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Shropshire Lad



Member Since: 03 Nov 2008
Location: Shropshire
Posts: 40

England 
Grrr Grr Noise
Hi Guys

Can anyone help me. Sometimes when I'm driving along I get a strange grr grr noise like something vibrating under the rear of the vehicle. It happens largely when the car starts to labour eg in 6th if below 50 and you then try and accelerate still in 6th. This probably sounds gibberish but I'm racking my brains what it could be. It has done it since brand new and it is only intermittent but intermittent on a frequent basis ie at some point on every journey if that makes sense?! I can only compare it to a similar sound to the vibration from the turbo heat shield which i rectified thanks to a bit of "nutlock" donated to me by my good friedn Caterham. Can anyone think what this might be and if anyone has experienced similar. I have thought it might be the heat shield from the exhaust but can't see where it may be loose.

Thanks as ever.

SL LR 90 XS GONE! Hurrah!
Post #7486 18th Feb 2009 1:42pm
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Pob



Member Since: 23 Jan 2009
Location: Midlands
Posts: 119

United Kingdom 2008 Defender 110 Puma 2.4 HT Rimini Red
I know what you mean and I get it too, got used to it and it only happens every now and then Confused
Not much help but at least you are not on your own Laughing
Post #7489 18th Feb 2009 2:19pm
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Sonic3d



Member Since: 28 Jan 2008
Location: Ross on Wye
Posts: 1505

United Kingdom 2010 Defender 110 Puma 2.4 XS DCPU Stornoway Grey
Don`t let it labour, it causes a lot of transmission vibration
Post #7491 18th Feb 2009 3:11pm
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Happyoldgit



Member Since: 14 Sep 2007
Location: Norfolk
Posts: 3471

United Kingdom 2015 Defender 110 Puma 2.2 USW Corris Grey
Try taking the phone out of your pocket Laughing Wink
Post #7529 19th Feb 2009 3:36pm
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Scallops



Member Since: 15 Aug 2007
Location: Brisbane Australia
Posts: 89

Australia 
Mine makes this type of sound too - definitely seems to come from the rear somewhere - but I'm not labouring the engine when I hear the noise. On mine, it's noticeable in 4th at 60km/h but doesn't occur at 50km/h in 4th nor at 70 in 5th (or any other speed/gear really). Although I do notice it crawling along in 2nd.

Because of the driving situations/conditions which induce this noise - I don't think it's the rear diff. I suspect there is some component which is loose and perhaps vibrating at certain revs/speeds. The heat shield between the muffler and fuel tanks was slightly loose and was just touching the chassis rail. I tightened it up as best I could - it's almost impossible to get a screwdriver onto the screws given it's position, and bent it slightly away from the chassis rail. I haven't had a chance to drive it yet and see if this solves the problem but I hope so as it's driving me nuts.

LR dealer reckons they can't hear any abnormal noise. Sheep
Post #7690 23rd Feb 2009 10:03pm
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Fontuin



Member Since: 11 Sep 2008
Location: South Africa
Posts: 29

2008 Defender 110 Puma 2.4 SW Zambezi Silver
I had a drivetrain specialist(not LR) lift the vehicle off it's wheels on a lift then lie under the vehicle and listen while I drove in the same way that would duplicate the noise, the noise came from the splines on the propshaft.

It is the most effective way to find a noise like this but make sure that safety precautions are taken or it is done buy a person with the correct equipment and expertese to do something like this.
Post #7699 24th Feb 2009 6:25am
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Pob



Member Since: 23 Jan 2009
Location: Midlands
Posts: 119

United Kingdom 2008 Defender 110 Puma 2.4 HT Rimini Red
Hi there Fontuin Very Happy

Can you elaborate? When you say the splines, they are just grooves cut in the shaft, was it that the shaft had play in it or something?

Thanks in advance
Post #7704 24th Feb 2009 8:56am
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Fontuin



Member Since: 11 Sep 2008
Location: South Africa
Posts: 29

2008 Defender 110 Puma 2.4 SW Zambezi Silver
Pob wrote:
Hi there Fontuin Very Happy

Can you elaborate? When you say the splines, they are just grooves cut in the shaft, was it that the shaft had play in it or something?

Thanks in advance


The splines on the Puma are different to that of the Td5 in that it has a type of a 'bearing', removing the prop shaft and extending it fully reveals the 'bearing'. I suspect that the bearing is the culprit, there is no noticable play on the splines.

Swopping my prop shaft with that of a Td5 elliminates the GRRR and reduces the amount of backlash I exeperience slightly, fitting my propshaft to LRs demo vehicle duplicates the GRRR.

I have not cured the GRRR because LR have not been very helpfull in offering me a solution, the vehcile is still under warantee, I wait for thier promised call. It has been doing it since new.

Hope this gives you some clarity.
Post #7705 24th Feb 2009 9:13am
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Caterham



Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6298

England 2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey
Very Happy
Shrop. lad.
I've noticed at common thread here.......
none of those with this problem have a blue 110 Exclamation

Mr. Green
Post #7773 26th Feb 2009 9:06am
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JohanH



Member Since: 13 Feb 2009
Location: Trondheim
Posts: 26

Norway 2008 Defender 110 Puma 2.4 SW Stornoway Grey
Hi lads,

my first post here... I have been reading the forum with great interest. I actually also have noticed a grr grr noise from the back when driving slowly in a high gear.

Yesterday I went to the local dealer here in Norway and told them about it, when I collected the car in the afternoon they told me that the fastening bolts for the back axle had come loose! Now everything is tightened up and not a hint of any grr grr sound anymore! I also used to hear a slight CLONK sound when picking up drive or changing gear, and these were off course also cured by tightening the bolts.

So at least my grr grr noise was caused by loose bolts

Cheers,
Johan H Defender 110 -08
Audi UrQuattro -88
BMW 2000 touring -73
Mercedes-Benz 250 -75
Alfa-Romeo 156 -98
Post #8640 20th Mar 2009 8:26am
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MK



Member Since: 28 Aug 2008
Location: Santiago
Posts: 2411

Chile 2007 Defender 110 Puma 2.4 SW Chawton White
JohanH wrote:
Hi lads,

my first post here... I have been reading the forum with great interest. I actually also have noticed a grr grr noise from the back when driving slowly in a high gear.

Yesterday I went to the local dealer here in Norway and told them about it, when I collected the car in the afternoon they told me that the fastening bolts for the back axle had come loose! Now everything is tightened up and not a hint of any grr grr sound anymore! I also used to hear a slight CLONK sound when picking up drive or changing gear, and these were off course also cured by tightening the bolts.

So at least my grr grr noise was caused by loose bolts

Cheers,
Johan H


Hi JohanH

would you please specify which bolts did they look at?

thanks


MK Puma 110" SW

.............................................................
Earth first. Other planets later
Post #8656 20th Mar 2009 2:19pm
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AndrewS



Member Since: 10 Apr 2007
Location: Hereford
Posts: 3707

United Kingdom 2013 Defender 130 Puma 2.2 SW Rimini Red
Check the rear diff both our 110's destroyed the rear diffs within 50 miles from new. My Utility being an early car actually came with a TD5 prop. Its chewed several UJs so far the TD5 UJs are smaller than the Puma. The UJs were replaced under warranty. The prop bolts where the prop bolts to the park brake drum come loose every 2000 - 3000 miles.
Post #8664 20th Mar 2009 5:35pm
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LR09WA



Member Since: 30 Apr 2009
Location: Perth
Posts: 88

Australia 2009 Defender 110 Puma 2.4 SW Stornoway Grey
Sell it Rolling with laughter Rolling with laughter Rolling with laughter
Post #10811 13th May 2009 9:08am
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slocum



Member Since: 16 Oct 2008
Location: Italy
Posts: 19

Is it a noise like this?



Since the first kilometre I found this anomalous and disturbing vibration coming from the rear axle of my Puma.
Post #10846 13th May 2009 5:35pm
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mse



Member Since: 06 Apr 2008
Location: UK
Posts: 5035

United Kingdom 2016 Defender 110 Puma 2.2 XS CSW Scotia Grey
slocum wrote:
Is it a noise like this?



Since the first kilometre I found this anomalous and disturbing vibration coming from the rear axle of my Puma.


THats one bad transmission noise...not right - when do you get your new diff?! Mike
Post #10850 13th May 2009 6:20pm
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