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Issue going up hills S80 2001

posted by  Buddy513 on  Tue Dec 29 05:26 CST 2009
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last visit: Sat Feb 5 14:09 CST 2011
[RELATED]

When going up long hills at a constant speed (55 mph) the tach seems to be jumping a couple hundred rpms either way. when giving it the gas it seems to smooth out? Plugs, Fuel pump, Trans. HELP








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    Issue going up hills S80 2001

    posted by  KlausC on  Tue Dec 29 08:29 CST 2009
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    last visit: Fri Oct 24 10:15 CST 2014
    [RELATED]

    Transmission.

    But stop worrying about it! At 55mph, you are right at the edge where the torque converter locks up/frees up. It sounds like the torque converter is going from lock up to slip mode, which is perfectly normal. If it did this at 65mph, I would suspect a problem.

    Klaus
    --
    Proud owner of a 220S. If I had more room, I would have more Volvos.







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