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Engine not turning over
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Ade_S
 


Member Since: 19 Jul 2018
Location: Warwickshire
Posts: 90

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4
Engine not turning over

Hi all,

Not posted for a while as the car has been pretty good, however...

Car was fine when last driven on Saturday. My wife then went to use it on Sunday and it wouldn't turn over at all. The battery seemed a little low (12.1V) so I put it on charge overnight but my CTEK still showed only half-charge in the morning.

Aha, I thought, the battery is 4+ years old. It must have failed. So, ordered a new one from Tayna and fitted it just now but the issue is the same (apart from me being £180 poorer!).

The ignition comes on, seat adjusts etc but there's just a faint click/clunk when operating the start button. No errors and an OBD2 reader shows no fault codes.

Any ideas what to check before I call on a local garage or the RAC?

Cheers,
Ade
 MY2012 D4 HSE in Siberian Silver, 1967 MGB  
Post #23412114th Jul 2023 7:49 pm
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rrhool
 


Member Since: 28 Aug 2014
Location: Norfolk
Posts: 4520

United Kingdom 2007 Discovery 3 TDV6 SE Manual Zermatt SilverDiscovery 3

Earth strap from engine to chassis ?
 Richard


D3 SE 2007. Triumph 2.5Pi 1973. Ferguson TEA20 1948.



Discovery 2 4.0 ES 2001- Gone
Discovery 1 300Tdi ES '95 - Gone
Range Rover Classic '79 - Gone 
 
Post #23412124th Jul 2023 7:51 pm
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Ade_S
 


Member Since: 19 Jul 2018
Location: Warwickshire
Posts: 90

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Funnily enough, I just spotted this recent post that suggests the same:
https://disco4.com/forum/low-battery-warni...ight=start

Just tested with a jump start pack and the engine fires up when that's used (negative connected to engine), so I think you're probably right. I gather the place to check for corrosion is inside the driver's wheel arch, once the liner is removed.

Any ideas how easy / quick that is to remove and check? I'm reasonably handy with the tools but struggling for time (middle of house extension) so need to work out whether to try to fix it myself or see if the garage can fit it in...

Cheers,
Ade
 MY2012 D4 HSE in Siberian Silver, 1967 MGB  
Post #23412144th Jul 2023 8:14 pm
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Nasher
 


Member Since: 07 Mar 2009
Location: Clanfield, North of Pompey - UK
Posts: 2813

England 2016 Discovery 4 3.0 TDV6 HSE Lux Auto Loire BlueDiscovery 4

Have a read of this:

https://www.disco3.co.uk/forum/topic188391.html
 Heaven doesn't want me, and hell is afraid I'll take over.  
Post #23412174th Jul 2023 8:36 pm
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Ade_S
 


Member Since: 19 Jul 2018
Location: Warwickshire
Posts: 90

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

Eeek! Thanks! I think I'll book it into my local LR indie. Need it fixed properly as I'm driving it to Germany in 3 weeks' time...
 MY2012 D4 HSE in Siberian Silver, 1967 MGB  
Post #23412234th Jul 2023 9:08 pm
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popsdosh
 


Member Since: 09 Nov 2009
Location: cambs
Posts: 442

United Kingdom 2016 Discovery 4 3.0 SDV6 Graphite LE Auto Corris GreyDiscovery 4

Just fit a new earth to the engine in the engine bay no need to go down behind the wheelarch mine was done two years ago as a temporary fix and never felt the need to complicate life.
  
Post #23412455th Jul 2023 6:07 am
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Ade_S
 


Member Since: 19 Jul 2018
Location: Warwickshire
Posts: 90

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Siberian SilverDiscovery 4

I did wonder about that. I think the original cable links the engine, chassis and body, so presumably that works only if its broken at the engine end (ie if body to chassis is still fine).

I assume that's where mine has broken as it starts when an external battery pack is connected to the engine.
 MY2012 D4 HSE in Siberian Silver, 1967 MGB  
Post #23412505th Jul 2023 6:38 am
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Gary_P
 


Member Since: 03 May 2016
Location: Kent
Posts: 1664

Ukraine 2016 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

I’ve read that you can put in a temporary Earth connection, to test this, using a heavy duty jump start lead connected between battery negative and car bodywork.
Good luck.
 Gary
-------------------------------------------

Discovery 4 HSE 2016MY 
 
Post #23412785th Jul 2023 9:02 am
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