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Thread: Fluid leaking

  1. #31
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    Mar 2013
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    Anchorage, Alaska
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    Click image for larger version. 

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    I think I got the answer I was looking for. I needed to make sure where the rings will be, at least get me prepared before I get there. Now I know why the set comes in one green and two yellow rings.
    2001 Volvo XC70/AWD/Auto/Turbo/146kMiles (Brown)
    2001 Volvo V70XC/AWD/Auto/Turbo/144kMiles (Maroon)
    2006 Toyota Sienna LE/AWD 93K (Green)
    --------------------------------------------------------------------------------------
    1985 BMW (E23) 735i(US)/AUTO/209K Miles (Parked since 2011)
    1997 Mazda MPV/AUTO/4WD/173K Miles (Parked since 2008)
    2002 Subaru Outback L.L. Bean/3.0/131K/AWD (Parked since 2017)

  2. #32
    Join Date
    Feb 2010
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    Virginia Beach
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    3,959

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    Great picture!

    Now we know...

    Better than my description is IPD's instructions for the flush, which you can download (even without buying the kit) here:

    https://www.ipdusa.com/products/4808...lvo-IPD-107945
    Current Fleet:
    2016 Tundra Crewmax 4WD 1794
    2005 MB S600 (100K, Michelin AS3+, M1 0W40)
    2002 V70-XC (258K, Castrol Edge 0W40)
    2002 V70-T5 (208K, IPD bars, Bilsteins)
    2001 V70-T5 (92K)
    1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)

  3. #33
    Join Date
    Mar 2013
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    Anchorage, Alaska
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    Quote Originally Posted by Oka View Post
    Click image for larger version. 

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    I think I got the answer I was looking for. I needed to make sure where the rings will be, at least get me prepared before I get there. Now I know why the set comes in one green and two yellow rings.
    Just called CarQuest parts store in town, gave them the part number 988840 (yellow o-ring), they have it but theirs is green. Then I gave her the part number 968757 (green o-ring), she said that is green also. For them, both parts are green in color. Very confusing. Looking at online pictures, the green one looks a hair thicker. Why not make both ends use the same o-ring? Oh well! I'll reuse the inner yellow ring since I need to do the project this weekend.

  4. #34
    Join Date
    Jan 2009
    Location
    Sacramento, CA
    Posts
    131

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    I've measured these o-rings in the past. Not sure if these measurements are 100% accurate but as close as I could get to the available metric sizes available. I had planned on purchasing these size o-rings to have them on hand but haven't done it yet so can't confirm if these size o-rings will work. You can see though the two are different sizes and not interchangeable.

    The green o-ring measured 2.5MM CS X 11mm ID
    https://www.theoringstore.com/store/...oducts_id=1997


    The yellow o-ring measured 1.78mm CS X 10.82mm ID
    https://www.theoringstore.com/store/...ducts_id=41977

  5. #35
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    Mar 2013
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    Quote Originally Posted by FirstVolvo View Post
    I've measured these o-rings in the past. Not sure if these measurements are 100% accurate but as close as I could get to the available metric sizes available. I had planned on purchasing these size o-rings to have them on hand but haven't done it yet so can't confirm if these size o-rings will work. You can see though the two are different sizes and not interchangeable.

    The green o-ring measured 2.5MM CS X 11mm ID
    https://www.theoringstore.com/store/...oducts_id=1997


    The yellow o-ring measured 1.78mm CS X 10.82mm ID
    https://www.theoringstore.com/store/...ducts_id=41977
    Yep, the green is larger. And maybe it's just me, though the yellow one is thinner, it feels softer.

    Click image for larger version. 

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    Last edited by Oka; 05-13-2021 at 05:34 PM. Reason: Clarity

  6. #36
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    Jan 2009
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    Sacramento, CA
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    The ID is close but the 2.5mm cross section makes the green o-ring larger overall.

    It could be the yellow o-ring is softer, lower durometer o-rings are softer and seal better but not for high pressure use. The trans coolant lines are low pressure so a lower durometer(softer) o-ring can be used.

    https://www.rocketseals.com/blog/201...st%20compounds.

  7. #37
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    Mar 2013
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    Quote Originally Posted by Oka View Post
    Yep, the green is larger. And maybe it's just me, though the yellow one is thinner, it feels softer.

    Click image for larger version. 

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ID:	9450Click image for larger version. 

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    Silly me, I forgot to mention what I did in those pictures.
    The first image is the yellow ring on top of the green, and the second picture, the green ring on top of the yellow ring.
    I was comparing the rings visually.

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