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Chuggaboom



Member Since: 24 Apr 2009
Location: Lancashire
Posts: 34

United Kingdom 
Strange Noise
Over the summer I had a strange noise at 2000 rpm, I thought it was the usual turbo gasket or hose problem. It sounded like someone making a whistle with a bus ticket.
What's got me stumped is that as the colder weather has arrived the noise has gone. It appears to be sensitive to the ambient air temperature.
Any ideas? It's a MY14 2.2 Puma.

Thanks....
Post #387709 12th Jan 2015 2:34pm
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TomB



Member Since: 22 Jan 2015
Location: Limburg
Posts: 7

Germany 
Sounds like thie?

Post #391505 22nd Jan 2015 6:09pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16933

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Sounds to me like the bolts holding the front branch of the exhaust manifold to the head have slackened off, and the gasket is vibrating. Happens about once a year on mine, I just retighten the bolts and wait for the next time.
Post #391513 22nd Jan 2015 6:44pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5428

2006 Defender 110 Td5 USW Zermatt Silver
Sounds like mine did when the turbo gasket failed.

Andy
Post #391536 22nd Jan 2015 8:05pm
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Chuggaboom



Member Since: 24 Apr 2009
Location: Lancashire
Posts: 34

United Kingdom 
It's a very similar noise, just not as loud. When it gets warmer and starts to do it again I'll have a look at the manifold. If it's the turbo gasket I may wait until it gets worse so the stealers can actually hear it. Or should I get a proper job done? Whistle
Post #391600 22nd Jan 2015 10:35pm
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bear100



Member Since: 22 Mar 2010
Location: South Wales
Posts: 1874

Wales 2010 Defender 110 Puma 2.4 USW Santorini Black
The manifold may have warped slightly which is causing the gasket to vibrate, Thumbs Up 2016 Range Rover Autobiography 4.4 TDV8
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Post #391616 22nd Jan 2015 11:14pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5428

2006 Defender 110 Td5 USW Zermatt Silver
If it's the gasket, due to the warping turbo flange, it is very hard to spot, as the side it warps worse due to thinner metal is the hidden side. Mine was obvious the second time as the inside of the heat shield was black with soot.

I would advise getting surfaces machined flat. Just fitting thicker washer, or new turbo is only delaying the job.

Worth taking the heat shield off, having a look and checking everything is tight first.



Click image to enlarge


Andy
Post #391621 22nd Jan 2015 11:20pm
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TomB



Member Since: 22 Jan 2015
Location: Limburg
Posts: 7

Germany 
sorry for my english, i hope you will understand Wink

the problem was the metall-gasket between the exhaust manifold and the pipe to the egr-valve.
our landy got an new engine, the landrrover garage fixes the bold between the pipe and the cylinder head first and then the bolds between the exhaust manifold and the pipe.
So the pipe tilt and the gasket leaks because the seal faces got not close together.



Click image to enlarge




Click image to enlarge
Post #391678 23rd Jan 2015 9:01am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16933

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Excellent. problem solved!

At least we were all just about right, identifying either the manifold gasket or the turbo gasket! Thumbs Up
Post #391733 23rd Jan 2015 11:31am
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TomB



Member Since: 22 Jan 2015
Location: Limburg
Posts: 7

Germany 
the "triangle gasket" does not exist at the 2.2 Euro5, manifold and turbo are mounted "naked" withaout any gasket. Wink
Post #391745 23rd Jan 2015 12:03pm
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Chuggaboom



Member Since: 24 Apr 2009
Location: Lancashire
Posts: 34

United Kingdom 
Thanks guys, as soon as I can get off these crutches I'll have a good look at things. At least I have starting point.
Post #391892 23rd Jan 2015 8:03pm
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