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The Flushing of America 900

posted by  someone claiming to be tjts1 on  Wed Apr 19 07:46 CST 2006 [RELATED]

Transmission flushes have been a hot topic around here for a while so I think this article is relevant to all the 960 owners out there trying to decide between draining the transmission themselves or going to a mechanic for a professional "flush machine". Happy reading.
The Flushing of America

If the link doesn't work, cut and paste.
http://www.thecarconnection.com/Enthusiasts/Mechanics_Tale/Mechanics_Tale_The_Flushing_of_America.S281.A10297.html


Justin








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    The Flushing of America 900

    posted by  spook on  Thu Apr 20 14:14 CST 2006
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    last visit: Fri Oct 24 08:06 CST 2014
    [RELATED]

    Dear Justin,

    Good p.m. and may this find you well. Interesting read. I had no idea, so many committed sins of the flush.

    Yours faithfully,

    spook








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    The Flushing of America 900

    posted by  rjk on  Wed Apr 19 17:07 CST 2006
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    last visit: Sat Dec 12 12:30 CST 2009
    [RELATED]

    Hey, what about flushing the old air from the tires and refilling with fresh new air. Perhaps it could be treated and dried before it is put in.
    --
    Bob K








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    The Flushing of America 900

    posted by  someone claiming to be dnice on  Wed Apr 19 16:13 CST 2006 [RELATED]

    A good read. Thanks for the info. I'll be flushing my rear diff. next.

    95' 964 164k








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    The Flushing of America 900

    posted by  Steve on  Wed Apr 19 09:32 CST 2006
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    last visit: Fri Oct 24 07:16 CST 2014
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    This is good advice: the overflushing is a problem. But not of brake fluid: Volvo's two-year recommendation is a good one for keeping the system clean and rust-free.
    --
    See the 700/900 FAQ under 'Select Link' button on the top right.








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      The Flushing of America 900

      posted by  someone claiming to be tjts1 on  Wed Apr 19 09:42 CST 2006 [RELATED]

      Agreed on the brake fluid. Also I want to stress that I am not advocating Volvo's lifetime fluid advice for transmission, differential or coolant. All three of these must be changed periodically. But the benefits of a flushing machine over a simple drain and refill is beyond me. Also remember that a transmission flush machine won't clean the magnets in the bottom of the pan.








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        The Flushing of America 900

        uid 18083's pic
        posted by  lucid on  Wed Apr 19 12:14 CST 2006
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        last visit: Fri Oct 24 12:31 CST 2014
        [RELATED]

        But the benefits of a flushing machine over a simple drain and refill is beyond me.

        The simple drain and refill accounts for maybe 2 1/2 quarts of the total 7+ quart capacity of the AW70/71, yielding a sludgy dilution rather than the clean, fresh result that flushing provides.

        Anything on the magnets is out of harm's way. And I never found anything on the "filter" screen when I used to drop the pan. Which may be why Volvo issued the following TSB:

        TSB 17106
        Dec 1990

        "ATF filter cleaning deleted"

        for 200/700/900
        for all those AW 70/70l/71/72L transmissions
        and for ZFHP22
        (Does NOT apply to BW*)

        "It is NO LONGER REQUIRED [capitalized in original] to clean and inspect the Automatic Transmission Filter..."
        --
        Bruce Young
        '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.








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    The Flushing of America 900

    posted by  B.C. on  Wed Apr 19 08:39 CST 2006
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    last visit: Wed Mar 28 22:28 CST 2012
    [RELATED]

    Good story. Thanks for spotting it and putting it here.

    Tell all friends, Volvo-owners or not.

    After being a several-year BB habitue, I know sooo much more about "To flush or not to flush" - that it is no longer a question.

    Regards,

    Bob

    :>)







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