BigandScottish
Member Since: 07 Jan 2017
Location: In a wibbly wobbly world of my own!
Posts: 110
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Picked car up from garage after spending out for a new turbo/ brake discs/gearbox oil leak and some other bits , came of today to take my daughter out for birthday lunch - wouldn’t turn over . Jump started it a bit later and took it for a 20 mile drive, checked terminals and found positive a bit loose , had to put a small bit of metal inside clamp to get it solid tight, seems to be 14.1 v running down to 13.6 under load when tested prior to run, came back turned it off - click won’t start - battery has 12.9v and is 2 months out of 4 yr warranty 🙄 no battery light on ? Is this likely to be alternator or battery?? It’s on charge at the moment until I can get it to run and test charge voltage - have to repair volt meter first 🙄 what should voltage be?? Heard disco is higher than normal- 15v ?
TIA 2008 Discovery 3 2.7 HSE
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4th Sep 2021 7:30 pm |
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Admirable
Member Since: 19 Jul 2015
Location: Fife
Posts: 1011
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Should be about 14v+ just after starting if alternator ok.
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4th Sep 2021 7:58 pm |
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lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
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Volts are only a rough indicator, let battery stand overnight and recheck voltage.
After standing and not connected to anything, 12.6v is perfect, anything over that is suspect, anything much below 12.3/4 volts and the end is in sight.
Cheap battery condiiton meters on ebay for under 20 quid.
I am nearly at 3 yrs on my Yuasa and I reckon this winter will kill it, Exide 18 mths doing same work/route/driving, proper carp battery.
Mine does lots of short journeys, and volts read pretty much 15v all the time.
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4th Sep 2021 8:27 pm |
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BigandScottish
Member Since: 07 Jan 2017
Location: In a wibbly wobbly world of my own!
Posts: 110
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Exide 100ah battery on it just now , done 4 yrs ok might be dying?
Going to get a battery tomorrow from Halfruads yuasa 110ah about £100 then retest
Hoping that will do it , if not have to order a alternator- I hear only to fit a denso??? 2008 Discovery 3 2.7 HSE
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4th Sep 2021 8:57 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10365
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Oh Exide. That explains it
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4th Sep 2021 11:01 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10365
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I don’t think they last very long
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4th Sep 2021 11:25 pm |
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lynalldiscovery
Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274
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The exide is pretty mcuh cheaper than all the rest out there, and there is a reason for that!
You want an 109 to fit in the hole, they are pretty much all around 100amp ish.
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5th Sep 2021 9:06 am |
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BigandScottish
Member Since: 07 Jan 2017
Location: In a wibbly wobbly world of my own!
Posts: 110
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Lasted 4 yrs so not bad for £90!
Bought a yuasa 100amp 5 yr g/t this morning , fitted
13.9 charging voltage 😞
Think the disco requires more?? No battery lights on everything works
Reset all the faults that showed up due to battery flat with iid tool
Think I may need an alternator too 😥 2008 Discovery 3 2.7 HSE
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5th Sep 2021 12:08 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10365
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13.9V should be fine.
Don't worry yet.
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5th Sep 2021 12:11 pm |
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Admirable
Member Since: 19 Jul 2015
Location: Fife
Posts: 1011
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lynalldiscovery wrote:
You want an 109 to fit in the hole, they are pretty much all around 100amp ish.
019
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6th Sep 2021 9:40 am |
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BigandScottish
Member Since: 07 Jan 2017
Location: In a wibbly wobbly world of my own!
Posts: 110
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Ordered new alternator, can’t risk a breakdown or fire!!!!😯 2008 Discovery 3 2.7 HSE
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7th Sep 2021 10:29 am |
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BigandScottish
Member Since: 07 Jan 2017
Location: In a wibbly wobbly world of my own!
Posts: 110
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Got alternator all ready to go, stripped down pies etc - can I get the fan off??? No it’s welded on😡😡😡😡
Over an hour spent trying different ways to loosen it- jam the pulley without success, gave up put it all back together
😞😞 2008 Discovery 3 2.7 HSE
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7th Sep 2021 8:16 pm |
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DN
D3 Decade
Member Since: 24 Jun 2006
Location: W.London.
Posts: 2294
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I take it you know it is a L/H thread on the fan ? D3 owned from new, P017 brake recall, BAS FBHIC, new FBH, LR013487 oil pump, new water pump. RRS front lower suspension arms. New suspension compressor/ relay. New Denso alternator. CuNifer rear brake pipes. New GKN rear propshaft. New HPFP belt & tensioner. New A/C Condenser.NO WARRANTY for many many years.
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7th Sep 2021 8:21 pm |
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