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Genesis Forum: Oil Change 2017 G80
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  1. #16
    Mark_888 is online now Registered Member What I drive: 1G Genesis 3.8 V6 Sedan
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    Default Re: Oil Change 2017 G80

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    Quote Originally Posted by Jackthelad View Post
    Now, what on earth were Hyundai/Genesis thinking specifying a high end diesel focused Euro spec for the 3.8? First, it looks like the 3.8 is the only engine Genesis offers on the G80 in Europe, where that spec is in common use. Apart from that it's nuts. All they had to do was what Chevy did with the LS series engines - require a full synthetic, with the clear understanding that if you choose to use dino oil and fry your engine, they will deny any warranty claim.

    My issue with Genesis is that if they applied the same strategy, and denied any engine claims where, on analysis, the oil did not meet their specs, where their specs call for lubes that I bet their dealers do not have, we are all toast.

    Me? I think they are nuts. They should just specify full synthetic and be done.

    BTW, Mobil 1 used to be A5/B5 compliant - I have a NOS gallon jug of 5-30 with A5/B5 written on it, whereas the new stuff only has A1/B1 on the containers. I can only assume with all the fiddling with the additive packages that has been going on of late to help the manufacturers with CAFE, it no longer complies.
    I think some are making a lot of assumptions about Hyundai/Genesis Motors, and Exxon Mobil as to what their motives are for their specifications. In some cases it may be just incompetence, and in others it may be not wanting to bother with the cost of European Certification when that oil is not sold in Europe (Mobil 1 European Formula motor oils are different formulations due to their governments not allowing a Group III base stock to be called synthetic and because they have different amounts of anti-friction additives due to European environmental laws.

    The idea that Hyundai or Genesis Motors would deny a warranty claim for a customer using a 5W-30 or 0W-30 Mobil 1 product in the 3.8L V6 is so ridiculously absurd that it boggles the mind (although I would not use the Mobil 1 or any other High Mileage version since it can cause problems to engine seals if you ever stop using it).


  2. #17
    Mark_888 is online now Registered Member What I drive: 1G Genesis 3.8 V6 Sedan
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    Default Re: Oil Change 2017 G80

    Quote Originally Posted by Jackthelad View Post
    For a discussion of the differences between A1/B1 and A5/B5, this is an interesting site.

    http://www.lubrizol.com/en/Lubricant...s/ACEA-A5B5-10
    As already discussed, ACEA is a European Specification for motor oil.

    As most people know, Hyundai (and Genesis Motors) recommends Quaker State Motor oil in the US (QS and Pennzoil are owned by Shell Oil Products USA, and not generally marketed in Europe, where they sell Shell branded products instead). Hyundai Motors has a worldwide marketing agreement with Royal Dutch Shell regarding lubricants (although dealers are independent business). I checked the Quaker State website, and every one of the 5W-30 motor oils I saw (conventional, synthetic blend, and synthetic) has "N/A" next to the ACEA certification level in their spec sheets.

    I checked the Mobil 1 website against the individual specs for ACEA A5/B5, and their 5W-30 motor oils meet all of them, except for Evaporative Loss (Noack), but only because Mobil 1 does not report that number. From reading about tests and comparisons of various synthetic motor oils, I have never seen any complaints about Evaporative Loss using Mobil 1.

    What I find amusing, is that some, who believe that a conventional motor oil (ie, not synthetic) is fine and a synthetic is a waste of money, may be speculating about whether people who use Mobil 1 5W-30 (a full synthetic) will have their warranty denied due to lack of ACEA A5/B5 certification, when conventional oil is so much inferior to any synthetic that it is not even funny.

    Also, please don't ask you dealer service advisor about this. They are not motor oil chemists or engineers, and are just regular people who are trying get all the repairs done that day without their customers biting their heads off, and they will think you are psycho if you start asking questions about ACEA certification (but they will try and be polite about it).
    Last edited by Mark_888; 05-20-2017 at 03:13 PM.

  3. #18
    kn5owa is offline Supporting Member What I drive: 2G Genesis 5.0 V8
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    Default Re: Oil Change 2017 G80

    Quote Originally Posted by Mark_888 View Post

    The idea that Hyundai or Genesis Motors would deny a warranty claim for a customer using a 5W-30 or 0W-30 Mobil 1 product in the 3.8L V6 is so ridiculously absurd that it boggles the mind (although I would not use the Mobil 1 or any other High Mileage version since it can cause problems to engine seals if you ever stop using it).
    I started using Mobil 1 as soon as it became available in the Mid - 70's - there were all sorts of vague warnings back then that using Mobil 1 - or any synthetic - would destroy your "seals" plus your warranty. None were true, to my knowledge.

    It looks like you are resurrecting the old seal story on a new Mobil product - except kinda, in reverse.
    Drives '17 Nissan Altima V6
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  4. #19
    Mark_888 is online now Registered Member What I drive: 1G Genesis 3.8 V6 Sedan
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    Default Re: Oil Change 2017 G80

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    Quote Originally Posted by kn5owa View Post
    I started using Mobil 1 as soon as it became available in the Mid - 70's - there were all sorts of vague warnings back then that using Mobil 1 - or any synthetic - would destroy your "seals" plus your warranty. None were true, to my knowledge.

    It looks like you are resurrecting the old seal story on a new Mobil product - except kinda, in reverse.
    A very long time ago, there were some issues with some engine seals and synthetic motor oil. They have changed the additives in all synthetics, and changed seals also, so that is no longer a problem (and has not been a problem for many years now).

    As to the current situation, I was only talking about High Mileage oil (from any manufacturer, and not just synthetics). High Mileage oil should only be used on an engine that is using oil (or using too much oil), since it contains chemicals to swell the seals to prevent oil leaks. Do not ever switch to High Mileage oil just because your engine has 75K miles (as often indicated on the label). If High Mileage oil swells the seals to prevent leakage, and then you switch back to non-High Mileage oil, then one "may" encounter problems. Again, this has nothing to do with synthetics, and affects all High Mileage oil.

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