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Post by horsey on Feb 26, 2009 5:09:02 GMT 6
Hi All
I have a 2006 pathfinder diesel. When its cold, there is a noticeable rattle from the engine. It sounds like pinking or piston slap. There seems to be a tappet or bearing knocking too.
If I accelerate hard it gets quieter.
It gets quiet when the engine warms up.
I brought it to the supplier. He said that it is a known issue but that it is normal. He says that it is because the air temperature is low and it will not be there when the weather warms up.
The warranty runs out in three weeks.
Is he telling the truth?
Any feedback would be great.
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Post by Niall Scott on Feb 26, 2009 12:33:50 GMT 6
Hi Horsey Welcome to our site With the experience of others in here I,d be very,very wary of suppliers opinions so close to expiration of warranty Get on to nissan customer service immediately 01923 899999 and advise of problem and look at other posts here especially from lauriesandra Regards Niall
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Post by horsey on Feb 26, 2009 15:24:47 GMT 6
Thanks Niall
I had read that thread ok. I will get onto customer service and at least register the problem so it is on record.
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Post by roncarr on Mar 7, 2009 14:10:13 GMT 6
Try pouring water over the fanbelts and then starting the engine.
If it is quiet then replace the fanbelts.
I had the same problem with my navara. Took it back to nissan twice but they said they could find nothing wrong. The noise got so bad people were stopping my wife telling her the engine was going to blow up.
Tried the water over the fanbelts and it worked for a short period until the water dried I suppose. Got the fanbelts changed and it has been quiet ever since.
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Post by farmerjohn on Mar 8, 2009 22:48:57 GMT 6
Hi all,
Just joined today, i had the same knocking problem with my D40 when running from cold, but i picked it up from my mates house today and it was VERY bad, sounded like something was a lot slacker in the engine. I am going to try the water on the belts thing and see if that works, i will be supprised if it does because it sounds so bad now.
I have just been looking and not many people have wrote about nackered engines in D40's more wrote about D22's, unless i'm looking in the wrong place.
has anyone else had major engine failier with a D40, i'm very worried as i use it for work (i'm a builder) will contact local dealer tomorrow and keep posted.
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ash
New Member
Posts: 10 
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Post by ash on May 28, 2009 2:14:37 GMT 6
see diesel bobs web site; recomends 10~40 says5~30 too thin
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Post by stumorgan on Jul 1, 2009 7:31:08 GMT 6
had the same thing mate it was rocker cam pulley come lose and got gardually worse until tightened
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Post by parareg3 on Oct 28, 2009 21:55:42 GMT 6
Sounds like a cold start issue, Solinoid on fuel pump or fuel pump itself. It can make a dieles car sound like a tractor. If it still does it when hot it could be the fuel pump.
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