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Home > Technical (L322) > is charging 13.6 at 2K RPM enough?

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Robert

Member Since: 25 Oct 2011
Location: Perigueux
Posts: 2283

2007 Range Rover Vogue 4.4 V8 Zambezi Silver

is charging 13.6 at 2K RPM enough?

The battery light has come on and wont stop telling me something is wrong.
Today they messured 14 at starting up the engine and a fall back to 13.6 with airco, and everything switched on at 2000 RPM
Battery is tested and is OK.
So should I replace the alternator or is it something else.

any suggestions?
thanks in advance.
Regards
Robert

29th Jun 2015 6:06pm

alanm_3

Member Since: 19 Feb 2011
Location: my House, unless I’m not at home, in which case I’m somewhere else.
Posts: 6672

2017 Range Rover Autobiography SDV8 Loire Blue

I would suspect that's a wee bit low. With my IIDTool plugged in, mine reads over 14v Got - 2017 SDV8 Autobiography in Loire Blue
Had- 2008 TDV8 Vogue SE in Java black
Had - 2007 S/C in Stornoway Grey

29th Jun 2015 6:09pm

Haylands

Member Since: 04 Mar 2014
Location: East Yorkshire
Posts: 7962

2014 Range Rover Autobiography SDV8 Loire Blue

Mine dropped to 13.8v for about a week before that dreaded smell of fubared alternator....

Having said that I've got three meters and they all read something different so I don't think there is much accuracy with them..... Pete

__________________________________________________
2014 L405 Autobiography SDV8 4.4 Loire Blue Ebony interior
2011 L322 Vogue SE 4.4 TDV8 Baltic Blue. Parchment over Navy Interior. Sold
2012 L322 Autobiography 5.0 Supercharged Ipanema Sand, Jet Interior. Sold
2002 L322 Vogue 4.4 V8 Epson Green, Ivory over Aspen Interior (Fatty Offroader) Sold
-Click for Project Fatty off roader-

29th Jun 2015 6:17pm

Robert

Member Since: 25 Oct 2011
Location: Perigueux
Posts: 2283

Oh thanks so encouraging

29th Jun 2015 6:49pm

nicedayforit

Member Since: 11 Jun 2011
Location: Beside the Solway
Posts: 3955

2004 Range Rover Vogue Td6 Giverny Green

Just to be even more encouraging I'm afraid you need a new alternator before it takes the battery with it.
Very common problem with 2007 FF's for some reason.

29th Jun 2015 7:22pm

stan
Site Moderator

Member Since: 13 Jul 2010
Location: a moderate moderated moderator moderating moderately in moderation
Posts: 34971

should be 14 volts plus robert, as suggested your alternator might be on its way out... ... - .- -.

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29th Jun 2015 7:31pm

Robert

Member Since: 25 Oct 2011
Location: Perigueux
Posts: 2283

thanks guys, will order repair tomorrow.

29th Jun 2015 8:15pm

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