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Moaning hum noise coming from engine bay. w/video

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    #1

    Moaning hum noise coming from engine bay. w/video

    My car has been making this noise since I got it.. My guess is that it's coming from underneath the timing cover or the power steering pump but I'm not sure. It doesn't increase in pitch with rpms, just speeds up the rate of the whine.


    http://www.youtube.com/watch?v=dFue-MQG7Ss

    Anyone know what this is? Sorry about the crappy video but you can hear what I'm talking about. Rpm increased near end of vid.
    90 LX 5spd 2dr (2011-2014)
    93 EX 5spd 2dr (2013-2015)
    92 LX 5spd 2dr (2015-present)

    Tags: None
    #2
    It does sound like ur timing belt but its kinda hard to tell

    TKCB792

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      #3
      Originally posted by TKCB790 View Post
      It does sound like ur timing belt but its kinda hard to tell
      I just got the T-belt replaced, did it before and still does it.. could be a timing pulley or something if it is something to do with the T-belt. I dont really trust the work of the garage i got it done at and my car has been smelling like oil or like its running rich since i got it done and i need to figure out why
      90 LX 5spd 2dr (2011-2014)
      93 EX 5spd 2dr (2013-2015)
      92 LX 5spd 2dr (2015-present)

      Comment

        #4
        if it is power steering the noise will change frequencey when you turn the wheel side to side as this loads the pump, however sounds more like alternator bearing.
        an old school trick i learned was to take a long screw driver 18" or so and carefuly rest the tip of the screwdriver on the component you suspect is makeing noise then put the handle to your ear.
        there is actually a stethoscope for mechanics similar to what doctors use but the screw driver works. now this is a technique for pros so dont be a dumbass and stick the screw driver in the moving belts. thats my disclamer.

        another option is to loosen the accesory belts one at a time thus by process of elimination ruling out alternator, ac compressor, if all the belts are off and you still have a noise you will know it is your water pump or t-belt tensioner or balance shaft belt tensioner.
        Last edited by budget street; 10-11-2011, 01:24 PM.
        Budget Street is offline working in the shop

        drop the mouse and pick up a wrench

        Originally posted by deevergote
        Good for you. You don't even know how to spell VTEC.

        Comment

          #5
          mine was making the same noise and it turned out to be the power steering pump was going bad

          Comment

            #6
            Originally posted by KW3gLuderInaCB7 View Post
            My car has been making this noise since I got it.. My guess is that it's coming from underneath the timing cover or the power steering pump but I'm not sure. It doesn't increase in pitch with rpms, just speeds up the rate of the whine.


            http://www.youtube.com/watch?v=dFue-MQG7Ss

            Anyone know what this is? Sorry about the crappy video but you can hear what I'm talking about. Rpm increased near end of vid.
            Look at where your belts go into the timing cover and look for rubbing. Mine made the exact same sound when I but my alt belt on a tooth crooked.
            Originally posted by Mishakol129
            Do not disrespect my intelligence. I am the smartest person I know : )

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              #7
              I guess a bearing of some sort. If the timing was off you'd have other problems.
              Deev and I are buds

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