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johnsey Profile
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X-TRAIL FANATIC
 


Date Registered: 01-2007
Location: Melbourne, Wantirna
TOTAL POSTS: 435
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Intermittant engine rattle


It seems that our xtrail has developed an intermittent engine rattle when under load, it's not a heavy sounding bearing noise and performance seems normal. I'm thinking it maybe ignition timing related as it has the sound of engine pinging. Crankshaft and cam sensors changed 30k ago and no dash lights come on. Any ideas would be great.

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Xcited Touring


Series 2 2005 ST Auto, nudge bar, driving lights, spoiler, GME 3100 UHF, towbar , bashplate, Yokohama Geolander AT-S and Kings Springs lift X495 (c)
1/Jan/2016, 11:32 am Link to this post Send Email PM   Send Private Message Blog
 
Little Devil 666 Profile
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Date Registered: 07-2015
Location: Adelaide, South Australia
TOTAL POSTS: 7
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Re: Intermittant engine rattle


Hi
My 2004 Ti manual has the same rattle and it is driving me crazy. My dealership says that it is coming from the catalytic converter.
It is not there at anytime other than under load.

I'm yet to be convinced.
Good Luck hunting
Jeff

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Jeff
Adelaide, 2004 Ti Manual, 30mm lift.
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1/Jan/2016, 7:22 pm Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5975
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Re: Intermittant engine rattle


Hi Johnsey and Jeff,

You both have older Xtrails. How many kms have you done ?
I suggest you should be using 5W40 instead of the 5W30 oil as this helps older engines keep oil pressure vital for the timing chain tensioner to work correctly.

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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2/Jan/2016, 7:37 am Link to this post Send Email PM   Send Private Message Blog
 
johnsey Profile
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Date Registered: 01-2007
Location: Melbourne, Wantirna
TOTAL POSTS: 435
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Re: Intermittant engine rattle


Hi Kev,

Were at 178k on the clock and iv'e been using Penrite full synthetic 5w-40 for the last 50k, well before this noise was noticeable. Will get mechanic to have a listen at next service.

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Xcited Touring


Series 2 2005 ST Auto, nudge bar, driving lights, spoiler, GME 3100 UHF, towbar , bashplate, Yokohama Geolander AT-S and Kings Springs lift X495 (c)
7/Jan/2016, 7:37 am Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5975
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Re: Intermittant engine rattle


Hi Johnsey,

If it sounds like engine pinging, have you cleaned your MAF sensor and replaced your O2 sensor ?

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
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7/Jan/2016, 8:12 am Link to this post Send Email PM   Send Private Message Blog
 
johnsey Profile
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Date Registered: 01-2007
Location: Melbourne, Wantirna
TOTAL POSTS: 435
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Re: Intermittant engine rattle


No, think it's time it should be done.

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Xcited Touring


Series 2 2005 ST Auto, nudge bar, driving lights, spoiler, GME 3100 UHF, towbar , bashplate, Yokohama Geolander AT-S and Kings Springs lift X495 (c)
8/Jan/2016, 8:23 am Link to this post Send Email PM   Send Private Message Blog
 
johnsey Profile
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Date Registered: 01-2007
Location: Melbourne, Wantirna
TOTAL POSTS: 435
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Re: Intermittant engine rattle


Spoke today with mechanic about possible engine pinging and he told me to use 95 or 98 unleaded to see if it improves, ran 98 and seems to eliminate noise. Will get a check over when next service in a few weeks.

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Xcited Touring


Series 2 2005 ST Auto, nudge bar, driving lights, spoiler, GME 3100 UHF, towbar , bashplate, Yokohama Geolander AT-S and Kings Springs lift X495 (c)
21/Jan/2016, 6:53 pm Link to this post Send Email PM   Send Private Message Blog
 
Revhead Kev Profile
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Date Registered: 10-2006
Location: Mona Vale, Sydney, AUSTRALIA
TOTAL POSTS: 5975
Reply | QUOTE
Re: Intermittant engine rattle


If running 98 removes the noise then your engine is running lean on standard fuel.
Causes of this could be
- low fuel delivery from blocked injectors, blocked fuel filter, faulty fuel pump
- incorrect air/fuel mixture caused by faulty O2 sensor, faulty MAF.
First off suggestion would be to have your MAF cleaned and your O2 sensor replaced.
It would also be prudent to have your injectors serviced, not just cleaned, as the little filter baskets in them could be blocked.
These should make sure the correct air/fuel mix is being calculated and delivered by the ECU.
At 178k have you had your fuel filter replaced ?

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Kev X450(c) T30 Guru
03 Titanium Ti T30 Series 1 **MODIFIED**
My Blog
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21/Jan/2016, 7:15 pm Link to this post Send Email PM   Send Private Message Blog
 


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