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2001 Volvo V70XC/AWD/Auto/Turbo/164k Miles (Maroon)
2001 Volvo XC70/AWD/Auto/Turbo/151k Miles (Brown)
2002 Subaru Outback L.L. Bean/3.0/131K/AWD (Maroon)
2005 Volvo XC90/AWD/V8/Auto 111K Miles (Black)
2006 Toyota Sienna LE/AWD 124K Miles(Green)
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1985 BMW (E23) 735i(US)/AUTO/209K Miles (Parked since 2011)
1997 Mazda MPV/AUTO/4WD/173K Miles (Parked since 2008)
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 (126K, Michelin AS4, HPL 0W40)
2005 MB SL600 (55K Michelin AS4, Mobil 1 0W40)
2004 V70R (143K, six speed M66, HPL 5W40)
2004 XC90 (235K, HPL 0W30 Euro)
2002 V70-XC (295K, HPL 0W30 Euro)
2002 V70-T5 (225K, IPD bars, Bilsteins)
2001 V70-T5 (125K, IPD downpipe, cat back and other mods)
1932 Packard Sedan (straight 8, dual sidemounts, original paint and interior, Shell Rotella 15W40)
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.
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
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.
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