The Patrol has learnt to Whistle,

Submitted: Sunday, Jun 13, 2010 at 18:59
ThreadID: 79310 Views:3345 Replies:10 FollowUps:3
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While we were travelling recently, and towing the Van I noticed that it has developed a whistle noise similar to a boiling kettle sound, it mainly did it when acceleratng under load,and when you take the foot of the go- pedal it would go away, it's a 2008 3ltr CRD, since we have returned home I have noticed the noise is there all the time when acceleratng, it doesn't whistle when idling, I was wondering if it could be a problem with the Turbo, I have booked it in at Nissan because it's still under warranty it's just turned over 20000 ks, yep it,s the Cooks shopping trolley lol.

Cheers
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Reply By: tojofixa - Sunday, Jun 13, 2010 at 19:07

Sunday, Jun 13, 2010 at 19:07
Hi Daza,
Your problem sounds very much like a split in one of the flexible hoses connecting the turbo to the intercooler or the intercooler to the inlet manifold.
AnswerID: 420666

Follow Up By: pop2jocem - Sunday, Jun 13, 2010 at 21:34

Sunday, Jun 13, 2010 at 21:34
Yeah, for what it's worth I'd go along with that. Sounds like turbo boost leaking from a hose or some connection which is why the noise is more noticable on acceleration when boost pressure is highest.

Cheers Pop
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FollowupID: 690859

Reply By: Member - Mark G Gulmarrad - Sunday, Jun 13, 2010 at 20:47

Sunday, Jun 13, 2010 at 20:47
Daza
could it be a bottle left open and left on the draw bar??

hahhahhahahahaha
AnswerID: 420684

Reply By: Member - mazcan - Sunday, Jun 13, 2010 at 21:41

Sunday, Jun 13, 2010 at 21:41
hi dazza
i would'nt worry to much
my safari turbo has whistled just like you describe since day one when i had it fitted after market at 52 th km's
and it's now done 138 th km's and still whistles while under acceleration there are no leaks or holes in anything as mentioned and i took it off last year and had it checked all a1 put it back on and it just continues to whistle and sounds good
whistles while it works and i have a boost guage and all is ok pressure wise
AnswerID: 420690

Follow Up By: pop2jocem - Sunday, Jun 13, 2010 at 23:22

Sunday, Jun 13, 2010 at 23:22
I think the difference might be that yours whistled from day one so probably a characteristic turbo sound while his has just learnt to whistle.
Maybe it will sing when it learns the words...............lol

Cheers
Pop
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FollowupID: 690881

Reply By: patsproule - Monday, Jun 14, 2010 at 05:24

Monday, Jun 14, 2010 at 05:24
The are well known, amongst other things, for getting pin-holes in the intercooler. Please get it looked at quickly, as loading it up too much whilst leaking boost could lead to higher than normal EGT's.
AnswerID: 420712

Reply By: Member - Danny R (QLD) - Monday, Jun 14, 2010 at 08:02

Monday, Jun 14, 2010 at 08:02
EGR valves have also been known to leak a little.
AnswerID: 420718

Reply By: 3GoBush - Monday, Jun 14, 2010 at 08:14

Monday, Jun 14, 2010 at 08:14
I just had a similar thing with the 100 series, I found out it was a simple inlet manifold leak, we tightened it up and all is good.

It could also happen if the exhaust manifold has a similar leak.
AnswerID: 420720

Reply By: Hairs & Fysh - Monday, Jun 14, 2010 at 08:31

Monday, Jun 14, 2010 at 08:31
You could give it a new nickname Daza,
Polly, as in Polly put the kettle on.

I hope they find the culprit, It'd drive me insane, I hate noises, I've got a rattle somewhere in the back that I can't find, And No it's not empty Beer bottles,
I've cleaned them out.


AnswerID: 420723

Follow Up By: Member - DAZA (QLD) - Monday, Jun 14, 2010 at 17:31

Monday, Jun 14, 2010 at 17:31
Maybe Mark G left his Rattle in it when he spat his Dummy lol lol.
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FollowupID: 690974

Reply By: redeye141 - Monday, Jun 14, 2010 at 08:51

Monday, Jun 14, 2010 at 08:51
Mine did the same a couple of weeks ago. It was a distorted return pipe from the EGR to head. A thicker gasket was the answer. The original gasket acted like a reed with the air passing over it.

Redeye
AnswerID: 420725

Reply By: Member - DAZA (QLD) - Monday, Jun 14, 2010 at 17:33

Monday, Jun 14, 2010 at 17:33
Thanks for all your replies.

Cheers
AnswerID: 420783

Reply By: ma and pa smith - Monday, Jun 14, 2010 at 18:26

Monday, Jun 14, 2010 at 18:26
Mine had the same noise under the same conditions. It turned out to be the pipe from the EGR had slightly separated from the flange. It took a year to find going back and forth to Nissan.The turbo was replaced and the pipe removed examined and replaced over this time before it was found. All under warranty.
After all that time the only telltale was a small amount of soot at one small area where the pipe goes into the flange. So! So! glad to have it fixed it was driving us crazy. Good Luck!!!
AnswerID: 420792

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