First oil change

[alchresearch 214]

Oil has become a lot better at lasting a long time compared to 20 years ago - engines that used oil with a 6000 mile change, can now eaisly run 18k with a modern oil.

 

Considering how the oil turbo feed pipe can get gummed up, and the strict specification of particular type of semi synthetic oil I'd say the complete opposite.

 

Diesels - particularly cars - are far more complicated than they used to be and they need regular frequent changes to prevent the emissions system from going wrong.

[Obelix 11]

Considering how the oil turbo feed pipe can get gummed up, and the strict specification of particular type of semi synthetic oil I'd say the complete opposite.

 

Diesels - particularly cars - are far more complicated than they used to be and they need regular frequent changes to prevent the emissions system from going wrong.

 

I'm sorry but the evidence of many vehicles with oil changes in the 20k range with no emission problems says otherwise. Oils have become far better with much better additive packages that resist degradation for a lot longer. Oil analysis shows what state the oil is in, and modern oils degenerate at a far slower rate than older ones, hence you can and manufacturers do run them for longer. There is no reason to change them more frequently to stop the emissions systems from going wrong.

[Miztasee 10]

ive done what a couple have said ive rang a different seat dealer who confirms 10k is correct but no longer than 12 months, its the petrol 2.0 tsi cupra that ive got, finally giving approx 35-38mpg if driven like a green peace rep, dont think ill keep it that long maybe 1-2years depending on what the new leon next year is like

[alchresearch 214]

I'm sorry but the evidence of many vehicles with oil changes in the 20k range with no emission problems says otherwise. Oils have become far better with much better additive packages that resist degradation for a lot longer. Oil analysis shows what state the oil is in, and modern oils degenerate at a far slower rate than older ones, hence you can and manufacturers do run them for longer. There is no reason to change them more frequently to stop the emissions systems from going wrong.

 

That maybe so (incidentally which "evidence"?) , but that's not what diesel owners do. Check out any car forum and you won't catch anyone leaving the oil for such a long time.

 

Not to mention the disappearance of anti-pollution faults and improved MPG and smoother running from a regular oil change.

 

Like I said, the dealers and their cosy tie in with oil manufacturers may say long intervals, but its in their interests when they can make a fortune from diagnostics and repairs.

[Obelix 11]

Two forums I'm involved with must be talking rubbish. Or perhaps you haven't seen them?

 

The evidence is that gathered from oil analysis performed by myself and others, but what do I know, I mean I'm guessing and shooting my mouth right? Not that I've run engines to a half million miles, not that I've ever actually tested anything... So what "pollutions faults" and "smooth running" are these. Have they been measured? Actually checked the NVH or are we just talking about the placebo effect from changing the oil?

[big_g 10]

ive done what a couple have said ive rang a different seat dealer who confirms 10k is correct but no longer than 12 months, its the petrol 2.0 tsi cupra that ive got, finally giving approx 35-38mpg if driven like a green peace rep, dont think ill keep it that long maybe 1-2years depending on what the new leon next year is like

 

Regarding fuel consumption, is this the 265PS model? Trying to find the official consumption of that car on the SEAT website (with great difficulty) but it could be 34.9 on the Extra Urban cycle. Have you got the brochure and what does that say regarding fuel consumption?

[Miztasee 10]

yeah the seat site is rather useless, it is the 265ps version my son destroyed the brochure, and the manual has every bit of information bar mpg in tech specs, but ive found out that 34.9 is the correct figure, so its actually doing quite well, i could get 38-40 mpg out of my old 20v turbo cupra all day long if driven liberal. i actually contemplated getting a ecomotive diesel for a while but there abit slow and not really that "eco" but got offered a pre registered cupra with 85miles on clock for a little over 22k so took that

[truman 10]

Like I said, the dealers and their cosy tie in with oil manufacturers may say long intervals,.

 

If the dealers had a cosy tie in with the oil companies wouldn't they be advocating shorter intervals?

[alchresearch 214]

If the dealers had a cosy tie in with the oil companies wouldn't they be advocating shorter intervals?

 

I meant that in the owner's manual they always recommend one particular brand of oil.

 

Its in the car manufacturers interest to get as much in after-sales from the customer, particularly in nice expensive diesel particulate filters at upto £1000 a time!

[Miztasee 10]

yeah ive heard about them diesel particulate filters, its been cracked now they have issues with PD engines but vag group have switched to common rail engines now to solve the issue and it seems to have good effect, but i dont envy anyone who has to replace one, morrisons diesel seems to be the biggest killer of them, due to lack of anti foam additive in them, im going to give it 3 years before i goto diesel see how the common rails pan out with the dpf, if the petrol engine doesnt bankrupt me first. i believe its esso oil that vag group recommend as thats what logo's on my oil cap, the manual is so full of garbage ive only read bits on cruise control, and the xds system etc..

[alchresearch 214]

Its a strange thing. Take the DV4TED and DV6TED diesel engines. Made, I believe, by Ford.

 

In some cars they run perfectly well without a problem, in others like the Peugeot 407 they're extremely picky, and just won't run smoothly on supermarket fuel and have constant anti-pollution faults.

 

I believe Morrisons fuel also has a higher %age of biodiesel in its mix.

[Obelix 11]

Most vehicles with DPF's specify a low ash oil, to stop excessive ash from clogging up the filters. I rather suspect most of the problems occur after people don't use this somewhat expensive oil and just use regular oil which then ends witha blocked filter.