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mwestcrew



Member Since: 09 Dec 2019
Location: South Warwickshire
Posts: 245

United Kingdom 2011 Defender 130 Puma 2.4 HCPU Baltic Blue
2011 130 Tdci transmission noise
Can anyone help diagnose the cause of a transmission noise please?

When transitioning from on the throttle to over run at motorway speeds there is a “chicka chicka chicka” ( best description I can come up with!) noise from the transmission. It does it when going back on the throttle but less?

Any ideas or experience?

TIA 2011 130 Utility Body
2005 110 Van
Post #875371 30th Dec 2020 11:59pm
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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5804

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
Would you say that the noise develops when you over run or that it’s masked when you’re on the throttle?

And how fast is the chicka chicka chicka? Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #875386 31st Dec 2020 8:01am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17312

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
Hard to diagnose without hearing, but first thoughts would be the clutch driven plate (worn or loose springs) or the output adaptor shaft splines. There are other possibilities too.
Post #875389 31st Dec 2020 8:41am
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mwestcrew



Member Since: 09 Dec 2019
Location: South Warwickshire
Posts: 245

United Kingdom 2011 Defender 130 Puma 2.4 HCPU Baltic Blue
Thanks guys.

Bit more info.
No it’s not masked, it develops on the transition and lasts for about 5 or 6 “Chickas”
Quite fast.
New modified adaptor shaft 5000 miles ago
It doesn’t feel clutch related, I’ve had springs go in the driven plate before an remember the noise that made. No noises from the clutch at lower speeds.
There is some backlash from somewhere in the transmission line. 2011 130 Utility Body
2005 110 Van
Post #875397 31st Dec 2020 9:04am
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Grenadier



Member Since: 23 Jul 2014
Location: The foot of Mont Blanc...
Posts: 5804

France 2011 Defender 110 Puma 2.4 DCPU Corris Grey
I sometimes get a noise from the handbrake drum when I've been driving at speed and then drop the clutch. I think it winds up the tension. Usually goes if I waggle the handbrake which seems to loosen the cable a bit..... Monsieur Le Grenadier

I've not been everywhere, but it's on my list.....

2011 Puma 110DC - Corris Grey
Post #875428 31st Dec 2020 12:28pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 7982

 2011 Defender 110 Puma 2.4 USW Stornoway Grey
^^^ warm handbrake pads catching the drum, is the drum warm to touch after a run? Cheers

James
110 2012 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #875474 31st Dec 2020 4:32pm
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Dinnu



Member Since: 24 Dec 2019
Location: Lija
Posts: 3399

Malta 2012 Defender 90 Puma 2.2 CSW Santorini Black
Does it happen on a particular gear only? Motorway speeds... means 6th gear? Does it happen on 5th (5th being a direct drive)?
If it happens on any gear, and happens at any speed, is the chicka chicka engine rpm related or vehicle speed related? 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black
Post #875477 31st Dec 2020 4:41pm
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mwestcrew



Member Since: 09 Dec 2019
Location: South Warwickshire
Posts: 245

United Kingdom 2011 Defender 130 Puma 2.4 HCPU Baltic Blue
Can’t really say if it does it in 5th. Definitely 6th. Lift off at 70mph and it does it 5 or 6 times. When you go back on the power it does it 3 or 4 times a bit quieter.

Doesn’t do it at lower speeds.

I don’t think it’s handbrake, sounds too far forwards but I guess that can be deceptive. 2011 130 Utility Body
2005 110 Van
Post #875505 31st Dec 2020 5:42pm
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ickle



Member Since: 22 Jul 2010
Location: South Vendee
Posts: 1776

France 2008 Defender 110 Puma 2.4 CSW Alpine White
Propshaft uj?

Keith
Post #875518 31st Dec 2020 7:00pm
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