V710 won't hold air

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  • JGood
    R3V OG
    • Jan 2004
    • 7959

    #1

    V710 won't hold air

    I have a set of v710's, and 1 tire just kind of stopped holding air. It's a slow leak, maybe looses 2-3 psi per day. Any ideas? Maybe a remount/balance? They held air fine all summer.
    85 325e m60b44 6 speed / 89 535i
    e30 restoration and V8 swap
    24 Hours of Lemons e30 build
  • netcsk
    E30 Mastermind
    • Apr 2004
    • 1609

    #2
    It's usually a nail. Take it anywhere that does tire work and they'll find the problem for you.

    Comment

    • Joe318is
      R3V OG
      • Sep 2005
      • 6451

      #3
      Check bead leaks also, take soapy water and spray the entire tire down, look for a leak.

      Even the core of the valve stem could cause it.


      Originally posted by vlad
      Do you know anybody else who built that many bad ass E30s?

      Comment

      • JGood
        R3V OG
        • Jan 2004
        • 7959

        #4
        Originally posted by netcsk
        It's usually a nail. Take it anywhere that does tire work and they'll find the problem for you.
        I checked for nails. I use the tires for track days, they definitely get inspected after every session...

        I don't think it's leaking fast enough for the bubble trick to work, like I said, 2-3 psi per day.

        I'll just have it remounted and put in a new valve stem.
        85 325e m60b44 6 speed / 89 535i
        e30 restoration and V8 swap
        24 Hours of Lemons e30 build

        Comment

        • Farbin Kaiber
          Lil' Puppet
          • Jul 2007
          • 29502

          #5
          Originally posted by JGood
          I checked for nails. I use the tires for track days, they definitely get inspected after every session...

          I don't think it's leaking fast enough for the bubble trick to work, like I said, 2-3 psi per day.

          I'll just have it remounted and put in a new valve stem.

          "Bubble" trick always works, you just have to take it to a shop with a full submurge tank and hold it under the water level. once the waves stop even a 1 psi leak will show.

          Comment

          • JGood
            R3V OG
            • Jan 2004
            • 7959

            #6
            Originally posted by Farbin Kaiber
            "Bubble" trick always works, you just have to take it to a shop with a full submurge tank and hold it under the water level. once the waves stop even a 1 psi leak will show.

            Well I can submerge the tire in water. I'll just chop a 55 gal drum in half. I just didn't think I would see bubbles from a leak that slow. But I guess the air has to come out somehow...
            85 325e m60b44 6 speed / 89 535i
            e30 restoration and V8 swap
            24 Hours of Lemons e30 build

            Comment

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