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#962521 - 08/11/07 04:57 AM Toyota going thin??
ProfPS Offline


Registered: 05/25/05
Posts: 834
Loc: CT, YL of USSA aka Oceania
I stopped by a local Toyota dealer and notice that their '08 Highlander V6 3.5 and '08 Scion xB 4cyl 2.4 are now using 5w20/0w20 (oil cap labels). Has anyone else seen this and what are you comments on this move. I have an '07 Rav4 V6 that has labeled on the oil cap to use SL 5w30.
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#962522 - 08/11/07 05:05 AM Re: Toyota going thin?? [Re: ProfPS]
Triple_Se7en Offline


Registered: 12/04/04
Posts: 8172
Loc: 1/2 hr. north of Detroit
Go by your owners manual for oil viscosity specs. That oil filler cap may have been made three years ago.

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#962523 - 08/11/07 05:14 AM Re: Toyota going thin?? [Re: Triple_Se7en]
G-MAN Offline


Registered: 11/15/02
Posts: 8936
Loc: SC
It's true. Even the new Lexus LS460 specs 0w20.
_________________________
2014 Mercedes CLA 250 (Mobil 1 0w40)
2005 Corvette (RLI 5w30 HD Low Ash)

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#962524 - 08/11/07 05:18 AM Re: Toyota going thin?? [Re: ProfPS]
Donrim Offline


Registered: 12/11/06
Posts: 10
Loc: Illinois
Toyota changed over a large share of it's engines to 5W20 and 0W20 in March of 2006. The 2006 Highlander and 2007 Highlander already are specified for 20 weight oil.

ILSAC GF-4 ENGINE OIL
RECOMMENDATION
Models:
All 06 07 Toyota & Scion
Technical Service
BULLETIN

March 29, 2006

TSB UPDATE NOTICE:
Toyota Motor Corporation manufacturing plants have begun using ILSAC GF4 engine
oil. This engine oil is recommended due to its superiority in terms of fuel economy and
engine protection and due to its benefits for both the customer and the environment.
ILSAC GF4 can be used in all Toyota and Scion engines.

NOTE:
The recommended viscosity grade for this oil differs according to vehicle model.
Use the recommended grade specified on the oil filler cap or in the Repair Manual
or Owners Manual for each vehicle.
For Prius vehicles, refer to TSB No. EG05004, Engine Oil Specifications.
2006 2007 model year Toyota and Scion vehicles.
OP CODE DESCRIPTION TIME OFP T1 T2
N/A Not Applicable to Warranty

ILSAC GF4 SAE 5W20
This oil has been set as the Toyota genuine engine oil, starting in February 2006 for
the U.S. This oil is superior in terms of fuel economy, engine protection, and cold
starting performance.

ILSAC GF4 SAE 0W20
This oil has even better fuel efficiency and cold starting performance than 5W20. Initial
application for 0W20 is in the 2006 model year 2AZFE engine and will be used in new
engines to be developed.

ILSAC GF4 ENGINE OIL RECOMMENDATION EG018-06 March 29, 2006
Page 2 of 2
Engines That Can Use 5W20 and 0W20:

ILSAC GF4 SAE 5W20
AZ series
GR series
JZ series
MZ series
NZ series
RZ series
UZ series
VZ series
1ZZFE
2TRFE

ILSAC GF4 SAE 0W20

(Beginning with 2006 MY)
2AZFE Camry
2AZFE Solara
2AZFE Highlander
2AZFE RAV4 (ACA3#)

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#962525 - 08/11/07 05:18 AM Re: Toyota going thin?? [Re: G-MAN]
ProfPS Offline


Registered: 05/25/05
Posts: 834
Loc: CT, YL of USSA aka Oceania
The SL was an indicator of when my cap was made. Excluding the SL rating, I found the thinner weights for '08 interesting. My next visit to a dealership, I'll ask for the owners manual when I look over a car.

Thanks.
_________________________
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Thank you Commodity Futures Modernization Act of 2000.

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#962526 - 08/11/07 05:31 AM Re: Toyota going thin?? [Re: ProfPS]
JohnBrowning Offline


Registered: 05/01/03
Posts: 9448
Loc: USA
If they spec it for a 20Wt. it surely will not hurt anything but not following that recomendation will not hurt anything either!

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#962527 - 08/14/07 07:45 AM Re: Toyota going thin?? [Re: JohnBrowning]
cdherman Offline


Registered: 08/27/05
Posts: 84
Loc: KC MO
I have a Corrola made in Febuary of 06. Still have a 5w30 cap and says 5w30 in the manual.

I know, the conventional wisdom is to use what the owners manual says.

But, I highly doubt they changed anything in the engine. Particularly, since they didn't change the oil cap or manual until almost a year later....

I am thinking of doing 0w20 in the winter months anyhow. My little 1.8 'rolla engine is not going to ---- out from oil failure, and I am just curious how the mileage will respond on those cold weeks where I was getting 30mpg instead of 33.
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#962528 - 08/14/07 07:59 AM Re: Toyota going thin?? [Re: ProfPS]
VeeDubb Offline


Registered: 08/15/02
Posts: 2434
Loc: Indiana
Quote:

I stopped by a local Toyota dealer and notice that their '08 Highlander V6 3.5 and '08 Scion xB 4cyl 2.4 are now using 5w20/0w20 (oil cap labels). Has anyone else seen this and what are you comments on this move. I have an '07 Rav4 V6 that has labeled on the oil cap to use SL 5w30.




My 07 Sienna 3.5 has the same cap. Also says energy conserving on it. I'm running maxlife synthetic and mpg actually improved over the OEM oil even though maxlife is not energy conserving. But this might just be due to break in.
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#962529 - 08/14/07 03:39 PM Re: Toyota going thin?? [Re: VeeDubb]
Titan Offline


Registered: 10/04/05
Posts: 2331
Loc: Charlotte Metro area
Quote:

Quote:

I stopped by a local Toyota dealer and notice that their '08 Highlander V6 3.5 and '08 Scion xB 4cyl 2.4 are now using 5w20/0w20 (oil cap labels). Has anyone else seen this and what are you comments on this move. I have an '07 Rav4 V6 that has labeled on the oil cap to use SL 5w30.




My 07 Sienna 3.5 has the same cap. Also says energy conserving on it. I'm running maxlife synthetic and mpg actually improved over the OEM oil even though maxlife is not energy conserving. But this might just be due to break in.




It could also do with fuel reformulation in the non-winter fuels....
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The terms "dino,synthetic,blend,conventional" are marketing terms; not scientific terms.

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#962530 - 08/14/07 07:43 PM Re: Toyota going thin?? [Re: Titan]
dgp123 Offline


Registered: 07/06/07
Posts: 80
Loc: New England
i can not wrap my mind around the 5w-20thing... i know it seems to be performing adequately, but still....20.... shearing would bring it to a 10 grade?? keep pumping me full of 40 grade oils!
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#962531 - 08/14/07 11:07 PM Re: Toyota going thin?? [Re: dgp123]
heathenbrewing Offline


Registered: 12/18/06
Posts: 456
Loc: CA
Quote:

i can not wrap my mind around the 5w-20thing... i know it seems to be performing adequately, but still....20.... shearing would bring it to a 10 grade?? keep pumping me full of 40 grade oils!




You would benefit by reading these. The first one is more complete:

http://ferrarichat.com/forum/faq.php?faq=new_faq_item#faq_haas_articles

http://theoildrop.server101.com/forums/s...ge=0#Post258506


Thanks to aehaas for this great info on oil.

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#962532 - 08/15/07 01:04 AM Re: Toyota going thin?? [Re: heathenbrewing]
Winston Offline


Registered: 04/07/05
Posts: 1904
Loc: Bay Area, CA
I want a new oil cap for my 2007 Prius. My 07 Prius cap says 5W30. The owners manual calls for 5W30 too. However, I put in MC5w20 at 2300 miles.

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#962533 - 08/15/07 01:07 AM Re: Toyota going thin?? [Re: dgp123]
G-MAN Offline


Registered: 11/15/02
Posts: 8936
Loc: SC
Quote:

i can not wrap my mind around the 5w-20thing... i know it seems to be performing adequately, but still....20.... shearing would bring it to a 10 grade?? keep pumping me full of 40 grade oils!




I have yet to see a UOA of a 5w20 where it sheared out of grade. I can't say the same for 5w30, 10w40, 5w40, or 0w40, however.
_________________________
2014 Mercedes CLA 250 (Mobil 1 0w40)
2005 Corvette (RLI 5w30 HD Low Ash)

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