JTDM Oil Dilema - Alfa Romeo Forum
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(Post Link) post #1 of 11 Old 22-07-10 Thread Starter
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Help JTDM Oil Dilema

Hi all,

Can someone advise on a situation I have with my "new" (to me) GT JTDm please......
I've just had it serviced for the first time (only owned it 6 weeks) and although it wasn't carried out at Alfa, I had asked a reputable garage to carry out a manufacturers recommended service.
To cut a long story short.. they have used 10-40 fully synthetic oil instead of the 5-40 recommended by Alfa. Once I pointed this out to them they have offered to replace with the 5-40 but are saying that the 10-40 is a superior oil?
Any ideas???
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It is the wrong oil, so no it isn't superior!!

Exactly what oil did they use?

Normal spec for the JTDm GT is 5w40 synthetic to FIAT 9.55535-N2 spec.
Original is Selenia WR 5w40, but there are plenty of others.

Does your GT have a DPF?
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(Post Link) post #3 of 11 Old 22-07-10 Thread Starter
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Thanks for the reply David,

They used Total 10-40 fully synthetic, my book say's synthetic based 5-40.
Please excuse my ignorance, but whats a DPF (I'm no mechanic)
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DPF = Diesel Particulate Filter.
It is a filter in the exhaust system which is periodically cleaned by throwing Diesel through it at a specific time.
Problem is that if the process doesn't complete, it just keeps trying and trying, which also effects the engine oil.

Some late GT JTDm have them.
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I'm sorry but what do you mean by a 'reputable garage'?

Whatever you meant the garage in question have used the wrong oil (as David C points out). So that leads into the next question as to what else they may have done wrong?
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So basically you're saying get them to change it to the 5-40 partial synthetic per Alfa instructions?
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The garage was recommended by several friends.
Maybe I'll learn my lesson & go to the main dealer next time!
But in the meantime, I'm really just asking if it matters (because these guy's are saying it doesn't!)
And will it do any damage untill I get it changed!!
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For non-DPF JTD 16V I would use 5W40, and for the ones with DPF 5W30. Thats what alfa suggests.
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Quote:
Originally Posted by danm100 View Post
The garage was recommended by several friends.
Maybe I'll learn my lesson & go to the main dealer next time!
But in the meantime, I'm really just asking if it matters (because these guy's are saying it doesn't!)
And will it do any damage untill I get it changed!!
It is best to use the correct specification oils and spare parts.

I see know problem going to Greasy Joe's in the back alley if he knows what he's doing, and he uses the correct parts according to manufacturer's specifications.

Alarm bells should start to ring though if a garage specifically states that an oil being used is superior to the one recommended, when clearly at the very least the wrong viscosity range has been used in contradiction of specifications listed in the handbook.

Alfa Romeos are strange things. They like to be looked after. They are a reasonably sophisticated women in metal. Take them for granted (or let a garage take them for granted) and you will soon find that both pain and a nuclear hit to your bank account are usually the concomitant effects
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(Post Link) post #10 of 11 Old 24-07-10 Thread Starter
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Thanks for your comments, as "newbie" Alfa owner I was really just after a bit of advice/confirmation of my doubts really. (which you have now kindly provided,thank you)
The garage I used wasn't exactly a greasy joes & replaced the oil for the correct viscosity the next day with no arguments.
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