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Thread: Leaking tyre bead

  1. 29th December 2012, 11:55 PM #1
    Hoges
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    Leaking tyre bead

    The front RHS tyre suddenly began to lose pressure and after much searching finally discovered a micro-leak between the rim and the bead. Tyre is a Cooper and has done about 40 thousand km.

    I've not had this problelm in 30 yrs of alloy rims... anyway from the Net it seems more prevalent than I thought. Most info points to corrosion and the 'fix' is to clean the rim and put some sort of laquer on it then reseat the tyre.

    Apart from taking it to the local tyre shop and getting it cleaned, is there any stuff which I might put inside through the valve stem to seal it?
    thanks
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  2. 29th December 2012, 11:59 PM #2
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    Slunnie
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    There is a green goo, but...... I'd go to the tyre place. It may just be dirt in the bead which is pretty common. Alloys shouldn't corrode like you're talking about.
    Cheers
    Slunnie


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  3. 30th December 2012, 04:09 AM #3
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    Take it to the tyre shop. There is a product just for sealing beads, if its not dirt etc.
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  4. 30th December 2012, 04:32 PM #4
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    I have had this problem a couple of times, just take it to the tyre place and they will break the bead and buff the edge of the rim and re seat it. My tyre place charges me $10 which is cheaper than any stuff you can buy to stick inside the tyre.

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  5. 30th December 2012, 05:41 PM #5
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    Iv found it easy enough to fix simple bead leaks myself with just a high lift jack and a compressor. My problem is usually stuff jammed in there from driving into trees and stuff. Plenty of YouTube vids to help.
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  6. 31st December 2012, 05:47 PM #6
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    Quote Originally Posted by Slunnie View Post
    There is a green goo, but...... I'd go to the tyre place.
    When I rode Postie bikes, we had , for a short time, tyres with green goo inside, get a leak, the goo oozes out, temporarily stopping the leak [ in theory], and giving an indication of a leak. Problem was, tests in the US proved the goo to be carcino-genic. No more green goo in postie bikes, Bob
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  7. 2nd January 2013, 11:03 AM #7
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    Corrosion on alloys normally from where the balance weights (steel retainer) is banged in. destroys the surface protection and galvanic sets in. Not necessarily obvious if tyre/weight is moved. Just continues. Alkaline soap solutions used in tyre fitting don't help.

    RF
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  8. 2nd January 2013, 06:24 PM #8
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    Another thing to do

    I have alloys with extra spares for three of our Land Rovers, so I dread repairing a flat.
    I need a decent bead breaker to get the bead over the safety ridge inside the alloy rim, the rest of the repair from there on would be easy.

    I don't like tyre pl-ers as they gouge into the alloy, nor do I like the impact type of truck tyre bead breaker, they all upset the sealing surface where the bead sits.
    .
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