Oil analysis TDI @ 625km
#11
AudiWorld Super User
These engine break-in/"when to change oil" threads come up regularly on all of the AudiWorld forums and elsewhere. I've always felt that Audi has spent huge amounts of money for research and years of experience, consequently, they really ought to know how best to break in and maintain their engines for best performance and longevity. So, for me, over 13 years and 4 Audis, the manf. manuals trump any other "recommendations". It's worked out well so far.
#12
AudiWorld Super User
These engine break-in/"when to change oil" threads come up regularly on all of the AudiWorld forums and elsewhere. I've always felt that Audi has spent huge amounts of money for research and years of experience, consequently, they really ought to know how best to break in and maintain their engines for best performance and longevity. So, for me, over 13 years and 4 Audis, the manf. manuals trump any other "recommendations". It's worked out well so far.
#13
AudiWorld Super User
For those affected, was that due to following Audi's break-in recommendations or a defect in design that would have occurred regardless? I've not seen empirical data evidence either way. In any case, I'm not saying Audi is infallible, just that following Audi's recommendations vs. that of all the conflicting internet advice is more likely to provide the best overall results for the majority of owners.
#15
VW 507.00 oils for TDI thus a 5W30 oil!
#16
AudiWorld Super User
Perl, that's a good point. FWIW, all 507.00 oils are 5W30 but tend to be a "thicker".
#17
Is 507.00 synthetic? I take my pickup to a commercial truck shop, and they only use a diesel-only oil which is dinosaur oil.
I've seen synthetic diesel-only oil at Pep Boys, but never use it. I wonder if it's similar to 507.00. Same viscosity rating.
I've seen synthetic diesel-only oil at Pep Boys, but never use it. I wonder if it's similar to 507.00. Same viscosity rating.
#18
AudiWorld Super User
Yes, Pep Boys sells a compliant 504/507 oil from Mobil. It's approaching $13/L.
#19
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There's a ton of great info here on Audiworld, make you own decision on the correlation. My experience is posted just to say that as one who followed the breakin and first oil change and is not having excessive consumption. What I remember of these decade-old discussions is that of the people complaining of excessive consumption, many/most had changed early. That doesn't mean that everyone who changed early had problems, just that it appeared that there was a strong correlation between having problems and having changed early.
One theory is that modern machining tolerances are so tight that rings *NEED* those suspended metal particles to seat properly. I'm an electrical engineer, not a mechanical engineer, so I'm staying mostly out of that. Search the forums, read the postings, make your own decision - just make it informed, not based on 20-30yo conventional wisdom. YMMV, professional driver on closed course, etc, etc, etc.
One theory is that modern machining tolerances are so tight that rings *NEED* those suspended metal particles to seat properly. I'm an electrical engineer, not a mechanical engineer, so I'm staying mostly out of that. Search the forums, read the postings, make your own decision - just make it informed, not based on 20-30yo conventional wisdom. YMMV, professional driver on closed course, etc, etc, etc.
#20
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Oil type as per manual
So I've been to the dealer one more time. They have confirmed that they used 5w40 Castrol Synthec (sp) oil in my oil change. When talking to the service manager he also confirmed that he has heard of higher consumption for people that have changed the oil early. Now, when he says higher consumption, he means more than usual. He said that the DI engines burn oil, and this is normal.
When asking him where are these assumptions (of higher consumption if changing oil early) come from he said its not as much with ring seating as with the non-detergent oil taking away the laser etched piston skirt something blah blah blah .... I didn't fully get what he was saying and he said the broken English of the engineer who explained this to him didn't help either. I'm not sure that leaving the oil with metal particles from initial break in is beneficial to break in. Only long term results will tell.
In any case, the oil change is done and I am not worried about it. My intention is to still do another oil change at 2,000-2,500, perform the oil analysis and then stick to Audi intervals of ~ 8,000km or so.
FYI, The picture is straight from the manual and it shows acceptable oil viscosity for diesels.
When asking him where are these assumptions (of higher consumption if changing oil early) come from he said its not as much with ring seating as with the non-detergent oil taking away the laser etched piston skirt something blah blah blah .... I didn't fully get what he was saying and he said the broken English of the engineer who explained this to him didn't help either. I'm not sure that leaving the oil with metal particles from initial break in is beneficial to break in. Only long term results will tell.
In any case, the oil change is done and I am not worried about it. My intention is to still do another oil change at 2,000-2,500, perform the oil analysis and then stick to Audi intervals of ~ 8,000km or so.
FYI, The picture is straight from the manual and it shows acceptable oil viscosity for diesels.