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Rattling engine when @ Idle
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life - live it
 


Member Since: 14 Apr 2017
Location: Behind you
Posts: 1022

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4
Rattling engine when @ Idle

When idling the engine has a rattle.
When you put your foot on the accelerator the rattle dies down.
Any advice would be welcome

cheers
  
Post #18645344th Oct 2017 6:52 am
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MarkOne
 


Member Since: 23 Jul 2011
Location: County Antrim
Posts: 3345

Scotland 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Aux belt tensioner or the bearing in the alternator.
  
Post #18645614th Oct 2017 8:28 am
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Gareth
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Member Since: 07 Dec 2004
Location: Bramhall
Posts: 26699

United Kingdom 

Also check for loose heat shields and make sure the acoustic cover is properly fitted (remove oil cap, and pull cover off, then press it back down onto its posts, refit oil cap)
  
Post #18645644th Oct 2017 8:29 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8072

England 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Corris GreyDiscovery 4

Belt tensioner!- put a drop of oil on the swivel part of the tensioner without getting any on the belt, or water will do, if it stops or changes tune you've found it, temporary only Thumbs Up
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #18645824th Oct 2017 9:00 am
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life - live it
 


Member Since: 14 Apr 2017
Location: Behind you
Posts: 1022

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

Had a look today and it looks like the tensioner is wobbling like mad.
booked in for Monday repairs
  
Post #18652615th Oct 2017 7:31 pm
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life - live it
 


Member Since: 14 Apr 2017
Location: Behind you
Posts: 1022

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

D3 now repaired.
Aux belt tensioner had sheared off, very lucky indeed

Thanks for the help
  
Post #186707310th Oct 2017 5:58 pm
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Ceekay
 


Member Since: 17 May 2009
Location: Bury
Posts: 2057

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4

spotted just in time then.

Mine is on the garage's list to look at as its abit noisy. How much was it roughly to replace parts and labour?

Thumbs Up
 D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still… 
 
Post #186729911th Oct 2017 10:00 am
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life - live it
 


Member Since: 14 Apr 2017
Location: Behind you
Posts: 1022

United Kingdom 2012 Discovery 4 3.0 SDV6 XS Auto Corris GreyDiscovery 4

Total cost to replace aux tensioner and fit a new belt was £140 all in
  
Post #186767212th Oct 2017 6:39 am
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Ceekay
 


Member Since: 17 May 2009
Location: Bury
Posts: 2057

United Kingdom 2016 Discovery 4 3.0 SDV6 HSE Lux Auto Waitomo GreyDiscovery 4

Thumbs Up
 D4 HSE Lux MY16 Club Waitomo
D3 HSE MY06 missing her still… 
 
Post #186772312th Oct 2017 10:22 am
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