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Humming sound from rear of my 2000 Chevy Blazer.

valleppavalleppa Member Posts: 3
edited October 2014 in Chevrolet

what could be cause

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Answers

  • cel2001cel2001 Member Posts: 3
    Could be from the ring and pinion, axle bearings, fuel pump getting weak, is it constant or change in pitch as you get to higher speeds?
  • valleppavalleppa Member Posts: 3

    just had fuel pump replaced not that at higher speeds can hear it less

  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Also have a look at your tires--if there is any "feathering", that can make a tire very noisy.

    One test---let off the gas--is the noise still there?
  • valleppavalleppa Member Posts: 3

    tires are new and not feathering  must be wheel bearing.

  • Mr_ShiftrightMr_Shiftright Member Posts: 64,481
    Hard for us to hear the noise of course. Wheel bearings are more like a "ball-sy rumble". If the noise were higher pitched, like a siren, then more likely ring and pinion and usually make noise only on "pull".
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