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Sxytrail Profile
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Date Registered: 07-2013
Location: Adelaide
TOTAL POSTS: 54
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Re:


Plus just putting a bottle of "engine flush" in, running the car then draining the oil isnt a proper flush anyway. The only way to properly do it is to drain the oil, change the filter, fill with new oil, run the car then drain the oil, change the filter and fill with new oil. So you basically waste 5L of expensive synthetic oil and a filter, it all isnt necessary though, the engine flush when changing to synthetic is an old carry over from the past.

Anyway back to my original topic !

Last edited by Sxytrail, 28/Aug/2013, 9:30 pm


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Daily : 2012 T31 series V, 2.5l, manual X-trail.
Genuine side steps, thats all for now...
Weekend fun car : 2002 S15 200SX / Silvia GT spec R with plenty of mods.
28/Aug/2013, 9:28 pm Link to this post Send Email PM   Send Private Message Blog
 
DogTrail Profile
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Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: Re:


quote:

it said castrol xt oil, which I haven't heard of so. I looked on the castrol website and found nothing so then I googled it and found it. It says it is a high quality mineral oil 10w30,



The XT is a superseded fully mineral oil which was replaced by the semi-synthetic Castrol professional 10w30 years ago.

The original Nissan oil put in the new engine is a [sign in to see URL] semi-synthetic which is not commercially available which is why some dealers opt for the Castrol 10w30 semi synthetic as being closest to the original at the 10k service.

Either your dealers invoicing database is out of date or they have a large stock of an obsolete oil which was never recommended for this car.

The X-Trail comes with semi-synthetic and the recommended refill (Castrol 10w30) is also semi-synthetic.

No mention of mineral oils.



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2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
29/Aug/2013, 8:54 pm Link to this post Send Email PM   Send Private Message
 
mickyd t31 Profile
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Date Registered: 02-2013
Location: Gold Coast
TOTAL POSTS: 38
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Re: How soon did you change to full synthetic oil?


There are a lot of old tales about oil, most of which are not true. A full engine flush is not required when changing oils. And the old tale about running a new engine comes from engine builders not wanting to waste a pricey oil on a new build when they only have to drain it out 1000kms later.

All engines in new cars these days are pre-run, and are delivered to the customer with the recommended oil in it, whether that be mineral, semi syn or full syn.

So to answer the original question, it is never too soon to change over to full syn oil, just make sure it is one recommended for that vehicle.

I worked with Castrol for many years and they have a book which shows the min/semi syn/full syn options for each vehicle where applicable, so might be worth contacting them for the current recommendation if you have any doubts.

I could go on about oils for hours but I have probably already put you to sleep.

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Michael X-2919
2012 Series V ST-L X-Trail
Diamond Black
Bash Plates (well tested).
29/Aug/2013, 9:10 pm Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28983
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Re: How soon did you change to full synthetic oil?


quote:

mickyd t31 wrote:
I worked with Castrol for many years and they have a book which shows the min/semi syn/full syn options for each vehicle where applicable, so might be worth contacting them for the current recommendation if you have any doubts.



Castrol Australia actually lists all of oils recommended for each vehicle on their website ]HERE and this includes all X-Trail models as well.

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29/Aug/2013, 9:16 pm Link to this post Send Private Message MSN Blog
 
Sxytrail Profile
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Date Registered: 07-2013
Location: Adelaide
TOTAL POSTS: 54
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Re:


Every oil company has this and the recommendations made are based on the correct grade recommend by the manufacturer anyway and they give 3 choices, good, better and best not which product suits each car except petrol v diesel. So these lube guides aren't anything special. Anyway jalalski at what kms did you change to synthetic oil ?

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Daily : 2012 T31 series V, 2.5l, manual X-trail.
Genuine side steps, thats all for now...
Weekend fun car : 2002 S15 200SX / Silvia GT spec R with plenty of mods.
29/Aug/2013, 9:42 pm Link to this post Send Email PM   Send Private Message Blog
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 28983
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Re:


When I had my T30 I changed to full synthetic Castrol Edge 5W30 at the 60,000kms service and I did ask the mechanic to do a full flush although he said it wasn't needed, I still felt better doing a flush.

As my current T31 only does short suburban trips and not being used very often, I will not be changing to synthetic and will continue using the engine oil Nissan puts in it.

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29/Aug/2013, 9:49 pm Link to this post Send Private Message MSN Blog
 
mickyd t31 Profile
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Date Registered: 02-2013
Location: Gold Coast
TOTAL POSTS: 38
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Re: How soon did you change to full synthetic oil?


Yes the recommendations are based on manufacturer's specs, but not all manufacturer's viscosities are available in min, semi syn and full syn oils. This is where the books/web reference charts are useful. Castrol for example will liaise will a car maker where there is not a direct match to provide a recommended alternative.

And yes all oil companies do this. I just mentioned Castrol because it seemed to be the brand of choice in this thread.

Anyway, back to your original topic.

Cheers!

---
Michael X-2919
2012 Series V ST-L X-Trail
Diamond Black
Bash Plates (well tested).
29/Aug/2013, 9:57 pm Link to this post Send Email PM   Send Private Message Blog
 
DogTrail Profile
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Date Registered: 05-2012
Location: Sunshine Coast
TOTAL POSTS: 481
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Re: How soon did you change to full synthetic oil?


Good response micky:

quote:

And yes all oil companies do this. I just mentioned Castrol because it seemed to be the brand of choice in this thread.



Not so much the choice of the individual as the choice of the dealer.

quote:

Anyway, back to your original topic.



Which is starting to look more like a baited hook than a serious question.

In any case, there has been a useful interchange of knowledge.

To summarise for the OP: For running in purposes, 100% mineral oil is recommended by some for the first 1000 km for hand built motors. Then change to fully synthetic after the metal filings are removed from the sump at a 1000 km change.

The X-Trail comes with original semi-synthetic. It is usually changed at 10,000 km or 6 months.

The dealer services usually replace that with another compatible semi-synthetic.

You could safely change to fully synthetic at any point after taking delivery of the car.

 




Last edited by DogTrail, 30/Aug/2013, 1:20 am


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2011/12 Australia:- 2.5 litre petrol 4WD, Series IV ST, CVT : + some gadgets and cosmetic add-on's. Dirt, (it protects the paintwork) X-2429(c).
30/Aug/2013, 12:12 am Link to this post Send Email PM   Send Private Message
 
Sxytrail Profile
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Date Registered: 07-2013
Location: Adelaide
TOTAL POSTS: 54
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Re:


I know about changing to synthetic and when is safe to, I was jusr asking the question out of curiousity as it seemed strange that the dealer put the type of oil in that I mentioned earlier. The next service I will supply my own oil Nulon synthetic 5w30.
  Hopefully other people find this thead useful

---
Daily : 2012 T31 series V, 2.5l, manual X-trail.
Genuine side steps, thats all for now...
Weekend fun car : 2002 S15 200SX / Silvia GT spec R with plenty of mods.
30/Aug/2013, 8:29 am Link to this post Send Email PM   Send Private Message Blog
 
Twin mobile Profile
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Date Registered: 12-2013
Location: Mt Isa, QLD
TOTAL POSTS: 125
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Re: Re:


quote:

Sxytrail wrote:

I know about changing to synthetic and when is safe to, I was jusr asking the question out of curiousity as it seemed strange that the dealer put the type of oil in that I mentioned earlier. The next service I will supply my own oil Nulon synthetic 5w30.
  Hopefully other people find this thead useful



Well I've read through it and with my Exy I think I'll be safe to go to fully synthetic 5W40, as recommended by the Castrol Magnatec guys. I also told my local Nissan dealer to use that oil at my next 30,000km service. When I bought it with 22,000km on the clock, I'm not quite sure what Engine oils it's had in the past but for the future I'll be using fully synthetic all the time.

Cheers all,
Ben

---
Benjamin X-3439
Mt Isa, QLD
05/10 T31 Exy, 2.5L Manual ST
K&N + A/C, 63mm ECB, 20" LED, 220 HIDs, TJM Bashplate, 2" Susp Kit, H/D Towbar, Whispbars, 235/70R16 697s, Hi-Tech Exhaust
To do: Brakes, Strut Bar, Side Steps, 6" Head Unit
17/Apr/2014, 7:32 pm Link to this post Send Email PM   Send Private Message Blog
 


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