Tach damage

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  • kroberts
    Mod Crazy
    • Nov 2006
    • 680

    #1

    Tach damage

    While performing some instrument panel maintenance, I think I bumped my tach needle. After removal, I discovered that the clear plastic cover on my inst panel had come loose. I probably did it soon after. I have since re-glued it. Anyway, I didn't notice this until I got everything back together. Here is a picture of it with power off.



    Is it possible to turn the needle off its axis like this or have I done some irreparable damage?

    Where should the tach needle be pointing when power is off? At zero or a little before?

    TIA,

    kroberts
  • MikeE30325i
    Banned
    • Aug 2006
    • 2356

    #2
    The needle should be resting against the little stub.

    Comment

    • kroberts
      Mod Crazy
      • Nov 2006
      • 680

      #3
      which begs the question...What little stub?

      kr

      Comment

      • PiercedE30
        R3V Elite
        • Apr 2005
        • 4220

        #4
        That white spot next to the zero is where a little metal stub (think paper clip metal that is about 1 cm long) should be. I'm guessing you knocked it off and allowed the needle to float down. does it still read correct if you have the motor running?
        My 2.9L Build!

        Originally posted by Ernest Hemingway
        There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

        Comment

        • Mr Deagle
          E30 Enthusiast
          • Nov 2006
          • 1121

          #5
          That is the MPG meter

          You are getting 40 MPG


          That, or you money shifted to 10k rpm!!!

          /sarcasm

          Comment

          • AndrewBird
            The Mad Scientist
            • Oct 2003
            • 11897

            #6
            Originally posted by MikeE30325i
            The needle should be resting against the little stub.
            I don't think there is one of those on a tach. Only on the speedo.

            Best way to fix it is to drive without the cluster lens on. Then, drive at a certain MPH that you know what RPM you should be taching and adjust the needle to read correctly.

            Comment

            • jlevie
              R3V OG
              • Nov 2006
              • 13530

              #7
              I don't think there is one of those on a tach. Only on the speedo.
              I've got three clusters handy from 87+ cars and none have a stop in for the speedo and all have a stop pin for the tach.
              The car makes it possible, but the driver makes it happen.
              Jim Levie, Huntsville, AL

              Comment

              • MikeE30325i
                Banned
                • Aug 2006
                • 2356

                #8
                yeah i think it is always on the tach, and not on the speedo.

                he probably broke it off or something along those lines.

                Comment

                • kroberts
                  Mod Crazy
                  • Nov 2006
                  • 680

                  #9
                  Yeah, that's just a booger on the cover. I'm going to pull the cluster back out and see what's what.

                  dammit.

                  kr

                  Comment

                  • wickedE30
                    Mod Crazy
                    • Sep 2006
                    • 699

                    #10
                    Hey kroberts, Why don't you replace the tach? If you need to, let me know as I have an extra motometer "i" tach in the closet.
                    sigpic
                    88 M3,88 325ic,87 325is
                    e30s are like fat girls that USED to be hot, you just gotta work them out to make them hot again.

                    Comment

                    • AndrewBird
                      The Mad Scientist
                      • Oct 2003
                      • 11897

                      #11
                      Originally posted by jlevie
                      I've got three clusters handy from 87+ cars and none have a stop in for the speedo and all have a stop pin for the tach.
                      Guess I was thinking backwards.

                      Comment

                      • 88e30is
                        Mod Crazy
                        • Feb 2007
                        • 690

                        #12
                        I had some bumped my needle under that little stub once and had to take it back apart to get it above the stub but it did confuse me for a couple of minutes.

                        Comment

                        • kroberts
                          Mod Crazy
                          • Nov 2006
                          • 680

                          #13
                          Fixed!

                          I pulled the inst cluster back out and split it open. I GENTLY turned the tach needle and found that it stopped at about 5000rpm. So I just coaxed it forward until it sat at zero when released. Problem solved. Re-assembled and road checked. Mui Bueno.

                          Spot on accuracy is not a big deal with this car



                          But it gets good mileage and is fun to drive.

                          kr

                          Comment

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