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Transmission vibration
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steamraiser2
 


Member Since: 27 Mar 2010
Location: Lytchett Matravers
Posts: 136

England 2011 Discovery 4 3.0 TDV6 HSE Auto Galway GreenDiscovery 4
Transmission vibration

My D3 is now at 311600 with all the transmission, bar the rear prop,being original. Had all the usual servicing on time, every time. I have an second transmission oil cooler as I tow most of the time. Just recently, when towing fully laden and when hot,I am getting a vibration, at times almost a judder. It only occurs with the trailer on when loaded , never when the Disco is running alone. It is not wheel balance, I've had the D3 and the trailer tyres balanced. The brakes and all of the shafts are fine. No noise ,grinding or whining. Usually happens around 60 mph , flooring the pedal or slowing down tends to clear it.The gearbox changes up and down as it should. I'm wondering if it needs a gearbox oil change? Or is it an indicator of a failing torque converter?
Anyone else experienced this?
 2011 D4 HSE, it'll be nice if it ever works!
2014 D4 HSE Luxury. as if one money pit isn't enough!
My old 2005 D3. Now sold after 362000 on the original engine! 
 
Post #20668328th Jul 2019 10:54 am
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1772

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

As it seems load related I would have a look at the rubber around the centre bearing on the tail shaft
  
Post #206967720th Jul 2019 6:01 am
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I had something simular and it turned out to be the inner joint on a rear drive shaft
  
Post #206968120th Jul 2019 6:31 am
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steamraiser2
 


Member Since: 27 Mar 2010
Location: Lytchett Matravers
Posts: 136

England 2011 Discovery 4 3.0 TDV6 HSE Auto Galway GreenDiscovery 4

As a follow up I managed to clear this fault without intending to. I've just carried out Papa Zulu's annual big service. As part of this I fitted another set of discs and pads. The NSF caliper was a little harder to retract one of the pistons compared to the other side. Nothing much but noticeable. I had a new caliper to hand so I changed it out. Great brakes of course.. but the vibration was gone. Can a slight, ever so slight , drag mess with the rest of the transmission? You know, I think it can.
 2011 D4 HSE, it'll be nice if it ever works!
2014 D4 HSE Luxury. as if one money pit isn't enough!
My old 2005 D3. Now sold after 362000 on the original engine! 
 
Post #207498510th Aug 2019 1:30 pm
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aja4x4
 


Member Since: 14 Apr 2019
Location: Westbury
Posts: 2459

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I had a rear inner drive shaft cv that vibrated only when towing so in my head a sticky caliper could put a load on the drive line and show up another fault
  
Post #207500410th Aug 2019 1:58 pm
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