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knocking noise - 2 video clips loaded on youtube
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3
knocking noise - 2 video clips loaded on youtube

Hello,

I am almost at my wits with this knocking noise with vibration. Hope you will see and hear the 2 video clips on youtube and narrow down the fault.

I have changed 3 front shafts TDB500100/TVB500510/TDB500110 and the noise is still there. Done a gear box flush.

1. ...video_user

Hear the sound in the first 5 seconds and from the 20 seconds onwards.

2. ...ideo_user.

Thanks

Indi  
Post #9730744th Sep 2012 6:08 am
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marsie
 


Member Since: 28 Feb 2010
Location: Sheffieldish
Posts: 1804

England 2013 Discovery 4 3.0 SDV6 XS Auto Firenze RedDiscovery 4

A few years ago i had a L322 range rover that made that noise. It was the splines on the front diff slipping and gradually got worse untill it lost drive altogether. Not sure if the D3 has a similar setup or not but may be worth checking?
Paul Thumbs Up Previous Discos
1989 200tdi 3dr
1994 300tdi ES
1995 3.9 ES (x3)
2000 4.0 adventurer
2001 4.0 ES
2005 D3 HSE (zambesi silver)
2007 D3 SE (Lugano teal)
2011 D4 XS (Baltic Blue)
2008 D3 HSE PREMIUM (buckingham blue)
2009 D4 XS (Nara bronze)
2006 D3 Metropolis (Java Black)
2012my D4 HSE (indus silver)
Current 2013 D4 XS (Firenze red)  
Post #9734034th Sep 2012 9:32 pm
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20734

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

The FFRR diff issue was fixed by replacing the drive flange and front prop to a CV joint type, as opposed to the original splines. Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #9734134th Sep 2012 9:46 pm
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kidney wiper
 


Member Since: 15 Aug 2010
Location: In the Mere
Posts: 87

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Nara BronzeDiscovery 4

Have you had the gearbox oil changed ? I see from your profile it is an auto, i have had some auto making a vibration from the auto trans. Never had this noise but from your video it looks like it has done a few miles so might be worth a punt ?  
Post #9734244th Sep 2012 10:08 pm
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

The gear box was flushed recently. The odometer is in kilometers and now about 121k or about 75k miles. I just wish what ever is going to give way to give way soon so that the repairs can be carried out. I just dont want thing to break at the crucial moment, when i need to pick up speed especially with 2 kids on tow!

So should I just remove the prop shaft to have a visual inspection? I heard from somewhere that when you fit back you need use the computer to calibrate?  
Post #9734785th Sep 2012 4:34 am
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

well the knocking sound from the under carriage is very loud under heavy acceleration and then it disappers. It comes back whenever at low speeds when the accelerator is floored. You dont get it at hight speeds. Normal driving you dont get the knocking sound. Up hill at low speeds when floored again the sounds comes and there is some vibration. The steering is not effected.

I have added a file on ZF Trouble Shooting Guide in PDF format in my gallery.  
Post #9734795th Sep 2012 4:55 am
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hugeviking
 


Member Since: 08 Jun 2010
Location: cotswolds
Posts: 1482

United Kingdom 2006 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Does it also happen when you do slow tight turns ??

Andi.  
Post #9737675th Sep 2012 8:19 pm
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kett
 


Member Since: 03 Sep 2010
Location: Carmarthen
Posts: 27

2006 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

hugeviking wrote:
Does it also happen when you do slow tight turns ??

Andi.


I'm getting this problem... Sad  
Post #9738195th Sep 2012 9:59 pm
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

It only happens when I put the paddle to the floor. But under normal driving you dont hear that sound and on slow tight turns it does not happen  
Post #9738716th Sep 2012 2:05 am
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

It sounds like the ABS activating? Have you managed to isolate where it is coming from? A wheel or the drivetrain? â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.  
Post #9738776th Sep 2012 3:37 am
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

The sounds seems to be coming from the under carriage and I understand that ABS is in front and the wheels are not locking and neither do i feel there is a retard in speed or something pulling back the D3.

"So should I just remove the prop shaft to have a visual inspection? I heard from somewhere that when you fit back you need use the computer to calibrate?" I hope someone can answer this question as this is the next thing i feel like taking apart for a visual inspection  
Post #9738876th Sep 2012 5:04 am
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

With that noise I recon if it is the rear prop shaft bush then it would be obvious. You need to get someone to diagnose it properly. Have you taken it to a mech? Take it over the border if you need to. â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.  
Post #9738886th Sep 2012 5:15 am
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indi
 


Member Since: 20 Feb 2012
Location: singapore
Posts: 60

Singapore 2006 Discovery 3 TDV6 Base 7 Seat Auto Zermatt SilverDiscovery 3

I live in Thailand Krabi, and the nearest LR independent mechanic is in Phuket about 180kilometers. I have a mechanic here but he knows nuts about LR but he is ok. So does one need to calibrate after taking out the prop shaft for inspection?

The previous diagnose were all wrong by the Phuket mechanic Evil or Very Mad  
Post #9738946th Sep 2012 6:13 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20734

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

indi wrote:
So does one need to calibrate after taking out the prop shaft for inspection?


No Thumbs Up My D3 Build Thread

TDV8 Retrofit Build Thread  
Post #9738966th Sep 2012 6:21 am
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caverD3
 


Member Since: 03 Jul 2006
Location: Oberon, NSW
Posts: 6922

Australia 2012 Discovery 4 3.0 SDV6 SE Auto Fuji WhiteDiscovery 4

You are close to malaysia. Try the LR clubs there

http://www.facebook.com/pages/Land-Rover-O...7679765490

http://www.lrom.com/content/article_list.asp â€œThere are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games”
Ernest Hemmingway
D4 3.0 Active Diff, Adaptive Lights, High Beam Assist, Surround Cameras, Privacy Glass.
D3 2.7:Adaptive Headlights,Electronic Rear Diff,ARB Bar,Blaupunkt Speakers,JVC Powered Subwoofer,Removable Snorkel,Mitch Hitch,Pioneer After Market Head Unit,Steering Wheel Control Adaptor,Remote Adjustable Supension Rod System, Taxside Dual Battery System.  
Post #9739016th Sep 2012 6:38 am
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