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whine when changing gear
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allforus
 


Member Since: 20 Mar 2010
Location: Cumbria
Posts: 492

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4
whine when changing gear

I have a 2012 8 speed and as it goes to change up i get a low pitched whine form the front middle of the car it disappears on change up and and starts again as you speed up towards the next gear its is also there all the time when the caravan is on and you are going up hill booked in to the dealers for first service shortly any clues as to what to ask them it is getting worse and I am sure it is there in the back ground while travelling normally but wind noise hides it

cheers

Graeme
  
Post #10161579th Dec 2012 1:55 pm
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CUCO
 


Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609

Spain 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Same revs in all gears?
  
Post #10162299th Dec 2012 6:00 pm
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allforus
 


Member Since: 20 Mar 2010
Location: Cumbria
Posts: 492

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4

Just about around 1800 revs why
  
Post #10163149th Dec 2012 8:18 pm
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CUCO
 


Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609

Spain 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

try to adjust the Torque Converter Clutch, dealer work. mine was doing this at this rpm and adjusting dinamically the TCC quits the nasty whine on acceleration. they tried to do it with the car stopped and it was no ok for mine, after that, they did it on the road and then all ok.
  
Post #101649810th Dec 2012 1:50 am
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aljo
 


Member Since: 20 May 2007
Location: west sussex
Posts: 804

England 

CUCO wrote:
try to adjust the Torque Converter Clutch, dealer work. mine was doing this at this rpm and adjusting dinamically the TCC quits the nasty whine on acceleration. they tried to do it with the car stopped and it was no ok for mine, after that, they did it on the road and then all ok.


What procedure would they use to adjust the torque convertor ? Rolling Eyes
 Last night I lay in bed looking up at the stars in the sky and I thought to myself, where,s the f**king ceiling!!
 
 
Post #101653310th Dec 2012 9:16 am
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CUCO
 


Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609

Spain 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

Is a adjusment made by software, they put the trans ecu in TC learning mode and drive trought the steps the screen says until the ecu says that is all ok.

This adjustment is NOT the gear change auto adaptions reset (the adaptions the tranny makes as you drive every day)
I was thinking that and is not this reset.
  
Post #101653910th Dec 2012 9:31 am
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aljo
 


Member Since: 20 May 2007
Location: west sussex
Posts: 804

England 

So not something faultmate can handle then ? Big Cry
 Last night I lay in bed looking up at the stars in the sky and I thought to myself, where,s the f**king ceiling!!
 
 
Post #101654910th Dec 2012 10:08 am
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CUCO
 


Member Since: 27 May 2011
Location: Spain & Oleee!!!
Posts: 609

Spain 2010 Discovery 4 3.0 TDV6 HSE Auto Nara BronzeDiscovery 4

I don't know, i don't have a Faultmate! Big Cry
 

Last edited by CUCO on 10th Dec 2012 10:47 am. Edited 1 time in total 
Post #101656610th Dec 2012 10:39 am
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allforus
 


Member Since: 20 Mar 2010
Location: Cumbria
Posts: 492

England 2012 Discovery 4 3.0 TDV6 XS Auto Fuji WhiteDiscovery 4

Got the disco Booked in next week so lets see how it goes
  
Post #102015116th Dec 2012 9:24 pm
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