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  • Does rear dif make loud whining noises?

    For the past few days there has been a loud whining sound coming from the rear of my car as I drive. It only makes this noise when in gear (5 Speed) and increases in pitch as I go faster. Im thinking my rear dif and am on my way to go get some fluid. Does this sound like the culprit? Hopefully it just needs a fluid change.

    Any suggestions?

  • #2
    Re: Does rear dif make loud whining noises?

    Yeah, you're right, it most likely just needs fluid. Mine whined for a while because it was leaking fluid when I didn't torque the bolts on the diff cover evenly, and it went away after fixing the leak and topping off the fluid.

    Mike

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    • #3
      Re: Does rear dif make loud whining noises?

      Well I opened up the rear diff and only a little fluid came out. some of the bolts were loose so it probably dripped slowly out. I refilled, replaced gasket, and retightened the bolts. Last night it seemed to have quieted the rear but this morning driving around especially on the high way I still hear the whining. is there some wear in period on new fluid that still causes it to whine? What else could it be. My diff looked ok when I had the cover off

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      • #4
        Re: Does rear dif make loud whining noises?

        i think its normal for a whine...my has a light when accelerating
        ....WHITE CAMARO CLUB....? =(

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        • #5
          Re: Does rear dif make loud whining noises?

          this happens sometimes when you do a gear change and the install isn't done perfectly, but i'm assuming you have a stock rear...?

          96 V6 A4 Camaro and 99 Z28 A4 Camaro
          Visit My F-Body Page

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          • #6
            Re: Does rear dif make loud whining noises?

            its not normal to whine...

            add some fluid


            if that doesn't help start looking for a new rear or rebuild your current one... but then again I drove my car with a whining rear for ~20k miles and sold the car with it. So you could have awhile.

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            • #7
              Re: Does rear dif make loud whining noises?

              Originally posted by DAS BOOT
              its not normal to whine...

              add some fluid


              if that doesn't help start looking for a new rear or rebuild your current one... but then again I drove my car with a whining rear for ~20k miles and sold the car with it. So you could have awhile.
              I put a Richmond 3.73 gear in and it whines like crazy. I have been driving it Very hard for about 25K miles and i havent had one problem.

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              • #8
                Re: Does rear dif make loud whining noises?

                Originally posted by Ace
                I put a Richmond 3.73 gear in and it whines like crazy. I have been driving it Very hard for about 25K miles and i havent had one problem.
                Your pinion depth was set incorrectly when the gears were installed. Gears should be QUITE.

                Brian
                sigpic

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                • #9
                  Re: Does rear dif make loud whining noises?

                  Originally posted by gonzoflick
                  Well I opened up the rear diff and only a little fluid came out. some of the bolts were loose so it probably dripped slowly out. I refilled, replaced gasket, and retightened the bolts. Last night it seemed to have quieted the rear but this morning driving around especially on the high way I still hear the whining. is there some wear in period on new fluid that still causes it to whine? What else could it be. My diff looked ok when I had the cover off

                  Check to see if your pinion nut has begun to back off. If you ran low on fluid you may have a bearing going out or scored the gears. If it's a bearing it will get worse. If the gears were scored it will most likely not get any louder, but may have shortened the life of the gear set.

                  Brian
                  sigpic

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