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disco 3 knocking noise when off roading?
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PUW
 


Member Since: 07 Nov 2011
Location: Cape Town
Posts: 8

South Africa 2005 Discovery 3 4.4 V8 SE Auto Unknown ColourDiscovery 3
disco 3 knocking noise when off roading?

Hi all, when I go off roading and use low range or the terrain response, i get an occasional knocking noise coming from the back. At first I thought it might be a dry CV (sounds like) but had that checked. The only thing I can think of is that it is the diff lock slipping. My friends one does the same when he goes off roading. Any ideas??  
Post #86446028th Nov 2011 2:20 pm
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Dave T
 


Member Since: 03 Jul 2009
Location: Glasgow
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England 

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Post #86454128th Nov 2011 5:06 pm
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StaticMotion
 


Member Since: 16 Jan 2010
Location: Hoose
Posts: 714

Scotland 

Hi, this might be a silly reply but .... is it only low range and terrain response that induce this? Could it be the harmonic dampers, they sometimes make a knocking noise offroad.  
Post #86456628th Nov 2011 5:58 pm
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PUW
 


Member Since: 07 Nov 2011
Location: Cape Town
Posts: 8

South Africa 2005 Discovery 3 4.4 V8 SE Auto Unknown ColourDiscovery 3

No, it is definately transmission related and it sounds like a dry CV. I will try and pin point more accurately when the sounds starts.

By the way, what would happen if we removed the harmonic weights at the back?  
Post #86471529th Nov 2011 5:36 am
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gruodiz
 


Member Since: 16 Nov 2011
Location: Klaipeda
Posts: 294

Lithuania 2006 Discovery 3 TDV6 HSE Auto Buckingham BlueDiscovery 3

Does it happen when you go straight or on bigger turns? I think the diff locked without any slippery.  
Post #8667613rd Dec 2011 11:42 pm
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