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Re: How far over in kms should we exceed before service
I always take mine either 800kms before or 800kms after the nominated number of kms for servicing, as I don't like to mess-up the schedule. Last time I went on a trip to the Gold Coast, I had it serviced 2000kms before the due date, so the next service I did 12,000kms of driving before taking it again.
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11/Oct/2008, 4:22 pm
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Dave4x4
X-TRAIL LEGEND
Date Registered: 08-2005
Location: NEWCASTLE
TOTAL POSTS: 685
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Re: How far over in kms should we exceed before service
Scot & Wendy
The accepted rule is 10% of the service interval. Over the 10% at work it goes down as a warning against the lease holder or in the case of the trucks the caretaker. In saying that we have serviced a commodore VE from the car pool we serviced it at 15000km and then seen it again at 72000km and the oil was sent for testing and we normally get result back to the effect that this oil is still within a acceptable range and the the breakdown this oil had
recommended for no return. we could not even put it in our oil catchment to be sent for refinement that's bad, we flushed the engine and it is noisy now we are monitoring it
--- (Dave Newcastle 2004 ST
ID: X211
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11/Oct/2008, 6:26 pm
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Dave4x4
X-TRAIL LEGEND
Date Registered: 08-2005
Location: NEWCASTLE
TOTAL POSTS: 685
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Re: How far over in kms should we exceed before service
I believe that fast k's by that I mean when you do a a long trip a few hundred k's a day you could go longer service intervals but start stop everyday doing ony 10-15k's is more detramental to your engine
--- (Dave Newcastle 2004 ST
ID: X211
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12/Oct/2008, 6:02 pm
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Translucidus
X-TRAIL LEGEND
Date Registered: 05-2010
Location: Adelaide
TOTAL POSTS: 599
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Re: How far over in kms should we exceed before service
It's all to do with the engine oil and how long the additive pack lasts.
The additive pack in all engine oils contains some zinc and phosphorous compounds that protect the engine and others that neutralise acids. When spent, the acid builds up from the combustion process and cold starts become quite damaging from lack of zinc etc.
Engine wear is mainly corrosion from any acids and cold starts after the zinc etc additive is spent.
All the above means Non synthetic and Semi synthetic oils last at most, around 8 to 10,000kms under normal conditions. Short runs and minimal actual long periods at operating temperature shorten this to around 5,000kms.
Oil deteriorates over time as well so 6 months maximum life is also an issue. During cold weather even 3 months can see the oil needing replacing.
In the southern states changing oil according to the MAD principle is good ie in May, August and December.
Therefore as a minimum ALWAYS change your oil and filter at least every 10,000kms,
Change the oil as soon as you can if over due.
Return to your normal 6 months or 10,000kms when due.
Last edited by Translucidus, 4/Jul/2014, 11:32 pm
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2007 X-Trail T31 ST-L
Xy going vertical at Bendleby Station . . .
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4/Jul/2014, 11:10 pm
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Re:
This thread is over 6 years old mate.
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5/Jul/2014, 7:32 am
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Re:
Fair enough mate, let's see if someone else adds to your information in 2020 LOL 
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5/Jul/2014, 11:51 pm
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