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Ken 153



Member Since: 02 Sep 2021
Location: Sheffield
Posts: 163
United Kingdom 2010 Range Rover Sport Supercharged HSE Galway Green
Battery keeps going flat

Hi,

Is there a common issue that causes the battery to drain.

I know on some older cars like MK2 golfs that the glove box & boot light is a common issue for flattening the battery, is these something similar on a 2010 RRS?

I have read the thread about YASU batteries failing and mine has one fitted but the AA man says its not showing issues of it failing.

TIA
Post #617203 Sun Sep 12 2021 4:54pm
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RRSTDV8



Member Since: 13 Aug 2011
Location: Northamptonshire
Posts: 8841
United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

Does yours have the split tailgate (the glass is openable separately from the main boot lid). If so, the switch is known to corrode and can cause a drain. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed
Post #617214 Sun Sep 12 2021 8:36pm
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RRSTDV8



Member Since: 13 Aug 2011
Location: Northamptonshire
Posts: 8841
United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

I see on another post that you have the split tailgate. So that might be worth a look. Also, you're looking for a spoiler trim piece. There is wiring behind the spoiler and if it's broken and letting water in, that might cause corrosion in a connector or similar. The connector for the heated rear glass in in there and known to corrode over time leading to non-working defrosting of the rear glass. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed
Post #617215 Sun Sep 12 2021 8:40pm
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Ken 153



Member Since: 02 Sep 2021
Location: Sheffield
Posts: 163
United Kingdom 2010 Range Rover Sport Supercharged HSE Galway Green

RRSTDV8 wrote:
Does yours have the split tailgate (the glass is openable separately from the main boot lid). If so, the switch is known to corrode and can cause a drain.


Yes split tailgate.

Which switch di you mean? the handle under the glass to open the top glass?

Spoiler all looks good - replaced the camera today thats why i know its broken.

Thanks
Post #617216 Sun Sep 12 2021 9:30pm
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RRSTDV8



Member Since: 13 Aug 2011
Location: Northamptonshire
Posts: 8841
United Kingdom 2012 Range Rover Sport SDV6 HSE Orkney Grey

Yes, the rubber switch to open the glass. It is known to corrode. Do a search on the forum and you'll find some how-to posts in there. 2012 SDV6 - it's missing a couple of cylinders
2008 TDV8 - it was a labour of love and is much missed
Post #617232 Mon Sep 13 2021 12:09pm
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Ken 153



Member Since: 02 Sep 2021
Location: Sheffield
Posts: 163
United Kingdom 2010 Range Rover Sport Supercharged HSE Galway Green

Thanks Thumbs Up
Post #617236 Mon Sep 13 2021 12:56pm
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