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#1 Mord

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Posted 09 October 2008 - 11:25 AM

Toyota sold me brand new Aygo filled with 10W-40 semi synthetic oil. I'm not very happy about it. The manual says that oil grades I can use are: 20W-50, 15W-40, 10W-30 and 5W-30. It doesn't mention 10W-40. I'm thinking about changing my oil to 5W-30 fully synthetic. I believe I can achieve even better fuel economy with fully synthetic oil.

Anyone uses other than Toyota 10W-40 standard oil?

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#2 Unklian

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Posted 09 October 2008 - 11:46 AM

Toyota sold me brand new Aygo filled with 10W-40 semi synthetic oil. I'm not very happy about it. The manual says that oil grades I can use are: 20W-50, 15W-40, 10W-30 and 5W-30. It doesn't mention 10W-40. I'm thinking about changing my oil to 5W-30 fully synthetic. I believe I can achieve even better fuel economy with fully synthetic oil.

Anyone uses other than Toyota 10W-40 standard oil?


Hi There.

From new for the UK market, according to everything I've read, the AYGO comes with:-

0W-30 oil.

In the owners manual, the thicker grades are only suggested for
warmer climates. I'm sticking with 0W-30.

Modern oils are very clever so most will do a great job but as you say,
thinner is better for fuel economy especially when weather is cold.

False economy buying cheap rubbish though.

Ian.

#3 Zaaro

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Posted 09 October 2008 - 07:23 PM

Doing my oil and filter change soon, will be getting 5w-30 fully synth

#4 zakelwe

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Posted 10 October 2008 - 06:30 AM

Doing my oil and filter change soon, will be getting 5w-30 fully synth


Considering the cost cutting Toyota show on the Aygo (one string holding the back parcel shelf up rather than 2 for instance) the oil they put in is probably equally cheap.

I did 600 miles on it and when it was removed it was a dark brown colour. I put in Mobil 1 0W-40 and that is a lot lighter after 6000 miles.

You want the thinnest synthetic oil possible with the Aygo to avoid drag and Mobil 1 is one of the best oils in the world.

Don't scrimp!

Regards

Andy

#5 kav

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Posted 26 October 2008 - 09:05 AM

0w, 5w,10w, 15w, 20w, is for winter. W, that means, WINTER.
But 20, 30, 40, 50, is the oil working tempareture. If you are located in cold climate, its wise to use an 5w/40 or 0w/40 oil. 10w/40 is also excellent . 5w/30 is recommended from Toyota, for economy reasons, the engine revs faster, it's warming up faster at a cold morning start, BUT you'll have MOOOOOOre vibrations and in hot climate or full load it will not protect your engine as good as an 40 oil.
It's a compromise between economy, protection of your engine after warranty expire, and climate.
I live in Greece and I've used 5w/30 Toyota fuel economy , 10w/40 Mobil S Semi-synth, and now and for ever I'll use 0w/40 Mobil 1 fully synth , at my Aygo MMT.

#6 walfice

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Posted 26 October 2008 - 12:14 PM

Im pretty sure W does not stand for winter.

#7 Unklian

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Posted 26 October 2008 - 03:24 PM

Im pretty sure W does not stand for winter.


Has done for years......

Interesting oil facts......

http://www.upmpg.com...roil_viscosity/

Ian.

#8 Zaaro

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Posted 27 October 2008 - 06:33 PM

Originally I was going to go for 5w/30 but reading the above in kav's post has made me reconsider

So I gather 0w/40 or 0w/30 fully synth is the way to go?

#9 adilmon

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Posted 30 October 2008 - 10:33 PM

Originally I was going to go for 5w/30 but reading the above in kav's post has made me reconsider

So I gather 0w/40 or 0w/30 fully synth is the way to go?


Note that in some vehicles, using thinner oil than the one the manufacturer suggested can cause the oil seals to leak. The Aygo's engine is still quite new, so it's up to you if you think it's an acceptable risk

#10 Parts-King

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Posted 31 October 2008 - 10:53 AM

5/30 oil is perfectly acceptable, as is 10/40 both SEMI synthetic

Using fully synthetic oil is not a requirment, and you will save yourself a few quid too! Go for quality BRANDED oils, there are many types available, and there is bound to be somebody who has a "special offer"

Kingo :thumbsup:

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