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Weird ABS? S80 1999

posted by  pharmman2002 on  Wed Dec 6 09:46 CST 2006
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last visit: Sun Jul 11 14:19 CST 2010
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Ok, here's the deal. I live in sunny South Carolina and everyday my ABS lights up like a christmas tree with service needed, etc. My friend invites me to the frozen tundra of Lambeau field for a football game this past weekend and who am I to say no. So, I drive up to Green Bay, and lo and behold, my ABS does not light up one time in the freakin freezing weather of Wisconsin! My cruise worked the whole time, no "engine service" or anything! It was like my car was brand new! Not one time did I even get a service light. Well, I return Monday to my sunny home and wake up Tuesday to take my car to get all the salt and crap washed off at the car wash and on the way there my dash lights up like a christmas tree again! Can someone tell me what the heck gives, or do I just need to drive this thing in cold weather? Thanks in advance,

Dan








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    Weird ABS? S80 1999

    posted by  vitor on  Tue Jan 23 02:52 CST 2007
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    last visit: Sat Dec 8 05:01 CST 2007
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    Thank you guys.

    All the ABS control units (Installed on 96 and newer 850, 70 series and S80 models) will eventually fail after they reach 65,000 miles or 5 years. The average is 85,000 miles and/or 6 years for failures.

    A dealer will charge from $60.0 to $120.00 to diagnose the problem and about 95% of the cases the mechanic will recommend to replace the ABS control unit.



    Here's more information on this issue and a replacement alternative.

    Vitor's Volvo ABS website







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    Weird ABS? S80 1999

    posted by  Petergillespie on  Sun Jan 21 10:17 CST 2007
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    Hi
    It is one of the well known failures on the early S80 it is the ABS control module and it appears to be heat related .There is a guy in US who will repair
    YOUR unit ( no spares available in 2nd hand market ) do a search on this forum .
    you should be aware that whilst the warning light is on the ABS is disconnected
    I know I tested it and likely the traction control as well
    Usually fails at 65k miles seems no alternative to replacing unless you can
    remove and send to the guy mentioned above.







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    Weird ABS? S80 1999

    posted by  KlausC on  Wed Dec 6 10:56 CST 2006
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    last visit: Fri Oct 24 10:15 CST 2014
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    Green Bay is not as cold as all of the stories told by New Yorkers :) You could just move to Packer land and buy one of those stupid cheese hats (keeps your head warm).
    The ABS module fails because of excessive heat. The welds are extremely poor if you live in a warmer climate. Send the module off to Victor and it will never fail again!

    Klaus
    --
    1975 164 w/174,800mi (For Sale) 1995 850T w/91,000mi, 1998 V70R w/129,000mi








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    Weird ABS? S80 1999

    posted by  Wade on  Wed Dec 6 10:13 CST 2006
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    last visit: Tue Jan 28 18:35 CST 2014
    [RELATED]

    http://home.earthlink.net/~vicrocha/

    I just had the same problem with mine & if you will sign onto the website I've listed you can get it fixed for a fraction of the cost the dealer will charge. My estimate was over $600 & Vic fixed it for $140. He is very good and provides online instructions will illustrations showing exactly how to remove it etc. Took me less than 30 minute and had it back in about 8 days.

    Check him out. Lots of good references here.







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