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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: T31 M9R diesel oil
Doesn't Castrol have a suitable engine oil for the diesel?
EDIT: Just checked the Castrol website and you can get Castrol Edge 5W30 for the T31 exy which is excllent and cheaper than Shell.
Last edited by jalalski, 30/Sep/2008, 8:05 am
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29/Sep/2008, 7:09 pm
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jalalski
Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29100
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Re: T31 M9R diesel oil
quote: cartsT31 wrote:
The Castrol Edge oil does not fulfil the requirements for this motor.
The M9R requires an oil that has an ACEA rating of C3, which castrol edge doesnt have. It also requires a low ash oil.
Aaron
I reckon you should call Castrol and get this clarified regarding the Castrol Edge oil because if I go by the following explanations of the diesel grade oils, it meets the requirements.
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30/Sep/2008, 8:22 am
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cartsT31
X-TRAIL NEWBIE
Date Registered: 09-2008
Location: Kings Park, NSW
TOTAL POSTS: 28
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Re: T31 M9R diesel oil
Oils are annoying.
ok, from the research I have done, the explanation above is not entirely accurate.
A ratings refer to petrol engines. B ratings refer to diesel applications and C ratings refer to both petrol and diesel ratings that correspond to both A5 and B5 ratings as you suggest. The 5 refers to both high performance/long drain(A3,B3), direct injection diesel(B4) and fuel economy variants(A1,B1). The difference being:
C1- Petrol and Light duty Diesel engines, based on A5/B5 low Sulphated Ash Phosphorous Sulphur, two way catalyst compatible.
C2- Petrol and light duty Diesel engines, based on A5/B5 mid SAPS, two way catalyst compatible.
C3- Petrol and light duty Diesel engines, based on A5/B5 mid SAPS, two way catalyst compatible, Higher performance levels due to higher HTHS.
In short, an oil rated at A3 and B3 does not mean it complies with C3. However, a C1,C2,C3 oil meets A3, B3, B4, A1 and B1 specs. The difference between C1,C2,C3 is to do with ash content and HTHS ratings (high temp,high shear). A C3 oil is the only one that has an HTHS rating.
Castrol Edge is compatable with A1,B1,A2,B2,A3,B3,B4-but it doesn't have a SAPS rating or an HTHS rating which means it isn't a C compatible oil
The M9R engine requires not only a C3 rating, it also requires an HTHS rating of 3.5 and low ash content.
More info can be found here- http://www.driverstechnology.co.uk/oils.htm
Regards,
Aaron
--- 2008 T31 TS Manual Turbo Diesel
"Bells and whistles"
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30/Sep/2008, 2:39 pm
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Swagman
X-TRAIL NEWBIE
Date Registered: 05-2009
Location: Victoria, Australia
TOTAL POSTS: 16
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Re: T31 M9R diesel oil
Hi guys, I'd like a bit of feedback here if possible - I may be worrying unnecessarily.
Just picked up my T31 TS Manual diesel after its 10,000km service today (over 3 hours later than the promised time - but that's another story).
Last service (at 5000kms - because I'd done a fair bit of towing plus I usually "over-service" at the start of a vehicle's life) the invoice showed they filled it with 7.0 litres of "MOBIL-1 ESP 5W/30 (Diesel Oil 5W30)". This C3 oil matches the specs ppl have mentioned in previous postings, and Nissan's specs for this engine. Price was $16.80 per litre - also in keeping with other posts.
But this time the invoice indicates 7.4 litres of "SYNTEC ELITE 5W/40 (Oil Diesel)" has been used. 5W/40 is not the grade mentioned in the Specs for the M9R. They only charged me $8.00 per litre, too.
When I paid the bill I raised my concerns with the guy at the service desk, and mentioned the need for a low ash (C3) oil in the M9R and he assured me that "it's a new oil, just out. It's the right one for the diesel".
I've certainly never heard of this particular oil (which is probably not surprising if indeed it IS a newly released, and cheaper, C3 oil). The sticker on the windscreen (both times) was a Mobil sticker, and this dealership says they use only Mobil oils. I've done a fairly comprehensive Google search and can't find anything from Mobil that matches. I found reference to a Royal Lubricants oil called Syntec Elite (5W/40) - but that one is for a petrol engine.
What do you think? Am I just being paranoid? The last thing I want is a clogged DPF due to the wrong oil being used accidentally. The Service Dept at the dealership is closed till Monday so I can't speak to someone higher up the tree till then.
Comments gratefully received!
Cheers,
Jeff.
(Edit: typos)
Last edited by Swagman, 19/Jun/2009, 10:00 pm
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19/Jun/2009, 7:46 pm
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Dave4x4
X-TRAIL LEGEND
Date Registered: 08-2005
Location: NEWCASTLE
TOTAL POSTS: 690
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Re: T31 M9R diesel oil
Jeff,
It could be a honest mistake with it being a click of the mouse that he has put he wrong oil down but the SYNTEC ELITE 5W/40 seems to be a fleet oil that is a common practice to keep one oil for all in bulk and a lesser amount in a slightly better oil for the customers that ask for it. In saying that they have given you a Diesel compliant oil of a high standard and all should be good it has a low viscosity to get the oil around the engine quickly and also give good fuel economy and the higher load carrying towing temp side in the 40 as most diesel oil are it's a SM/CF oil that's fine
--- (Dave Newcastle 2004 ST
ID: X211
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19/Jun/2009, 10:07 pm
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Swagman
X-TRAIL NEWBIE
Date Registered: 05-2009
Location: Victoria, Australia
TOTAL POSTS: 16
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Re: T31 M9R diesel oil
Thanks Dave, I appreciate the feedback.
My concern wasn't the thicker 5W-40 rather than the 5W-30 that Nissan recommends in the manual. As you say a 5 for startup and a 40 when hot is probably not a bad move in a diesel in Australian conditions.
However the M9R diesel engine in the T31 X-Trail has a fairly sophisticated (and new) EC combination of Diesel Particulate Filter (DPF) and a catalytic converter. The oil MUST be an ACEA C3 oil (law SAPS, HTHS) and Nissan warns specifically that an A3 or B3 oil, EVEN IF it is a "diesel recommended" spec oil, may not be used in this engine. My search on the Web could not locate any info on SYNTEC ELITE 5W-40 - particularly not on the Mobil site which is what the guy on the desk told me had been used.
Out of time at the moment, but I have an interesting follow-up posting to make about what has transpired over the last two weeks on this matter....it will be of interest to many M9R owners I think.
Thanks again for your speedy response Dave.
Jeff.
(Edit: typo)
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2008 T31 diesel TS manual, Twilight, tow pack, roof bars, left cargo drawer, all round protection mouldings, boot mat, floor mats
Last edited by Swagman, 3/Jul/2009, 8:35 pm
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3/Jul/2009, 11:44 am
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