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

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Hi all

This morning it took 6 ignition flicks for the car to start. Glow plug sign light took longer than usual to go off.

Does this indicate a dead glow plug please?

Are they easy to replace?  
Post #219782631st Dec 2020 4:57 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10547

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

Lower temperatures result in the light staying on longer.

What was the outside temperature showing ?

No, they aren't easy to replace as they often snap. You can very easily end up with a £700 bill

Do you have an electrical meter ?

Here is a test procedure if you do :

https://www.rrsport.co.uk/forum/topic49539.html  
Post #219782931st Dec 2020 5:00 pm
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Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Hi it was 0 degrees this morning

You mean a multimeter? I have one of them yes  
Post #219783031st Dec 2020 5:04 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10547

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

yeap, see link

https://www.rrsport.co.uk/forum/topic49539.html  
Post #219783231st Dec 2020 5:06 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10547

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

cheaper alternatives to replacing glowplugs

https://www.disco3.co.uk/forum/non-starter...92651.html  
Post #219783431st Dec 2020 5:08 pm
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Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Cheers

Does the wire and button resistor trick work long term?

Would it be safe to ignore faulty glow plugs if it can be masked over with an alternative?

Really don’t want to pay £700 for parts or risk snapping them  
Post #219783931st Dec 2020 5:21 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10547

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

yes the button trick seams to be a good long term solution.

The glowplugs aren't £700, but it can cost that when they snap.

ANyway, test your glowplugs. Yours (or some) maybe ok, if it started at 0.  
Post #219784831st Dec 2020 5:30 pm
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Member Since: 08 Sep 2020
Location: Buckley, North Wales
Posts: 1150

United Kingdom 2005 Discovery 3 TDV6 SE Manual Aintree GreenDiscovery 3

Ok cheers Will do!  
Post #219785031st Dec 2020 5:37 pm
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