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Concerning noise
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3
Concerning noise

Hi again all

Just started the car today and there was a loud shuddering rattle coming from the engine for about 10 seconds

Cars driving fine and started like normal again

Just did a code read and nothing come up for engine

Thinking live values for cylinders maybe a good idea to screen shot and get someone’s opinion on the values maybe?

Attached

Really weird and I’m scared! Haha

 Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales  
Post #232280415th Jan 2023 4:10 pm
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Flatlander
 


Member Since: 20 Jul 2015
Location: Here
Posts: 575

United Kingdom 

They're all within range - what engine temperature was that read at?
Could be glow plug issue or fuel issue - or something else completely.
Given your description, I'd be checking all the glow plug resistance's first.  
Post #232285615th Jan 2023 9:08 pm
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cmb2020
 


Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Hiya it was 4 degrees and cold

I know the glow plugs are goosed as I’ve been using aux heater to help on cold mornings

So is the rattle nothing to worry about? (Providing I don’t start her cold again)

Thanks Disco 3 SE Manual 2005 V6 2.7
Buckley, North Wales  
Post #232292116th Jan 2023 11:34 am
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18537

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

It's a common issue when using the Webasto as a glow plug alternative. 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know!  
Post #232292216th Jan 2023 11:39 am
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CDS
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Member Since: 12 Oct 2009
Location: All over the UK!
Posts: 3333

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

As Martin mentioned, it’s typical of a cold start with knackered glow plugs.
The only real solution is to replace the glow plugs Thumbs Up 
Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
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Post #232292716th Jan 2023 12:17 pm
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tanters
 


Member Since: 24 Oct 2007
Location: Oireland
Posts: 4286

Ireland 2005 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

Proceed with caution with changing those glow plugs Shocked .... got mine swapped out last year. 3 snapped in the engine heads on removal (Been in for 17years mind!) . Knackered the heads and had to get replacements ... 2 months on a lift Big Cry

On the upside, with all the gaskets and bits and bobs renewed, the engine is running lovely now Thud A happy childhood ... is the worst possible preparation for life.  
Post #232293716th Jan 2023 1:02 pm
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CDS
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Member Since: 12 Oct 2009
Location: All over the UK!
Posts: 3333

United Kingdom 2008 Discovery 3 TDV6 HSE Auto Tangiers OrangeDiscovery 3

Broken glow plug removal is perfectly possible without removing the heads…..so long as the specialist extraction kit is available at the time…..I guess your repairer didn’t have the kit….. Evil or Very Mad 
Discovery 3/4 & RRS keys cut and programmed at your home or work
Apple CarPlay/ Android Auto retro fit - see it here
BAS Remaps/ EGR Blanking
Software updates/ enabling
Mobile Servicing & Repairs  
Post #232293816th Jan 2023 1:08 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10622

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

some examples of noises with "cold" starts.




  
Post #232293916th Jan 2023 1:09 pm
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tanters
 


Member Since: 24 Oct 2007
Location: Oireland
Posts: 4286

Ireland 2005 Discovery 3 TDV6 Base 5 Seat Manual Tonga GreenDiscovery 3

CDS wrote:
Broken glow plug removal is perfectly possible without removing the heads…..so long as the specialist extraction kit is available at the time…..I guess your repairer didn’t have the kit….. Evil or Very Mad


Indeed. Used main dealer. That was part of the delay getting that kit over from England. It didn’t work so they tried ‘other methods’ which didn’t work either. Heads damaged during that process so had to replace.


I thought it would be straightforward ….. no I know better A happy childhood ... is the worst possible preparation for life.  
Post #232294916th Jan 2023 2:27 pm
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