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I am not sure how they can legally do this however...

If you can "only use" Castrol Pro, and it is not available outside of a volvo dealership... then they have to do the service for free. If Liquid Moly and other oils that meet their spec are not allowed under the warranty, then they must provide the oil changes for free. Or get sued.
I think they are referring to the 3 complimentary oil changes. As of warranty maintenance, it still should be covered if an approved (not "recommended" ) Volvo oil is used. For instance, both Motul and Liqui Moly are approved by Volvo. You can find the approval document online.

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I am not sure how they can legally do this however...

If you can "only use" Castrol Pro, and it is not available outside of a volvo dealership... then they have to do the service for free. If Liquid Moly and other oils that meet their spec are not allowed under the warranty, then they must provide the oil changes for free. Or get sued.
I think the conversation in the TJ's is with the dealer. There was a time when oils the dealers were using actually damaged camshafts in pockets of the country. They're effectively telling the dealer to use what we tell you, or your on your own. As a consumer. your only requirement is to use products that meet the manufacturer's specs, unless you don't worry about warranty coverage.
 

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I am not sure how they can legally do this however...

If you can "only use" Castrol Pro, and it is not available outside of a volvo dealership... then they have to do the service for free. If Liquid Moly and other oils that meet their spec are not allowed under the warranty, then they must provide the oil changes for free. Or get sued.
There have been a few Volvo approved oils with Volvo Spec RBS0-2AE/SAE 0W-20 in the market since the SPA XC90 were introduced. While for the a few years Volvo Cars US deviated from the WW standard of RBS0-2AE 0W-20 in the US and going with Castrol Synthetic 5W-30 as the recommended oil they have snapped to the global standard and are not also getting Castrol's flavor of RBS0-2AE 0W-20 to be available. It's their recommended and RBS0-2AE 0W-20 is the new requirement. I've been using LiquiMoly Tec V RBS0-2AE 0W-20 and others here have been using it or Ravenol (also another trusted German brand). I believe Total is also available with the same Volvo required spec.

Why do you feel it's a legal issue when there have been options and continue to be options that are with Volvo Cars' requirement?
 

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We really need a new thread - 0w20 out, 5w30 in. :)

Global governmental vehicle regulations call for improved fuel efficiency and reduced greenhouse gas (GHG) emissions. One of the ways to achieve these is through the use of lower high temperature high shear (HTHS) viscosity.
source

When selecting an engine lubricant for your vehicle, you should take a few things into account:
  • A lubricant with low HTHS viscosity improves fuel efficiency.
  • A lubricant with high HTHS viscosity offers better protection for engine parts
source

5w30 HTHS is generally 3.0 - 3.2. The 0w20 oils that meet RBS0-2AE have an HTHS of 2.7 - 2.8.

128079


I prefer better engine protection to < 1% fuel savings.
 

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We really need a new thread - 0w20 out, 5w30 in. :)

source

source

5w30 HTHS is generally 3.0 - 3.2. The 0w20 oils that meet RBS0-2AE have an HTHS of 2.7 - 2.8.

View attachment 128079

I prefer better engine protection to < 1% fuel savings.
I myself wonder at this, because Volvo says the oils must meet ACEA A5/B5... but most oils that meet this spec are 5w-30, not 0w-20.

The Volvo spec oils in 0w-20 I have seen meet ACEA A1/B1 and C5.
 

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I myself wonder at this, because Volvo says the oils must meet ACEA A5/B5... but most oils that meet this spec are 5w-30, not 0w-20.

The Volvo spec oils in 0w-20 I have seen meet ACEA A1/B1 and C5.
That's right, A5/B5 was the interim requirement specific for 5W-30 oils and it isn't in spec for 0W-20. They are exclusive of each other. The 0W-20 oil's spec is RBS0-2AE. This is how the manual in the US read; in the context of 5W-30 it must be A5/B5 when they were recommending a more conventional weight of oil in the US as an exception to their global standard. Note, ROW was 0W-20 exclusively.

See below, Initially in the US the manual was written specifying an A5/B5 based on 5W-30 as providing "good fuel economy and engine protection" under "normal use". And, it was always clear that for the best protection you should seek out VCC RBS0-2AE 0W-20 especially for "extreme engine operation".

Clearly after a few years of sampling 5W-30, it's proved not to be sufficient, there have been documented engine failures due to inadequate flow around the pistons (examples in this forum from 5W-30), and they've snapped the US over to the ROW 0W-20 using RBS0-2AE.

This new insert makes it a clearer distinction that A5/B5 is for 5W-30 and exclusive of RBS0-2AE 0W-20. It also more clearly states, that RBS0-2AE 0W-20 is the preferred oil in 4-cyl VEA. And a proper warning indicating NOT to use it in 5 or 6cyl engines which weren't designed for use with that viscosity.



The VEA 4Cyl engines were designed with different and more precise tolerances for which 0W-20 is required as has been shown by other forum posts where piston rings and piston replacements demonstrated how 5W-30 tended to clog the rings. Upon engine rebuilds or replacements Volvo explicitly states use of anything other than RBS0-2AE 0W-20 voids any warranty that was conferred to the repair or new engine.

The move to 0W-20 is intentional for new fuel efficiency standards and in many cases, like in Volvo's new SPA cars, by design of the engine to necessitate 0W-20. A5/B5 5W-30 ultimately didn't meet the viscosity and wear requirements to adequately service VEP engines. Volvo's very proactive campaign direct to owners and through its dealer network makes it clear that 0W-20 is the engine oil that best works in these engines.

There are a few here who have either modified 😜 their 4cyl with parts from the P2 XC90 parts bin (2014 and older) that were designed for use with 5W-30 or synthetic 0W-40 for extreme use (what we use in our 2010), or know better 🧐 than engineers who designed the engines to work with specific weights. There have been a few posts mentioning consequences of using 5W-30 which have led to clogged piston rings and other issues which likely contributed to Volvo pivoting to their design standard to also apply in the US for the new 4 cylinder engines in SPA and CMA cars.
 

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Got the results back from the Amsoil 5w30 Signature oil on the 2017. I'm equally unimpressed as with the 0w20 Eurp oil. I will no longer be using Amsoil. Even Pennzoil Ultra 5w30 yielded better metal wear numbers overall. I'm starting to think Amsoil is a gimmick, even with carrying Volvo's spec.


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I'm starting to think Amsoil is a gimmick, even with carrying Volvo's spec.
Volvo's spec has prioritized fuel economy over engine wear. They require a low HTHS (lower shear stability) oil, like most modern manufacturers.

 

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Volvo's spec has prioritized fuel economy over engine wear. They require a low HTHS (lower shear stability) oil, like most modern manufacturers.

I remember seeing this! Oddly enough, I didn't get any better gas mileage on my former early model 2020 (with Castrol 5w30 from the factory) than I do right now with my 2021 with Castrol 0w20. I would have had the 2021's oil for analysis, but the dealer changed it at about 10k miles without me planning on it.

Maybe behind the scenes Volvo, as well as numerous other manufacturers, are investing in the inevitable future of premature engine failure during the transition to battery power...to corner customers into one choice? Nice way to make a customer's money go to waste

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Improving fuel efficiency by 0.5% across a fleet of vehicles is not nothing, but it comes at a cost (increased wear for aluminum and copper).

I reject their engineering decision, especially because I already average 50+ mpg in my T8.
I like how Volvo flexes engine protection as one of the reasons Volvo spec 0w20 is required


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I like how Volvo flexes engine protection as one of the reasons Volvo spec 0w20 is required
Well, Volvo is correct on improved fuel economy (~0.5%) and engine performance (< 0.5%) due to lower pumping losses. Dead wrong on "engine protection", unless they're comparing to a non-synthetic 0w20 oil.

Professional racers run the thinnest oil that can survive between engine rebuilds, say every 500 miles. But, in racing, a 0.5% power increase matters and reliability, beyond the rebuild interval, is inconsequential.
 

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Got the results back from the Amsoil 5w30 Signature oil on the 2017. I'm equally unimpressed as with the 0w20 Eurp oil. I will no longer be using Amsoil. Even Pennzoil Ultra 5w30 yielded better metal wear numbers overall. I'm starting to think Amsoil is a gimmick, even with carrying Volvo's spec.


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Is Amsoil an Amway style of home/pyramid scheme type of sales model?

We're on a big road trip and currently going through Midwest. I've never seen it before and now just at about every home we drive by in WI towns and on rural highways advertise "Amsoil sold here". Even a couple of NAPA stores I've seen the sign in the window.
 
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Do people ”really”, no, “really“ look at charts when buying oil? WOW! How about you use what is recommended or don’t, and deal with the consequences. I mean, the oil threads on this forum are beyond redundant. One common “thread” if you will, is that everyone has their own opinion and their own unique situation. If you don’t have a unique situation, be it performance or climate, (extremes in either instance) then use what is recommended. (Especially if it is what is recommended to keep you in warranty)

Otherwise, use magenta.……Someone will get it…..
 
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Is Amsoil an Amway style of home/pyramid scheme type of sales model?

We're on a big road trip and currently going through Midwest. I've never seen it before and now just at about every home we drive by in WI towns and on rural highways advertise "Amsoil sold here". Even a couple of NAPA stores I've seen the sign in the window.
Yeah, I've seen people trying to plug Amsoil and I think it's similar to what you describe. Anyone can buy it online, but you can be a member and save money on all products. I'm just not that impressed after having the oil analyzed.

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Do people "really", no, "really" look at charts when buying oil? WOW! How about you use what is recommended or don't, and deal with the consequences. I mean, the oil threads on this forum are beyond redundant. One common "thread" if you will, is that everyone has their own opinion and their own unique situation. If you don't have a unique situation, be it performance or climate, (extremes in either instance) then use what is recommended. (Especially if it is what is recommended to keep you in warranty)

Otherwise, use magenta.&#8230;&#8230;Someone will get it&#8230;..
I'm using what's required by Volvo and using the oil analysis as feedback on how it performed. Trying to narrow down what Volvo approved oil seems to yield the best results

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