Scion Xb 0w30 Group IV Oil Choice

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5w30 is required per the owners manual. Toyota would have one heck of a time voiding my mothers warranty for using 0w30..........




On the contrary, Toyota can very easily deny warranty coverage on certain engine repairs if you use a non-approved viscosity.
 
SubLGT,
How would they know if the oil I purchase is an approved viscosity? Even if they tested the oil (beyond a standard UOA), I would think it would be difficult to tell (oils thin and thicken during use). IMO, it seems completely logical that a 0w30 would work in any automotive application that a 5w30 would. Anyway, do you have any suggestions on oils?

Jason
 
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SubLGT,
How would they know if the oil I purchase is an approved viscosity? Even if they tested the oil (beyond a standard UOA), I would think it would be difficult to tell (oils thin and thicken during use). IMO, it seems completely logical that a 0w30 would work in any automotive application that a 5w30 would. Anyway, do you have any suggestions on oils?

Jason




If an oil related issue arises, they will want to see your oil purchase receipts, and the receipts will very often have the viscosity printed on them. I agree that a 0W30 is an excellent substitute for a 5W30, but most auto manufacturers will look for any and all reasons to reduce their warranty pay outs.
 
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SubLGT,
How would they know if the oil I purchase is an approved viscosity? Even if they tested the oil (beyond a standard UOA), I would think it would be difficult to tell (oils thin and thicken during use). IMO, it seems completely logical that a 0w30 would work in any automotive application that a 5w30 would. Anyway, do you have any suggestions on oils?

Jason




If an oil related issue arises, they will want to see your oil purchase receipts, and the receipts will very often have the viscosity printed on them. I agree that a 0W30 is an excellent substitute for a 5W30, but most auto manufacturers will look for any and all reasons to reduce their warranty pay outs.




Haven't we been though that myth before.

deadhorse.gif
 
My gas milage hasnt changed with either Amsoil Series 2000 or 3000. In the next month or two ill be changing back to Series 2000 since winter is about to start...after that who knows.
 
Pablo,
Thanks again for that suggestion. After checking out the ASL, I have decided to give it a try in my 2003 Olds van. That will reduce the number of oils I need to stock (2). Delvac for my TDI and ASL for the Scion and Olds.

Jason
 
Not sure what year xB your mom purchased, but my 2008 xB owners manual says to use 5W-20 or 0W-20. It even goes further and recommends 0W-20 for fuel efficiency and better cold weather starting. There's a Toyota TSB that states the same thing. That's what I'm using year round here in PA, and I use Toyota's own full synthetic 0W-20, Part number 00920-1QT0W. $4.50 per quart online at Mechanicsville Toyota or Sparks Toyota.
 
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SubLGT,
How would they know if the oil I purchase is an approved viscosity? Even if they tested the oil (beyond a standard UOA), I would think it would be difficult to tell (oils thin and thicken during use). IMO, it seems completely logical that a 0w30 would work in any automotive application that a 5w30 would. Anyway, do you have any suggestions on oils?

Jason




If an oil related issue arises, they will want to see your oil purchase receipts, and the receipts will very often have the viscosity printed on them. I agree that a 0W30 is an excellent substitute for a 5W30, but most auto manufacturers will look for any and all reasons to reduce their warranty pay outs.




Haven't we been though that myth before.

deadhorse.gif





Ford looked through and I WATCHED as they confirmed the UPC codes on my receipts when getting them to cover a repair.

So, they DO LOOK at receipts and DO CHECK on WHAT oil and TYPE you use.

They did on my repair.. (and did pay the $1200 to fix the Headgaskets).

Not a Myth in my case.

Bill
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PS: I'd recommend Pennzoil 5w-30 or Castrol GTX 5w-30 in the xB engine. My best UOAs (05 Toyota Corolla 1.8l) have been with those two oils durning the cold of the winter. Excellent MPG and engine is doing great!
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I have the same engine (1.5L) in my 2007 Yaris which is used in the Xb (not the 2.4L version), and the book says 5W-30, but the mentioned TSB from Toyota back-spec'd this to 5W-20, and for this reason I recommend 0W-20 or 5W-20 for your Xb engine.
 
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Lovcom,
Either you or I read it incorrectly. I thought I read the 20's were back speced for 2006 and newer...


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Jason,

2005 stays with 5w-30.

2006 or 07 or 08 can use 5w-20/0w-20.



Here is the TSB
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Bill
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Lovcom,
Either you or I read it incorrectly. I thought I read the 20's were back speced for 2006 and newer...

Jason
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Jason, yes Toyota back-spec'd many models for 5W-20 eventhough the manuals say otherwise. I went with the TSB and ignored my manual.

I would suggest the 0W-20 or 5W-20 if you have that 1.5L motor....it's safe and works fine.
 
Thanks for posting the TSB Bill!

Just for reference everyone, the 2005 manual and the later TSB both state to use 5w30 in your 2005 1.5L Scion. Will 5w20 hurt? Maybe not, but with the fuel dilution tendencies of this engine (in these conditions) I am going to stick with 0/5w30 I have concluded.

Jason
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Thanks for posting the TSB Bill!

Just for reference everyone, the 2005 manual and the later TSB both state to use 5w30 in your 2005 1.5L Scion. Will 5w20 hurt? Maybe not, but with the fuel dilution tendencies of this engine (in these conditions) I am going to stick with 0/5w30 I have concluded.

Jason
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Like I said above, I would run 5w-30 and enjoy the car.
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Bill
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