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Dstew

Member Since: 26 Dec 2020
Location: Kent
Posts: 41

2011 4.4 TDV8 Battery voltage

Hi everyone. Just bought my first FFRR and have a battery question. Sitting on the drive the battery shows around 12 volts which I assumed to be on the low side. Alternator charging at 14.7 volts so no problems there. Is a new battery recommended? Tried the FBH while parked and it seems to go through a start up cycle but then stops and the battery showed only 11.4 volts.

Thanks in advance for your help.

Regards

David

29th Dec 2020 10:14am

Dolphinboy

Member Since: 08 Dec 2009
Location: Bristol
Posts: 3121

2011 Range Rover Vogue TDV8 Atacama Sand

yep new battery required. My 2011 is exactly the same. 12 v resting. Not enough to get the FBH going, which was (until the cold weather!) working fine. you may also start get "battery Low - start engine from time to time.

29th Dec 2020 10:30am

neilly

Member Since: 06 Oct 2019
Location: Oxon
Posts: 76

2011 Range Rover Autobiography TDV8 Baltic Blue

Exactly the same on mine, then I fitted a nice new LR Battery, as mentioned in the battery changing thread.

Finally had a great working FBH.

Cheers

29th Dec 2020 3:57pm

Dstew

Member Since: 26 Dec 2020
Location: Kent
Posts: 41

I had a quick look under the bonnet and this is what has been fitted.

29th Dec 2020 5:17pm

neilly

Member Since: 06 Oct 2019
Location: Oxon
Posts: 76

Yeah, that aint right.

This is what I have

Cheers

29th Dec 2020 5:20pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4289

2011 Range Rover Vogue SE TDV8 Buckingham Blue

Should be 850 minimum Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silcon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

29th Dec 2020 5:48pm

Dstew

Member Since: 26 Dec 2020
Location: Kent
Posts: 41

So it seems. Not sure which muppet in the past thought a Fiat Ducato battery was a good idea. Not even AGM.

Think it will be a Varta G14 for me.

29th Dec 2020 6:23pm

Rambles

Member Since: 16 Apr 2011
Location: UK
Posts: 789

2011 Range Rover Vogue SE TDV8 Stornoway Grey

You don’t say what model year you have ......
If AGM battery, then you will need to reset the battery management ECU when you make the switch

30th Dec 2020 5:58pm

Dstew

Member Since: 26 Dec 2020
Location: Kent
Posts: 41

In title of first post. 2011

30th Dec 2020 6:18pm

PeteT80

Member Since: 25 Jan 2020
Location: Preston
Posts: 199

2011 Range Rover Vogue TDV8 Santorini Black

Fitted G14 today bought from Tayna, offer ends tomorrow.
https://www.ebay.co.uk/itm/361883445884

30th Dec 2020 6:56pm

paulwlincs

Member Since: 07 Oct 2019
Location: Lincoln
Posts: 44

I've got a Yuasa ybx5019 fitted to my 2011 tdv8 , the battery voltage has always been 12.1v at rest which has always concerned me but it's never been a problem . It was new when I bought the car 2 year's ago I do have it on a ctek 5.0 when it's not used for any length of time .
So my question is do I really need a AGM battery when I do replace it ? 2011 tdv8 4.4 vogue Santorini black

31st Dec 2020 2:56pm

DrRob

Member Since: 16 Apr 2015
Location: Petersfield, Hampshire
Posts: 4289

Yes, always fit an AGM to later L322. LR swapped them out for AGM for owners for good reason...non AGM are Gone to a good home: 2011 4.4 TDV8 Vogue SE Buckingham Blue with Ivory and clear glass = "Rory"
2025MY Defender D350 90 in Silcon Silver on coils
1974 Series 3 Lightweight = "Millie"
Many, many other Landies over the years
My preferred specialist: www.glenrands.co.uk
--------------------------------------------------

31st Dec 2020 3:23pm

D3Jon

Member Since: 15 Aug 2020
Location: Lincolnshire
Posts: 413

DrRob wrote:
Should be 850 minimum

But you're not comparing like with like. The cranking amps stated on the Fiat battery are measured as EN2 or SAE.

850A EN (as per the LR battery photo) is equal to roughly 720A EN2, so it's not a million miles away from spec...

Might still be goosed though, a battery load tester would give the batteries state of health.

Jon 1992 RR Classic 3.9 efi Vogue
2014 Disco 4 HSE
===================
Both my fatties now gone...
Previous: 2011 L322 4.4 TDV8 Vogue SE /// 2002 L322 4.4 V8 HSE /// 2009 Discovery 3 2.7 TDV6 XS /// 2004 Defender 90 TD5 /// 1993 110 V8 Snatch Landrover /// 2005 Discovery 3 2.7 TDV6 SE (Aus) /// 1990 110 Isuzu 3.9 County (Aus) /// 1976 Series III Trayback (Aus)

2nd Jan 2021 10:56am

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