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The most awful squeal or screach!

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    #1

    The most awful squeal or screach!

    This morning for the first time my car started making this terrible squealing sound on my way to work. It only happens after the car comes to a complete stop and then goes away after about 15 seconds of driving. The sound comes from what sounds like the rear end or the right rear wheel. I recorded me pulling away from a stoplight and added it below. I know I have to get this fixed, but any idea where to start? My first thought is wheel bearing, but I've never heard one go bad so I'm not sure.

    https://youtu.be/satll31-m7w


    The sound won't come back until I've come to a complete stop. Even if I get under 5mph and start up again, the sound won't return.
    Last edited by Escaport; 09-09-2019, 08:06 AM.
    Current - 1991 E30 325i Auto Vert, 2013 F30 335i M-sport, 2014 F25 X3 M-sport
    Past - 1986 E30 325es, 1988 E30 M3, 1991 E34 535i 5sp, 1991 E31 850i 6sp, 1992 E36 325i, 1995 E36 M3, 2000 E46 323i, 2009 E60 535i, 2011 E90 335d
    Tags: None
    #2
    The timing of the sound makes me think brakes, as in it only occurs after you release brake pressure, but the noise it makes is unfamiliar to me.

    You could test this by braking and accelerating from a stop.

    Doesn't sound like a wheel bearing to me as the noise goes away, wheras a bearing should get louder.

    Comment

      #3
      Parking brake isnt releasing all the way. That specific screech is different than what Ive experienced with a sticky caliper, or the pads not set in place correctly.

      Would inspect parking brake system and potentially replace the springs.
      https://www.turnermotorsport.com/BMW-E30-Parts/c-279-bmw-parking-brake-parts
      Last edited by scabzzzz; 09-09-2019, 11:55 AM.

      Comment

        #4
        Agree with the above advice to inspect, but would get parts somewhere other than Turner.

        You can also test the parking brake the same way as the service brakes.

        Comment

          #5
          Thanks guys! I was in the middle of redoing my interior and changing color. So I had removed the carpet and there was no interior. I had forgotten that the parking brake had to come up with carpet and apparently it had pulled off the contact for the parking brake light on the dash.
          Current - 1991 E30 325i Auto Vert, 2013 F30 335i M-sport, 2014 F25 X3 M-sport
          Past - 1986 E30 325es, 1988 E30 M3, 1991 E34 535i 5sp, 1991 E31 850i 6sp, 1992 E36 325i, 1995 E36 M3, 2000 E46 323i, 2009 E60 535i, 2011 E90 335d
          • Likes 1

          Comment

            #6
            You were able to drive the car with the parking brake on and not realize it? It should have been very noticeable that it was on. If not, your shoes are probably worn out or at very least it needs to be adjusted.

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