I believe it to be the airbag (passenger) making that humming sound
DashboardWorn shocks or struts, dashboard is loose (try moving it)
we had rattleing noise on our passenger side van, it turned out we had to tighten the coil spring, and finally had to replace it
Not sure but it could be that the car's heater unit water has air in it. If so I believe this can be caused by exhaust gases coming from a leaking cylinder head gasket.
My car was making this noise when I started it up. the noise went away after driving for a while. turnd out I just needed more oil.
Humming noise on the front passenger side of a 1997 Ford Explorer XLT may be due to a bad tire. Try to jack up the tire and spin it by hand to see if the noise is there.
If the noise is coming from the rear then the bushing is broken.
Bearings, cv shaft, or brakes.
It will most likely be the wheel bearing
A grinding noise form a wheel is usually caused by a bad wheel bearing.
relay
Sherman A Clevenson has written: 'Effect of synthesized propeller vibration on passenger annoyance in a turboprop interior noise environment' -- subject(s): Aerodynamic noise, Physiological effect, Psychological aspects, Psychological aspects of Aerodynamic noise, Psychological aspects of Space flight training, Space flight training, Vibration 'Effect of noise spectra and a listening task upon passenger annoyance in a helicopter interior noise environment' -- subject(s): Helicopters, Noise, Noise control, Airplanes
How to repair power window in 2000 Ford Ranger passenger window will not work with either drivers button or passenger button the relay does not make any clicking noise either What is wrong?