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Thread: Xc70 oil change

  1. #1
    Join Date
    Dec 2019
    Location
    New York
    Posts
    9

    Default Xc70 oil change

    Hey new used xc70 owner (2004 2.5t 130,000 miles) i dont know any of the history on this car, im doing a full tune up and oil change, i have a case of mobil 1 5w30 synthetic from my previous car i want to use, any known issues running this?

  2. #2
    Join Date
    Feb 2010
    Location
    Virginia Beach
    Posts
    3,910

    Default

    Mobil 1 is a good oil. No worries on its performance.

    It's not the best for an extended drain interval, however.

    While this is a bit of oversimplification, one could say that the base stock determines performance, the additive package determines life. (the additive package is actually a huge determinant in performance, too). So, you can have a great oil, that starts to sludge up before it gets changed simply because combustion byproducts have exhausted the additive package, and acids in the oil begin sludge formation.

    This engine tends to clog up the PCV system, causing all kinds of problems.

    The principal reason: USING THE WRONG OIL.

    What you really want in this car is an A3/B4 oil. Viscosity is just that - thickness. Oil is far more than simple viscosity.

    The other specifications determine suitability for your car. A3/B4 European specification is for extended drain intervals and ensures that the oil won't start sludge formation with an extended drain.

    One of the best oils on the market, and at the best price, for your car, proven through oil analysis done on my XC, is the Castrol 0W40, which is an A3/B4.

    It's available on Amazon (or at Walmart) for about $22/jug of 5 QTS. An outstanding bargain.

    https://www.amazon.com/Castrol-03101...8230956&sr=8-4

    I posted about oil selection on this board many years ago. There were a lot of responses. Read up if you're interested: https://www.volvoxc.com/forums/showt...Oil-Rant/page5

    IF not, then simply, buy an oil that meets MB 229.5 or ACEA A3/B4 and you're good for the extended drain.
    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. #3
    Join Date
    Dec 2019
    Location
    New York
    Posts
    9

    Default

    Thank you very much astro14, thats a fantastic price on the castro, ill go that route and save the mobil 1 for my daughters car. Thanks again!

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