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"Ticking" Noise on start-up.
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Icarus
 


Member Since: 15 Jul 2023
Location: Essex
Posts: 108

United Kingdom 2010 Discovery 4 3.0 TDV6 GS Auto Stornoway GreyDiscovery 4
"Ticking" Noise on start-up.

Guys. Some help and/or advice for a newbie please.

My D4, 2010 MY, TDV6, 133,000 miles.

On a couple of occasions, not every time, whenever I start up from cold, I hear a pronounced tick from the engine. It only lasts for maybe 10 -20 seconds.
Engine's running fine, on warm up, and in normal driving. No loss of oil, or undue smoke, and the vehicle pulls like a train and drives well.

Any ideas?

Is it anything I should be concerned about?

Is it something requiring urgent attention?
 I’m a Disco 4 believer. What a vehicle!  
Post #237805724th Sep 2024 1:43 pm
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defector
 


Member Since: 23 Feb 2009
Location: Greater Manchester
Posts: 1476

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Zermatt SilverDiscovery 3

It's probably the hydraulic valve lifters ticking until the oil gets to them and the lifters then take up the clearance.
Pretty standard on these engines although normally just a few seconds only.
  
Post #237806024th Sep 2024 1:46 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10735

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

or the cam chain tensioners.

An oil change may make it go away. So if its due.... or not had an oil change in the last year....
  
Post #237806424th Sep 2024 2:47 pm
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Icarus
 


Member Since: 15 Jul 2023
Location: Essex
Posts: 108

United Kingdom 2010 Discovery 4 3.0 TDV6 GS Auto Stornoway GreyDiscovery 4

Thanks guys!
My vehicle’s had a recent oil change (July), so the hydraulic lifters sounds the most likely.
The description given exactly mirrors what I hear, and the duration.
I’m relieved and reassured.
This forum is invaluable!
 I’m a Disco 4 believer. What a vehicle!  
Post #237808924th Sep 2024 8:51 pm
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Harry365
 


Member Since: 25 Aug 2018
Location: Lincoln
Posts: 386

United Kingdom 2007 Discovery 3 TDV6 XS Auto Zermatt SilverDiscovery 3

Above posts sounds correct however 10-20 seconds is way too long. 5 seconds max. You need to look into this; you're not achieving sufficient enough oil pressure IMO
  
Post #237967617th Oct 2024 9:01 am
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M3DPO
 


Member Since: 22 Sep 2010
Location: Notts.
Posts: 8243

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

It’s quite likely sticking, my suggestion is next time an oil change is due use an oil flush additive before you drain the oil.
 It can when others can't,
It will when others won't,
It goes where others don't. 
 
Post #237967917th Oct 2024 10:13 am
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Jamied3
 


Member Since: 07 Nov 2024
Location: Yorksire
Posts: 3

England 2006 Discovery 3 TDV6 XS Manual Indus SilverDiscovery 3

Try oil change
  
Post #23812637th Nov 2024 11:24 pm
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