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Old 21st October 2013, 16:46   #3841
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by sgiitk View Post
@Rajain; You should be Ok.
Hi
Thanks for the quick response.

When I had purchased the vehicle and when I had driven 6,500 kms or so we had gone on a 3800 kms drive. In the first 10,000 I belive in a diesel engine the engine oil keeps dropping (I think at a rate of 100 ml per 1000 kms-but I could be wrong)

Towards the last couple of hundred kms (having crossed 10,000 kms) the engine oil level was very close to the dot of "E" in the dip stick. This was the reason I asked the question - that in case I cross 10,000 kms since the last service interval (last service was done at 16,000 and after the present almost 5,000 kms drive I will get to 26,000 kms) is an engine oil change or at least a minor top up needed? Will the engine oil be consumed the same way as it is in the first 10,000 kms?

Appreciate your inputs.
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Old 21st October 2013, 19:15   #3842
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Do not let it drop to E. Top it up. A top up is not very unusual with diesels. Used to be the norm only a few years ago.

A new engine is far rougher on the oil than a run in unit.

Last edited by sgiitk : 21st October 2013 at 19:17.
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Old 21st October 2013, 19:55   #3843
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by sgiitk View Post
Do not let it drop to E. Top it up. A top up is not very unusual with diesels. Used to be the norm only a few years ago.

A new engine is far rougher on the oil than a run in unit.
This makes perfect sense. Thank you. For the last 10 years I drove a petrol car and did not know or fully realise how a diesel engine behaves with regard to engine oil.

Thanks a lot
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Old 21st October 2013, 20:04   #3844
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by Rajain View Post
This makes perfect sense. Thank you. For the last 10 years I drove a petrol car and did not know or fully realise how a diesel engine behaves with regard to engine oil.

Thanks a lot
There is actually no difference as to how a diesel engine should behave.
A Healthy engine should not consume any engine oil.I have never topped up engine oil in my Linea MJD (85K)kms and Scorpio 47K kms even after using the same oil for more than 10K kms.
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Old 21st October 2013, 20:52   #3845
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

That's what I believe too, but maybe I am wrong, I am not that familiar with diesels. And the Fiat and Maruti diesels are the same designs, so this post was a surprise read.
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Old 21st October 2013, 21:13   #3846
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Actually even when I got my Ertiga delivered, I downloaded the Owner's manual and read that completely and this bit about Engine Oil consumption was something I perfectly remembered.

The Owner's manual of the Ertiga does mention the fact regarding the oil consumption and how it will settle after a few kilometers of regular use. It also mentions the average consumption over a long drive (say 1000 kms) like Rajain mentioned earlier.

Here is the extract from the manual:

Name:  oil consumption.JPG
Views: 700
Size:  102.2 KB

Last edited by paragsachania : 21st October 2013 at 21:15.
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Old 22nd October 2013, 09:28   #3847
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Interesting. This would suggest that diesel car owners that usually use the car for city trips, may want to do an oil change before setting off for a long intercity drive.
I assume that petrol engines do not share the characteristic described above - or, if they do, it is to a much lesser extent.
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Old 22nd October 2013, 13:26   #3848
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Another observation from this - while no engine is happy with short runs typical of city use, perhaps petrol engines cope better with this. Diesels make sense when they are allowed to run for longer intervals and the economics of diesel fuel costs are offset by higher engine wear and tear where it comes to largely city use applications.
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Old 22nd October 2013, 13:49   #3849
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Modern diesels are far more frugal in oil consumption simply because of better tolerances and pollution requirements. However, they are more prone to consume at least some oil. The Octavia Mk.1 was notorious for consuming oil when new, but then it settled down.
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Old 22nd October 2013, 14:19   #3850
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Hi

So would it be fair to say in the initial 10,000 kms a diesel engine does consume engine oil - and this consumption depends on a number of factors.

After the engine is properly run in, and subsequent kms won't consume the same amount of engine oil?

Also that topping up is ok as far as the service period, by kms or months is within the cycle? Or that a couple of thousand extra kms is fine if one tops up. More than likely this would only be possible with synthetic oil.

Thoughts? Comments?

Rajain
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Old 30th October 2013, 19:06   #3851
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Mobil 1 is available at Kulkarni Motors, Viman Nagar, Pune.

Spoke to Manager Rajender Singh on phone, he quoted me Rs 1250 per liter. Sounded a bit steep.I think best place to pick it up is from Gyani in Nana Peth.
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Old 31st October 2013, 09:08   #3852
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

@Rajain; Oil consumption behaviour is specific to a particular engine and maybe manufacturer.

Topping up is fine, but do not mix oils, or grades. Brands are by an large Ok.

Last edited by sgiitk : 31st October 2013 at 09:22.
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Old 31st October 2013, 09:15   #3853
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

Quote:
Originally Posted by Rajain View Post
Hi

So would it be fair to say in the initial 10,000 kms a diesel engine does consume engine oil - and this consumption depends on a number of factors.

After the engine is properly run in, and subsequent kms won't consume the same amount of engine oil?

Also that topping up is ok as far as the service period, by kms or months is within the cycle? Or that a couple of thousand extra kms is fine if one tops up. More than likely this would only be possible with synthetic oil.

Thoughts? Comments?

Rajain
What engine are we talking of here?
If its the 1.3 Multijet/DDIS.
In my Linea it does not consume any engine oil in 10K kms.
I usually change oil at 7.5-8.5KSlight overkill,but i dont mind) interval,and oil i use is Delvac 1.
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Old 31st October 2013, 09:37   #3854
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Default Re: ARTICLE: Synthetic oil vs Mineral oil

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Originally Posted by akshay4587 View Post
What engine are we talking of here?
If its the 1.3 Multijet/DDIS.
In my Linea it does not consume any engine oil in 10K kms.
I usually change oil at 7.5-8.5KSlight overkill,but i dont mind) interval,and oil i use is Delvac 1.
Are you changing oil every 7.5-8.5k kms with Delvac 1? I presumed Delvac 1 can sustain for 15k kms if selenia could.
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Old 31st October 2013, 09:57   #3855
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Originally Posted by nkrishnap View Post
Are you changing oil every 7.5-8.5k kms with Delvac 1? I presumed Delvac 1 can sustain for 15k kms if selenia could.
Hi,

Synthetic oil only give you superior lubrication. It does not extend oil change intervals.
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