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zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

2011 Defender 110 Puma 2.4 X-Tech LE Nara Bronze

Annoying little resonance

I have had this for quite a while now, so long I don't think it's more of an issue then a real problem.

At a certain speed, approx 60-65 kmph (35-40 mph) I feel a slight resonance in my power pedal. It happens about 50% of the time and only when in gear giving power.
Tried with gear disengaged with and without power and it doesn't appear to happen then. Only in gear at revs. Also happens in both gears I can use in that speed.

It kinda feels like a bearing shaking because it is resonating a bit, but it can be something completely different.

Any ideas?

16th May 2016 11:19am

Roy5695

Member Since: 15 Feb 2014
Location: Cornwall
Posts: 1123

2011 Defender 110 Puma 2.2 XS DCPU Indus Silver

I also have this in mine, quite a big resonance in mine though as i feel i have to ease off the throttle until on flat ground again ha

I've not sourced the problem yet due to not being at home with the truck for a couple months but I believe it will be a union joint on the prop-shaft or an output shaft bearing from transfer box or diffs...

Just my 2p worth anyways, ill stay tuned and maybe you'll find a solution before I do

16th May 2016 12:32pm

custom90

Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20348

Possibly prop balancing or possible UJ's, but those are just a guesstimate.

16th May 2016 12:54pm

yaho

Member Since: 26 Nov 2008
Location: Bialystok
Posts: 200

2007 Defender 90 Puma 2.4 SW Keswick Green

Had the same issue for a while. End up with front bearing of the transfer box. Until I have replaced it I have tried balancing props and other potential sources. Is your car lifted? I link this and some other issues to 2 in lift.

Cheers! Janusz
www.yahodeville.com

16th May 2016 1:43pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

Not lifted and ujs are fine.
How can I check if it is the transfer box bearing?

16th May 2016 6:05pm

isy02

Member Since: 20 Apr 2015
Location: inverclyde
Posts: 10

2008 Defender 110 Puma 2.4 DCPU Keswick Green

Hi zone30
Just in case have a look at the turbo heat shield if you have a Traci,a small crack in the shield can also produce similar symptoms.

Cheers

16th May 2016 6:11pm

isy02

Member Since: 20 Apr 2015
Location: inverclyde
Posts: 10

Sorry should read Tdci,should have put the reading glasses on.

16th May 2016 6:12pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

Will do, thx!

17th May 2016 2:41pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

Fixed the heatshield. I did a testdrive and most of it seems to be gone. Will know for shure in a week of so when I've driven some more.
Thx for the tip!

21st May 2016 5:46pm

isy02

Member Since: 20 Apr 2015
Location: inverclyde
Posts: 10

Great that it looks to have sorted your problem,took me ages to figure mine out

All the best.

21st May 2016 6:19pm

zone30

Member Since: 07 Sep 2012
Location: Gent
Posts: 669

Much better but not completely gone...
Needs a second look.

30th May 2016 2:49pm

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