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  1. #1
    Join Date
    May 2014

    Default drain or flush transmisson fluid when changing?

    Hello all
    when doing a transmission fluid change should I be draining it or flushing it? I remember reading some time back that flushing isn't recommended for Volvos, what do you usually do?
    and what fluid do you use and how much do I need?
    Last edited by dressedingreen; 05-22-2014 at 09:30 AM.

  2. #2
    Join Date
    Apr 2003
    New Jersey


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  3. #3
    Join Date
    Feb 2010
    Virginia Beach


    A cooler line exchange won't hurt it, in my opinion (other disagree with me on that point). That's the "Gibbons Flush" described on this forum under resources. It's also what IPD describes in their kit. If you drain it, you exchange about 3.5 QT of the total 8 QT capacity. You'll have to do that several times to get close to a 100% fluid exchange.

    It would help to know how many miles on this car, and what service has previously been done to the transmission...

    I did the cooler line exchange on my XC when I bought it - it had just over 90,000 miles on it then. The transmission worked far better after the fresh fluid was in it. Eventually, I had the valve body rebuilt, but that's another story. Exchanging fluid is basic maintenance.
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