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Paul55



Member Since: 03 Feb 2009
Location: Somewhere in my head!
Posts: 510

England 2008 Defender 90 Puma 2.4 XS CSW Santorini Black
Engine sound 2008 Puma
Evening all, came back from a trip out and halfway home heard this lovely sound, any ideas? No warning light, oils fine, water fine, cannot see any leaks or fractured pipes etc.
Regards
Paul



https://www.defender2.net/gallery/albums/u...18FC4E.MOV Cogito ergo sum
Post #938413 19th Jan 2022 11:26pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5423

2006 Defender 110 Td5 USW Zermatt Silver
Check the injectors are tight, and not leaking.
Post #938414 19th Jan 2022 11:33pm
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stew 46



Member Since: 26 Jan 2012
Location: Wadebridge ,cornwall .
Posts: 561

England 2010 Defender 110 Puma 2.4 USW Bonatti Grey
I’m sure I’ve read or been told about injector washer leaking and creating back pressure and breaking through the manifold gasket and making this sound ? As mine has a slight leak
Post #938439 20th Jan 2022 8:13am
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2232

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Does sound injector related.

Remove the black plastic injector cover (2 bolts at the front)

You will see four injectors (blue below) held in place by two clamps (green below), each one clamping a pair of injectors.

Give each injector and clamp a wiggle to check the clamps are tight and adequately retaining the injectors

 > 110 XS Double Cab
> Instagram @simonlanemind
Post #938527 20th Jan 2022 5:36pm
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swt



Member Since: 24 Aug 2018
Location: Cumbria
Posts: 149

United Kingdom 2008 Defender 110 Puma 2.4 XS CSW Stornoway Grey
This is much like the sound that mine made when the retaining bolt shown in Hank's picture failed on the school run. The sound was caused by a tiny amount of movement of the high pressure pipe/injector. I made a bid for the dealership 6 miles away and got halfway there before the pair of injectors came completely adrift and we coasted gently to an unpowered stop.

My daughter remembers it as the day when the Landy made even more embarrassing noises than usual outside the school gate.
Post #938551 20th Jan 2022 7:07pm
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neon1991



Member Since: 26 Mar 2018
Location: Colchester
Posts: 74

United Kingdom 2014 Defender 110 Puma 2.4 USW Firenze Red
you can see injector 3 bouncing in your vid. easy enough fix with a new set of copper washers and stretch bolts. you might as well change all washers while you're there.
Post #938652 21st Jan 2022 12:22pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2232

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Only get the audio when I download it Laughing > 110 XS Double Cab
> Instagram @simonlanemind
Post #938657 21st Jan 2022 12:43pm
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Paul55



Member Since: 03 Feb 2009
Location: Somewhere in my head!
Posts: 510

England 2008 Defender 90 Puma 2.4 XS CSW Santorini Black
Thanks for all the replies everyone, took the cover off today and injectors 3/4 were bouncing around like billyho, I’m taking it in on Monday for a diagnostic check and will mention it then, appreciate all the replies, thanks once again.
Regards
Paul Cogito ergo sum
Post #938688 21st Jan 2022 3:09pm
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hank



Member Since: 12 Sep 2016
Location: South Wales
Posts: 2232

Wales 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Did you tighten down the bolt? I wouldn't drive it as is > 110 XS Double Cab
> Instagram @simonlanemind
Post #938693 21st Jan 2022 3:39pm
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neon1991



Member Since: 26 Mar 2018
Location: Colchester
Posts: 74

United Kingdom 2014 Defender 110 Puma 2.4 USW Firenze Red
as hanks says. driving it with them loose will not do the head any good.
Just give the clamp a nip up (not too much. think the spec is only 7Nm and 180degrees)
Post #938694 21st Jan 2022 3:42pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5423

2006 Defender 110 Td5 USW Zermatt Silver
Even if you just “nip” them up before driving. I wouldn’t recommend driving it with them loose.
Post #938696 21st Jan 2022 3:50pm
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Paul55



Member Since: 03 Feb 2009
Location: Somewhere in my head!
Posts: 510

England 2008 Defender 90 Puma 2.4 XS CSW Santorini Black
Okay guys, cheers for the info Thumbs Up Cogito ergo sum
Post #938721 21st Jan 2022 7:04pm
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Paul55



Member Since: 03 Feb 2009
Location: Somewhere in my head!
Posts: 510

England 2008 Defender 90 Puma 2.4 XS CSW Santorini Black
Just a quick update, couldn’t tighten them up as away from home and no tools, drove it very slowly to the garage, it was the injectors, tightened up, full diagnostic, running sweet, thanks again for all the help, much appreciated Thumbs Up Cogito ergo sum
Post #939563 26th Jan 2022 1:25pm
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landy andy



Member Since: 15 Feb 2009
Location: Ware, Herts
Posts: 5423

2006 Defender 110 Td5 USW Zermatt Silver
Glad it was a nice simple job. Thumbs Up
Post #939567 26th Jan 2022 1:49pm
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