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Disco 3 whining. Any suggestions
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Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Vienna GreenDiscovery 3
Disco 3 whining. Any suggestions

Hi there my disco has started whining. It’s been doing it since a rather wet Greenlaning trip on Salisbury plain

Any who! Whistle

She starts whining at around 20mph and peaks at 70. Still whines in neutral.

Seems to only be road speed related not engine speed

Changed to oil in the front diff today. But did not improve it.

All props seems solid, no play.

I have notice the EPB makes a hell of a tacket it I try to use it. (Not something i normally use )

So I wonder if it worth changing all the brakes and looking at the EPB as the root cause of the whine ( though it feels like it’s at the front of the car..

Any thoughts and suggestions?
  
Post #212037711th Feb 2020 8:18 pm
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Dazz360
 


Member Since: 03 Sep 2016
Location: West Mids Walsall
Posts: 871

United Kingdom 2005 Discovery 3 TDV6 HSE Auto Bonatti GreyDiscovery 3

Anything stuck between front discs and splash guards
 Metal auto sump & fluid change (3 hrs)
LR door puddle projectors (10 mins)
Tinted Bonnet wind deflector (10 mins)
All Intercooler pipes and Tbolts (2hrs)
3 injectors replaced so far (30mins)
Sunroof drain pipes both sides 2.5 hrs)
Rear discs, shoes,pads,callipers,flexi hoses, rigid brake line, n/s upper hub carrier bush and rear n/s upper arm (13hrs over 2 days) 
 
Post #212042111th Feb 2020 10:56 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4627

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Yeah swimbo Laughing
 yµ (idµ - eAµ) ψ=mψ

 
 
Post #212045112th Feb 2020 12:24 am
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nebc100
 


Member Since: 20 Sep 2017
Location: Altlinster
Posts: 416

Luxembourg 

Make it go to bed earlier!! Tirdness is what causes the whining in my house!!
  
Post #212046612th Feb 2020 7:17 am
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Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Vienna GreenDiscovery 3

Rolling with laughter
  
Post #212052612th Feb 2020 11:57 am
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Steamyrotter
 


Member Since: 03 Jul 2017
Location: Somewhere near Somewhere else in Somerset
Posts: 117

United Kingdom 

I would hazard a poke at front diff bearings..

Mine were shot on the D3.
Whined really bad.
Thought it was wheel bearings at first but eventually found the culprit.
 If things were meant to be easy, then I will soon complicate them....
Please note...
Anything I say is only from my personal experience and knowledge..
I don't assume to know everything, and know there is a lot I don't know..
But then I could be talking Censored .. OSmile 
 
Post #212057512th Feb 2020 2:31 pm
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Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Vienna GreenDiscovery 3

Oh. Good idea. How do I check these?
  
Post #212057912th Feb 2020 2:51 pm
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mek
 


Member Since: 18 Mar 2015
Location: Zurich
Posts: 468

Switzerland 2006 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

Jack up car. Wiggle outer edges of the tyres grabbing them top to bottom. Listen/feel for play
  
Post #212254320th Feb 2020 7:35 pm
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Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Vienna GreenDiscovery 3

Having changed all the brakes all round. I now agree the front bearings have definite play. Next job!
  
Post #212255020th Feb 2020 8:18 pm
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mek
 


Member Since: 18 Mar 2015
Location: Zurich
Posts: 468

Switzerland 2006 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

Its an "easy job"*. You just need a big hammer. Buy complete bearing/hubs for an easy life and suggest you go the way of Timken to avoid doing the job twice

* I got into a spat with someone on the forum about this. It took me 2 hours a side from getting kit out to putting it away. This other person quoted me a unicorn tears time of 1 hour both sides.
  
Post #212261621st Feb 2020 3:26 am
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Member Since: 30 Jan 2019
Location: Clanfield, Hampshire
Posts: 373

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Vienna GreenDiscovery 3

Yes -easy job all came apatrt realy well. did both sides and now the whining noise that had turned to a grawnching noise has gone

Happy days . Thanks for your advice team Smile

Thumbs Up
  
Post #21254923rd Mar 2020 4:08 pm
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