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    1. #36
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by EdVQ37 View Post
      I would say for you, living in Texas? There is no advantage. The 5W to 0W is for very cold, freezing climates. Also the thinner 20 weight oil could be worse due to your hot climate in regards to oil film strength and sheering of the oil (bad) so I would just run the 5W30. No advantage for you to go to the thinner oil.
      Australian spec for whole country is 0W20
      Temperature wise, we go from below 0įC to above 45įC
      Weíre just getting on the back end of above 40įc for 14 days
      BTW...only the US specifies 5W30
      The rest of the world acknowledges 0W20
      Only the US has reported spark plug failure and oil consumption due to piston ring failure


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    3. #37
      Member lamarguy's Avatar
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      Quote Originally Posted by brett_xc90 View Post
      BTW...only the US specifies 5W30
      The rest of the world acknowledges 0W20
      Only the US has reported spark plug failure and oil consumption due to piston ring failure
      You're associating 5w30 usage with (1) spark plug and (2) piston ring failure?

      I'll ignore this one because I assume you're suffering from wildfire smoke inhalation...
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    4. #38
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      Iím honestly not too worried about the 0W20 being too thin. Iím in north TX, and itís not like west TX. We almost have 4 seasons here lol. While I wouldnít feel comfortable running it for 10,000 miles (that seems like a stretch), at 6 to 7,000 miles Iím willing to try it. I run 0W20 in my V8 Silverado and the oil analysis comes back good. While itís not super or turbo charged, it does have direct injection and is hard on oil. If I do go the 0W20 route in the T6, I will run an analysis on it for sure. Looking at the PDS for the Liqui-Moly, it seems to start out thinker than the 0W20ís available at the auto parts stores. Thereís a reason Volvo has a specific spec and not just GF-5 or Dex1 Gen2 like my truck uses.
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    6. #39
      Junior Member EdVQ37's Avatar
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      Quote Originally Posted by brett_xc90 View Post
      Quote Originally Posted by EdVQ37 View Post
      I would say for you, living in Texas? There is no advantage. The 5W to 0W is for very cold, freezing climates. Also the thinner 20 weight oil could be worse due to your hot climate in regards to oil film strength and sheering of the oil (bad) so I would just run the 5W30. No advantage for you to go to the thinner oil.
      Australian spec for whole country is 0W20
      Temperature wise, we go from below 0įC to above 45įC
      We’re just getting on the back end of above 40įc for 14 days
      BTW...only the US specifies 5W30
      The rest of the world acknowledges 0W20
      Only the US has reported spark plug failure and oil consumption due to piston ring failure


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      Not true, 5w30, 0w30, 0w20 all specs used in Canada for the SPA cars.

    7. #40
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      Quote Originally Posted by EdVQ37 View Post
      This is a picture of my owners manual from a 2018 XC90 T6 R-design.

      5w30, 0w30 and 0w20 are all applicable and perfectly fine for use in my Canadian spec Volvo.

      I wonder what changed from 2017 to 2018? Yours holds less oil than my 2017 T6. Weird!
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    8. #41
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by EdVQ37 View Post
      Not true, 5w30, 0w30, 0w20 all specs used in Canada for the SPA cars.
      I stand corrected


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    9. #42
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by lamarguy View Post
      You're associating 5w30 usage with (1) spark plug and (2) piston ring failure?
      Itís been proven.

      Spark plug failure due to 5w30 oil creating cold spots
      Piston ring failure due to improper lubrication

      Donít take my word for it though. Research it yourself

      Quote Originally Posted by lamarguy View Post
      I'll ignore this one because I assume you're suffering from wildfire smoke inhalation...
      An attempt to be funny when multiple lives have been lost due to the most devastating fire this country has seen doesnít sit well with me


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    10. #43
      Junior Member brett_xc90's Avatar
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      @BriDroid
      Iíve swapped over to the LiquiMoly V spec 0W20 as itís easier to get than the Castrol here in AUS.
      It performs well.
      I agree with you that 10k miles is a long time between drinks and will also be changing mine more often


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    11. #44
      Junior Member EdVQ37's Avatar
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      Quote Originally Posted by BriDroid View Post
      Quote Originally Posted by EdVQ37 View Post
      This is a picture of my owners manual from a 2018 XC90 T6 R-design.

      5w30, 0w30 and 0w20 are all applicable and perfectly fine for use in my Canadian spec Volvo.

      I wonder what changed from 2017 to 2018? Yours holds less oil than my 2017 T6. Weird!
      Are you sure? Double check your manual. As far as I know, nothing has changed. Interesting.

    12. #45
      Member lamarguy's Avatar
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      Quote Originally Posted by brett_xc90 View Post
      Itís been proven.
      I'll bite - let's see your "proof". Ha.

      Quote Originally Posted by brett_xc90 View Post
      Spark plug failure due to 5w30 oil creating cold spots
      That wasn't the cause.

      The spark plugs were the wrong heat range (spec'd too "hot"). The advantage of a "hotter" plug is it produces less emissions at cold start, but if it gets too hot - the insulator cracks.

      Quote Originally Posted by brett_xc90 View Post
      Piston ring failure due to improper lubrication
      I'd love for you to define "improper lubrication". Should be an excellent read.

      5w30 provides proper lubrication within the spec'd temp range. In fact, it provides improved film/shear strength at high loads (compared to 0w20).

      0w20 is spec'd to improve fuel economy. Period.
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    13. #46
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by lamarguy View Post
      I'll bite - let's see your "proof". Ha.



      That wasn't the cause.

      The spark plugs were the wrong heat range (spec'd too "hot"). The advantage of a "hotter" plug is it produces less emissions at cold start, but if it gets too hot - the insulator cracks.



      I'd love for you to define "improper lubrication". Should be an excellent read.

      5w30 provides proper lubrication within the spec'd temp range. In fact, it provides improved film/shear strength at high loads (compared to 0w20).

      0w20 is spec'd to improve fuel economy. Period.
      Wow. Quite the sarcastic one!
      Iíll allow you to do the research yourself.

      0W20 is not specíd solely for fuel economy. Itís specifically specified in the US/CAN for extreme driving conditions

      Itís in your manual

      Everywhere else is just the norm.



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    14. #47
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      Quote Originally Posted by EdVQ37 View Post
      Are you sure? Double check your manual. As far as I know, nothing has changed. Interesting.
      Here is from the 2017 manual. All I have on my iPad is the pdf from Volvo. Iíll double check the paper manual tomorrow.

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      Quote Originally Posted by BriDroid View Post
      Here is from the 2017 manual. All I have on my iPad is the pdf from Volvo. Iíll double check the paper manual tomorrow.

      Just ran out and checked, my paper manual says the same thing, 6.2 quarts or 5.9 liters.
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    16. #49
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      It was a fine read Iíll just add to the mix what you will receive now when you buy 2020 model.


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    17. #50
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      Quote Originally Posted by BriDroid View Post
      Quote Originally Posted by BriDroid View Post
      Here is from the 2017 manual. All I have on my iPad is the pdf from Volvo. I’ll double check the paper manual tomorrow.

      Just ran out and checked, my paper manual says the same thing, 6.2 quarts or 5.9 liters.
      That’s interesting. I’ll do some research tomorrow.

      I’ll see what my foreman has to say. He recently completed a Global Volvo challenge for service technicians and finished 2nd in the world (Sweden placed 1st.) He lives and breaths all things Volvo, He’s like the Volvo Oracle. lol

    18. #51
      Member lamarguy's Avatar
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      Quote Originally Posted by brett_xc90 View Post
      Iíll allow you to do the research yourself.
      Nice. You remind me of the 'stralian subscribers who send unsubstantiated nonsense to this youtuber - https://www.youtube.com/user/AutoExpertTV
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    19. #52
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      Interesting, I'm using Volvo spec 0w20 oil but my dealer is putting 5w30 during my annual visit.

    20. #53
      Tech has posted many times that the 0w20 is recommended for engines with consumption issues. But that switching over to it even without a consumption issue will do no harm. Therefore, I'm more inclined to believe a technician who works on Volvos day in and out to know than backyard techs feuding over the issue. While maybe not right in 100 degree Texas Humidity (Houston, Brownsville, etc) it's a good choice for majority of us to use.

      I intend to keep my car long term, and prefer to avoid the dreaded oil consumption / piston ring issue. If spending a few extra dollars on 0w20 will achieve the goal of long term ownership, I see no reason to skimp.

    21. #54
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by lamarguy View Post
      Nice. You remind me of the 'stralian subscribers who send unsubstantiated nonsense to this youtuber - https://www.youtube.com/user/AutoExpertTV
      Very good.
      You keep doing you. Itís obviously got you this far


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    22. #55
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      Quote Originally Posted by MyVolvoS60 View Post
      Tech has posted many times that the 0w20 is recommended for engines with consumption issues. But that switching over to it even without a consumption issue will do no harm. Therefore, I'm more inclined to believe a technician who works on Volvos day in and out to know than backyard techs feuding over the issue. While maybe not right in 100 degree Texas Humidity (Houston, Brownsville, etc) it's a good choice for majority of us to use.

      I intend to keep my car long term, and prefer to avoid the dreaded oil consumption / piston ring issue. If spending a few extra dollars on 0w20 will achieve the goal of long term ownership, I see no reason to skimp.
      I’m curious, what is it that you think 0w20 offers over 5w30 or 0w30 and why?

      So far Volvo’s own oil guide doesn’t show any benefit in any of the charts posted in regards to hot weather. Here’s a better question, do you know what the cause of the consumption/piston ring issue actually is?

      0w20 isn’t going to prevent oil consumption/piston ring issues. Poor craftsmanship is poor craftsmanship.

      Further more, 0w oil was developed for fuel economy and extreme cold weather climates. Period. If it’s protection you want, the 5w30/0w30 weight oil will provide more safety for those seals than the fuel milage friendly 0w20. How? Film strength of the thicker oil at normal operating temps and beyond is less volatile to viscosity fluctuation and shearing at temp.

      I too work with Volvo’s day in and day out for the largest retailing dealer in my country. Believe me when I say, when I post something, it’s is backed by creditable sources. In this case, everything I have posted is as per Volvo Canada’s own on field Chief engineer and many, many years of experience with Volvo and their engines.

      However, you are welcome to spend your money how ever you choose and best see fit.

      Again, as per the original topic of this thread, 0w20 offers no advantage to anyone in a HOT climate like where the OP is from (Texas).

    23. #56
      Junior Member EdVQ37's Avatar
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      Quote Originally Posted by inteller View Post
      NOT PROFESSIONAL!!!

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      Quote Originally Posted by MyVolvoS60 View Post
      Quote Originally Posted by inteller View Post
      NOT PROFESSIONAL!!!

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      You're 100% right. I don't see squat available for professional.
      You won’t find professional at a store, it was developed for the dealerships and service centres only. It’s the same thing as Castrol edge that is found at the retailers with one exception. It does not contain the leak detection dye that professional has in it. That’s the only difference.
      Last edited by EdVQ37; 01-06-2020 at 02:00 AM.

    24. #57
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      Quote Originally Posted by EdVQ37 View Post
      0w20 isnít going to prevent oil consumption/piston ring issues.
      If anything, I think 0W20 will lead to more oil consumption.
      Should the engine consume oil over time, I will consider a heavier oil.
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    25. #58
      Junior Member EdVQ37's Avatar
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      Quote Originally Posted by Zahra View Post
      Quote Originally Posted by EdVQ37 View Post
      0w20 isn’t going to prevent oil consumption/piston ring issues.
      If anything, I think 0W20 will lead to more oil consumption.
      Should the engine consume oil over time, I will consider a heavier oil.
      Correct and good plan!
      Last edited by EdVQ37; 01-06-2020 at 02:02 AM.

    26. #59
      Junior Member brett_xc90's Avatar
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      Quote Originally Posted by Zahra View Post
      If anything, I think 0W20 will lead to more oil consumption.
      Should the engine consume oil over time, I will consider a heavier oil.
      Be careful. There are threads here that say Volvo specify 0W20 oil AFTER an engine has been rebuilt due to piston ring failure...
      @tech will back this up

      Again...piston ring failure has only been seen in the US where 5W30 has been used more widely.

      As posted above, 0W20 seems to be the new weight in the US for 2020+ cars

      Condemn me all you like. Iíve done the research in a professional and courteous manner. Iím happy to be proven incorrect and accept failure if it can be shown Iím wrong...
      I ainít no redneck, cowboy who shoots from the hip with 1 opinion.


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    27. #60
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      Quote Originally Posted by MyVolvoS60 View Post
      Tech has posted many times that the 0w20 is recommended for engines with consumption issues. But that switching over to it even without a consumption issue will do no harm. Therefore, I'm more inclined to believe a technician who works on Volvos day in and out to know than backyard techs feuding over the issue. While maybe not right in 100 degree Texas Humidity (Houston, Brownsville, etc) it's a good choice for majority of us to use.

      I intend to keep my car long term, and prefer to avoid the dreaded oil consumption / piston ring issue. If spending a few extra dollars on 0w20 will achieve the goal of long term ownership, I see no reason to skimp.
      I did not say Volvo recommends it to prevent oil consumption. I said they said it can be used in any Drive-E engine.

      Quote Originally Posted by brett_xc90 View Post
      Quote Originally Posted by Zahra View Post
      If anything, I think 0W20 will lead to more oil consumption.
      Should the engine consume oil over time, I will consider a heavier oil.
      Be careful. There are threads here that say Volvo specify 0W20 oil AFTER an engine has been rebuilt due to piston ring failure...
      @tech will back this up
      Correct. I copy and pasted most of the TJ in this thread.

      For clarification, they don't say any 0W20. Just ones that meet the Volvo specification.
      Last edited by Tech; 01-06-2020 at 06:08 AM.

    28. #61
      Junior Member brett_xc90's Avatar
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      I recently swapped out using a Motul 0W20 oil to 5W30 liqui moly in another vehicle. Iíd been using the 0W20 for 2 service periods (around 18000 kms (or around 40 tanks of fuel)).
      Surprisingly, Iím now getting BETTER fuel economy...by 10% (another 45kms per tank)
      This is showing the opposite to what is widely recognised I.e. a lower weight oil will provide a better fuel economy...and yes, I was surprised

      Jus sayiní



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    29. #62
      Quote Originally Posted by Tech View Post
      I did not say Volvo recommends it to prevent oil consumption. I said they said it can be used in any Drive-E engine.



      Correct. I copy and pasted most of the TJ in this thread.

      For clarification, they don't say any 0W20. Just ones that meet the Volvo specification.
      If I recall, you said Volvo requires 0w20 in any engine that has been replaced due to oil consumption. So then I am confused. Why go to 0w20 in replaced engines if not for the benefit of preventing another problem?

    30. #63
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      I simply said what I pasted above.

      If a Drive-E engine is rebuilt or replaced, we are required to use the Castrol Edge Professional V 0W20.

      Otherwise, it is not required in the early Drive-E engines. But it can be used.

    31. #64
      Member drmanny3's Avatar
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      There seems to be a lot of conjecture here as to why a particular oil is recommended. I kind of doubt that the 5-30w oil was responsible for any engine failures in of itself. It sounds more like certain engines experienced a variety of issues. In the end when rebuilt those engines were better suited to 0-20w oil. Changing the rings, pistons, and what ever else is done could in fact benefit from a lower viscosity oil. There were also problems related to specific spark plugs. It could also be true that to achieve higher mpg that a lower viscosity engine oil is recommended. These could be two separate issues and not necessarily related. Without hearing from the engineers who made the recommendations we are just shooting in the wind for rational. Frankly as long as you use an oil that meets the Volvo requirements as stated by Tech above I hardly doubt you will notice much of anything. The chemist in me would see that the new viscosity 0-20w should flow better than the 5-30w. It may be that under extreme conditions (such as towing) that the easier flowing oil is preferred. That could affect a lot of things. It is not just the bottom end, but also all moving parts including the turbo charger and possibly the super charger if so equipped. I contacted Castrol and asked them if a certain oil met Volvo's requirements. While it was not stated on the outside of the container, she checked and told me I was good to go. I suspect we are making a mountain out of a molehill.
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      And as for why other countries aren't reporting oil consumption problems, those engines might have different rings. Different counties have different emissions and fuel economy rules.

    33. #66
      Quote Originally Posted by Tech View Post
      I simply said what I pasted above.

      If a Drive-E engine is rebuilt or replaced, we are required to use the Castrol Edge Professional V 0W20.

      Otherwise, it is not required in the early Drive-E engines. But it can be used.
      Ok let me clarify. What is the justification for using 0w20 in rebuilt engines? Clearly Volvo believes there is some benefit or wouldn't mandate switching from 5w30 to 0w20. What is Volvo's rationale for issuing a technical journal on the subject?

      Are the new rings designed to be used specifically with 0w20? Whereas, the older rings can use either 0w20 or 5w30? Or are you unsure of the justification.

    34. #67
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      I do not have any documentation that states an exact reason. I have a theory but I'd rather not speculate and fuel this fire.

    35. #68
      Quote Originally Posted by Tech View Post
      I do not have any documentation that states an exact reason. I have a theory but I'd rather not speculate and fuel this fire.
      Fair enough. Volvo clearly has a reason for the recommendation, but it could completely unrelated.

      Maybe the new rings were designed with 0w20 in mind? So swapping over means nothing to me, even though I had them use 0w20. Guess until Volvo comes out with an official statement, if ever, we'll never get a concise answer.

    36. #69
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      extreme engine operation are city driving with frequent start/stop, short trips, etc.
      0W flows better at low temperature. Modern engines are designed for these viscosities and every car brand performs endurance testing in various climates ( know this personally)
      we have two other cars in the household that are running on 0W since 2004 without issues.

    37. #70
      Junior Member gotart's Avatar
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      Never fails to amaze me. Talk about oil and there are an infinite amount of threads. Everybody's got an opinion. I just follow the the old car talk guys. Follow the manual and use synthetic. I use Mobil 1 oil- 5W-30 in my S40 & C70. Just to add my 2 cents on this topic- I had a bmw 2002 for 34 years. Engine went to 275,000 miles and I changed the oil every 3k ( Rx at that time- not now of course) and used 5w-30 -changed to heavier in the summertime to 10w-40w.
      So I don't know if Castrol Syn has any advantage over Mobil 1 (original producer of syn oil) or it's marketing item with Castrol as per their agreements.
      2011 S40 T5 Polestar-Barents-Convector Wheels/BLIS/R Type Spoiler
      2011- C70-T5 - Polestar--Electric Silver-Loaded- except Blis

      1987- Vanagon Westy Camper

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