Disco3leigh
Member Since: 07 Jul 2008
Location: Karratha
Posts: 20
  
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I think my alternator is stuffed, brought a new battery $325 + Freight. But the new battery is reading at 12.7v and when the car is running it is reading 12v is it my alternator or will it pick up with a good run? battery light still on in dash!  Fighting the good fight against a sea of Prado clowns.
2005 TDV6 SE
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 Thu Dec 22 2011 5:19pm |
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The Transformer
Member Since: 22 Jan 2010
Location: Leicestershire
Posts: 1458
 
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Sounds like alternator to me
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| Thu Dec 22 2011 5:29pm |
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nicedayforit
Member Since: 05 Sep 2011
Location: Beside the sea
Posts: 30
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Your battery is reading correctly at 12.7V with the engine off.
With the engine running at 2000rpm the voltmeter should read 14.0-14.4V depending on battery state and other electrical load on the car.
If the battery charge light is on on the dash the diodes in your alternator are faulty.
Unless you or someone else can change the diodes you need a new alternator.
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| Thu Dec 22 2011 5:36pm |
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Disco3leigh
Member Since: 07 Jul 2008
Location: Karratha
Posts: 20
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Thanks for the reply Just on Xmas too, not looking forward to that bill on top  Fighting the good fight against a sea of Prado clowns.
2005 TDV6 SE
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| Thu Dec 22 2011 5:58pm |
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snow?wotsnow?
Member Since: 01 Nov 2009
Location: Gloucestershire
Posts: 6
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Got the red iginition light on my dashboard yesterday and using the excellent guidance on various parts of this BB, took voltage readings of 12.7 engine off and 13.4 engine running - low albeit steady when heated seats and other loads applied.
Then whipped alternator out (thanks again to BB contributors for guidance) and was in local alternator specialist's workshop first thing Monday morning. He was able to see that the regulator was fine but could not do a dynamic test as the Ford diagnostics (that you might not unreasonably have thought would work) are no good on these units. All he could tell me was that the diodes probably were to blame but that he was unable to source them?
Please does anybody know how to get hold of diodes for a Disco 3 Denso alternator?
TIA
Edward
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| Mon Jan 23 2012 3:43pm |
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snow?wotsnow?
Member Since: 01 Nov 2009
Location: Gloucestershire
Posts: 6
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It seems the aftermarket has not yet woken up to the supposed un-sourceable diode issue and therefore the most economical way forward is service exchange. My local indie in Cheltenham is shifting more than one alternator a week as they are appearently so unreliable that 50k miles is a common life-expectancy. I managed to get 100k out of my original one in the SE that I have had from new since December 2004.
So £251.77 +VAT worse off, I am back on the road again, plus of course the £12.99 for the viscous fan spanner from Halfords ('cos I couldn't wait for the cheaper one through eBay).
Edward
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| Tue Jan 24 2012 1:16pm |
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The Large One
Site Sponsor
Member Since: 20 Apr 2007
Location: back in my office with phone at my ear
Posts: 4339
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snow?wotsnow? wrote:
So £251.77 +VAT worse off,
 how much
they are only 225+vat retail
from me £216 inc  Genuine Land Rover Parts supplier extraordinaire..
If you want it, i have it, if i don't have it, i can get it, if i can't get it, they don't make it.. All GENUINE LAND ROVER.
.
off now till monday 21st...see ya
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| Tue Jan 24 2012 1:49pm |
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BrianT
Member Since: 17 Nov 2009
Location: Ayrshire
Posts: 613
 
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must be the time of year,just done mine before Xmas,
BrianT 
P.S.or its an LR conspiracy  MY 05 SE Adriatic Blue
98 Freelander xEi Gone
Club Wiggs 4x4 Info
Club 20" Stormers-ON
Club 19" 6 spoke HSE's with MTR's-OFF
Club Mantec NON-Winch
Club Cross drilled/Grooved discs with EBC pads
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| Tue Jan 24 2012 5:18pm |
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BrianT
Member Since: 17 Nov 2009
Location: Ayrshire
Posts: 613
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Dave T wrote:get something Japanese ....... sounding better by the day
Wash your mouth out Blasphemer!!!!!!!!!!  MY 05 SE Adriatic Blue
98 Freelander xEi Gone
Club Wiggs 4x4 Info
Club 20" Stormers-ON
Club 19" 6 spoke HSE's with MTR's-OFF
Club Mantec NON-Winch
Club Cross drilled/Grooved discs with EBC pads
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| Tue Jan 24 2012 5:39pm |
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The Large One
Site Sponsor
Member Since: 20 Apr 2007
Location: back in my office with phone at my ear
Posts: 4339
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Dave T wrote:TLO, do you have one in stock, are they exchange?
Yep, normally like to keep at least 4 as otherwise they get lonely on the shelf by themselves
Yep service exchange so need your old one back so factor that into the price Genuine Land Rover Parts supplier extraordinaire..
If you want it, i have it, if i don't have it, i can get it, if i can't get it, they don't make it.. All GENUINE LAND ROVER.
.
off now till monday 21st...see ya
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| Tue Jan 24 2012 6:41pm |
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Frans@yamorna
Member Since: 20 Jan 2010
Location: Tzaneen
Posts: 97
 
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My alternator let go two weeks ago As I needed the D3 i had to get a service exchange from the dealer  The sparky working on my auto electrics is currently trying to source Bosch diodes that might fit.Will keep you informed.Where do the rebuilders get there parts from  There must be a supply,we must just find out where!!!! Big Country RR,NL Split Charge,FR Sump Guard,TP Monitor,BAS map
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| Tue Jan 24 2012 7:01pm |
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snow?wotsnow?
Member Since: 01 Nov 2009
Location: Gloucestershire
Posts: 6
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TLO I hope you are getting the business from "my local indie" even if I failed to call you this time. Time and the need to get back on the road quickly compelled me to source the nearest on the shelf unit I could find, even suspecting I was not likely to get the keenest price. Thanks for giving a benchmark current price point. I think there should just be time for me to reverse engineer these darn things and set up a business before mine fails again
Edward
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| Tue Jan 24 2012 11:02pm |
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