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Hydraulic tappet replacement -click, click, click!!!
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Andyhv
 


Member Since: 22 Oct 2017
Location: Ljubljana
Posts: 18

Slovenia 2005 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3
Hydraulic tappet replacement -click, click, click!!!

Hello,

Tappet clicking is driving me insane on my D3, 2005, manual, 2.7 V6, 180k Kms.
I have tried everything, engine flush, oil + filter change x 2.
So will open her up and check hydraulic tappet wear and cam shaft.
Has anyone done the same and changed all hydrauic tappets and mountings?
If so, any part number for the complete set and any idea on cost of the parts and work?
Thanks for any advice.

Andy
  
Post #19430137th May 2018 6:41 am
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WW88
 


Member Since: 19 Aug 2017
Location: Northants
Posts: 250

England 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Do you have any videos?
  
Post #19430377th May 2018 8:10 am
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Andyhv
 


Member Since: 22 Oct 2017
Location: Ljubljana
Posts: 18

Slovenia 2005 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Hi,

Yes, I will download a few.
Cheers.
  
Post #19430497th May 2018 8:41 am
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

It's a lot of time to take the cams and lifters out of these.

One cam drives the fuel pump at rear of engine. This is where it gets time consuming.

Maybe a new oil pump would help quieten the engine if its high mileage and a better investment or time and money
  
Post #19430517th May 2018 8:47 am
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Andyhv
 


Member Since: 22 Oct 2017
Location: Ljubljana
Posts: 18

Slovenia 2005 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Noisy tappet clicking video. Please check the link on Youtube.
The D3 has 181000 kms / 112468 miles. 2005/manual/2.7 V6.
Great condition. I get between 29.4 miles to the gallon on the motorway and 27.3 regular urban driving.
Main big service (timing belts....) was done last year in May as per Land Rover recommendations at 160000 kms / 99500 mile mark.




Cheers.
  
Post #19430767th May 2018 11:24 am
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

Have you visually checked theres no cylinder gases leaking past the injector seal and that the tick is not actually an injector itself?
  
Post #19431247th May 2018 2:04 pm
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4580

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

Yep I agree with lynalldiscovery. it does sound very suspiciously like a combustion gas leak. I have a ticky tappet on by 08 D3 but its not noticeable at idle, only when decelerating down the gears and even then only barely so. If it is a combustion leak at the injector it should be very easy to diagnose once the covers are out of the way.
  
Post #19431607th May 2018 4:01 pm
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SafariDave
 


Member Since: 19 Nov 2011
Location: NYC & LA
Posts: 775

United States 2005 Discovery 3 4.4 V8 SE Auto Bonatti GreyDiscovery 3

Does not sound like a tappet noise to me.
Dave
 D3 2005 V8 SE Bonatti Grey "The Rhino" (our NYC D3)
De-tangoed Headlights, D4 2016 Style Black Pack Grille, D4 19" Wheels/ Bridgestone Alenza
D3 2005 V8 SE Bonatti Grey, D4 2016 Style Black Pack Grille (our LA D3)
D2 1999 V8 SD7 Chawton White (our Caribbean Beach truck) 
 
Post #19431617th May 2018 4:03 pm
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3disco
 


Member Since: 23 Sep 2010
Location: devon chardstock
Posts: 504


+3 for injecter washer blow past.
  
Post #19432867th May 2018 11:51 pm
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Andyhv
 


Member Since: 22 Oct 2017
Location: Ljubljana
Posts: 18

Slovenia 2005 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Many thanks for your replies. Much appreciated.
How would you spot a gas/exhaut leak on a injector? Residue or fuel leakage around the injector or can you phyisically see some blow out from the faulty seal/s?

Cheers,
  
Post #19433008th May 2018 5:50 am
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PROFSR G
 


Member Since: 06 Mar 2017
Location: Lost
Posts: 4580

Ukraine 2009 Discovery 3 TDV6 Commercial XS Auto Stornoway GreyDiscovery 3

By the sound of your engine I would say it should be quite easy to pin down which injector.
Wearing suitable eye protection a visual inspection will usually be enough but not always. Firstly, remove the engine covers and satisfy yourself as which bank of cylinders are suspect. Once you have pulled back the injector shield it really should be very obvious which injector is leaking.

Removal of an injector can be a pig! and sometimes require special tools, but you can be lucky too. It will mostly depend on how much carbon has made its way around the length of the nozzle. Remember to replace any injector pipework which has had to be removed with new, and as always with these systems remember the dangers present with what is a very high pressure injection system.
  
Post #19434018th May 2018 12:44 pm
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