Transient high-pitched squeal in '02 Accord

Discussion in 'Accord' started by Mike S., Feb 27, 2006.

  1. Mike S.

    Mike S. Guest

    Last night, while stopped at a traffic light, I heard a warbling, squealing
    noise which seemed to come from under the hood. The closest thing I could
    think of that sounds like it is the sound of the steel wheels of a rail
    car screeching as the train comes to a halt. We were in traffic, and there
    was no place to pull over, so I did what I could to figure it out. Putting
    the car in neutral and racing the engine did not change the noise. After
    about 5 minutes it disappeared (before I could stop anywhere) and did not
    return while we drove for the rest of the night.

    When it warms up later today I will check belts and fluid levels, and look
    for leaks. After the fact, though, it occurred to me that it might be the
    bearing of the heater/AC blower, which was running at the time and which
    I did NOT think of playing with at the time, to see if the fan speed affected
    the noise. Does this sound possible - could a worn bearing or dirt in the
    shaft of the fan motor make such a transient noise?
    Mike S., Feb 27, 2006
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