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5W-30 out 0W-20 In

9506 Views 57 Replies 21 Participants Last post by  Ultrarunner511
For my 40K service today I see that the dealer used 0W-20 synthetic oil and not the 5W-30 used 11 months ago for the 30K service. Dealer told me that 0W-20 is the new specification issued by Volvo.
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Check the below Technical Journal


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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.
Read the whole thread and the TJ and the Volvo manual. Castrol 0w20 Professional V is recommended. Volvo spec Ow20 (VCC RBS0-2AE) is required. LiquiMoly, Motul, Amsoil, Ravenol are a few that carry the spec.

It's similar to any car that requires premium but recommends BP or Shell or whatever. Premium is required no matter where you get it from. The recommendation is just that: a recommendation.

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I read the TJ and it said "Volvo will not pay any oil maintenance claims that are performed without using Castrol Edge Professional V 0W-20 Synthetic oil."

Are they meaning they will not pay for service that does not use the Castrol? Or are they saying they will not pay claims arising from not using Castrol?

Otherwise, I will happily order the amsoil
Oil maintenance = oil change intervals under warranty. The wording is strange, but the TJ's have been updated. The Volvo manual is very clear (first photo)

Amsoil carries the Volvo spec. However, I wasn't that impressed with Amsoil's 0w20 Euro oil based this analysis (second photo). TBN, flashpoint, viscosity... all appear oddly low for oil with that little mileage on it. I found Volvo spec Castrol available online and at a local dealer, so I'll be using that for as long as possible.

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Where are you finding the castrol Volvo spec oil? Local dealer?

For me.. my area... its amsoil or Liquid moly
I found some on Ebay the first time from a eastern US dealer. Found some at a dealer in the Phoenix area. And recently ordered some from ECS Tuning:

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Nice! Thanks for the link!
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We really need a new thread - 0w20 out, 5w30 in. :)



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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