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Alternator Replacement Guide
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Johnny Oxford
 


Member Since: 14 Dec 2014
Location: Chinnor
Posts: 446

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

ops sorry didnt spot that! Smile

Robbie wrote:
Quote:
One tip which I have not seen
...on the first page...
Quote:
is to use a 3/8" socket wrench


Laughing
  
Post #139428822nd Dec 2014 11:42 pm
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Johnny Oxford
 


Member Since: 14 Dec 2014
Location: Chinnor
Posts: 446

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

i just reconnected the battery, and had to reset the clock.
  
Post #139429122nd Dec 2014 11:43 pm
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Robbie
 


Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17926

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

galwaygreen wrote:
just a point please...can you just reconnect the battery and away or is there a reset thing to do...
have no intension of putting a spanner near our newish d4.....happy at my age to let the stealer do it all.peace if mind I guess


If you replaced the battery as part of the job the BMS should be reset. Probably a bit early to think of such things!
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Post #139433323rd Dec 2014 8:34 am
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joka748
 


Member Since: 08 Jan 2015
Location: Hampshire
Posts: 1

United Kingdom 
TdV6 Fan Removal

Here's my method for removing a reluctant fan..

I cut a 25mm square steel tube down to 545mm and placed it between one of the bolt heads and the cross-member directly below.

Click image to enlarge


Click image to enlarge
  
Post #14034568th Jan 2015 12:10 pm
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derryfrombury
 


Member Since: 01 Sep 2014
Location: Bury St Edmunds
Posts: 212

England 2005 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3
Alternator change

Excellent write up and photos.

Thanks Derry
 Joined Aug 2014. Disco 3 SE 54plate, Buckingham Blue, Cream leather.
Defender 90 200Tdi (weekend toy)
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Tera-Firma black silicone intercooler/turbo hoses fitted Sep2014
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Post #14038548th Jan 2015 9:14 pm
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Wheels244
 


Member Since: 28 Sep 2013
Location: Bedale, North Yorkshire
Posts: 105

United Kingdom 2014 Discovery 4 3.0 SDV6 HSE Lux Auto Kaikoura StoneDiscovery 4

I did my mates alternator tonight - this guide was a god send.
The fan was ridiculously tight. Tried all the methods on here, when I braced the pully against the bottom crossmember the engine was lifting when trying to undo or shock the spindle !
In the end I used a double ended ratchet spanner over one of the 3 bolts near the spindle and the other over the pully to the right of the spindle - big wacks and it finally came off.
Once the fan was out of the way, the job was a piece of cake.

Thanks to all for the top tips Thumbs Up
  
Post #145791713th Apr 2015 9:03 pm
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Eugenevr
 


Member Since: 27 Jun 2015
Location: Kempton Park
Posts: 1

South Africa 2006 Discovery 3 TDV6 Base 7 Seat Auto Alaska WhiteDiscovery 3
Alternator Replacement

Thanks for this post Andy.

I have successfully taken out, repaired and replaced my alternator. Place that repaired my alternator is http://alternators-starters.co.za/contact-us/. You can speak to Dirk. Most helpful people. Phoned around for new alternator and everyone said it is a sealable unit and you don't get spaires to repair it. Truck and car spares had all the spares and they can repair the Disco 3 alternator. Took me 1h to take out the alternator, half a day for Truck and car spare to repair the alternator and another 1h for me to put back the alternator. Price to repair the alternator R1710.

No more battery light on my Disco 3.
  
Post #149356427th Jun 2015 11:36 am
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Gerry Costello
 


Member Since: 06 Aug 2015
Location: Naas
Posts: 1

Ireland 

Thanks for the post, Very good. My alternator went on me when I was working in the UK, I had to take it to the Stealership in Suffolk. It cost £808.74 to fix. For something I could fix at home for around €200.00
  
Post #15123426th Aug 2015 8:51 pm
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Kummu24
 


Member Since: 16 Feb 2013
Location: Ayrshire
Posts: 238

Scotland 2015 Discovery 4 3.0 SDV6 HSE Auto Corris GreyDiscovery 4

Cheers Methley and others. In and out in easily well under an hour. Mind you my belts had been done recently so my fan co-operated very easily. Your guide certainly made a difference

Bow down
  
Post #160911712th Feb 2016 6:26 pm
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mike23118
 


Member Since: 01 Oct 2010
Location: North Wales
Posts: 1010

Wales 2014 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

Most helpful thank you.
Struggled getting the fan off, in the end I used a big C spanner to lock onto 2 of the small nuts' and the big one came off fairly easy in the end
taking it to be repaired tomorrow. Thumbs Up
  
Post #160914712th Feb 2016 7:02 pm
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mike23118
 


Member Since: 01 Oct 2010
Location: North Wales
Posts: 1010

Wales 2014 Discovery 4 3.0 SDV6 HSE Auto Loire BlueDiscovery 4

rectifier had gone, new one fitted £45 Very Happy now chucking out 15v +/-
  
Post #161113516th Feb 2016 5:12 pm
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 62

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3
alternator definitely gone?

so many diy jobs racking up I'm losing the will -

Short drive today and after stop no re-start and battery flat. I had LCD and audio flicker yesterday with parking break fault warning so know something was coming

AA out and new battery fitted (I had bought one seeing as mine was still the original after 9 years). After fitting the battery was registering a drain of approx. 1 amp? Upon re-start no charge was registering and diagnosed alternator gone

Short drive home and battery warning light went out after few seconds. Car now on drive with battery disconnected. I am now wondering if alternator has definitely gone seeing as the light went out (I had no battery warning light previously before flat)??

Clutching at straws but does a new battery take some time to register or something along those lines? New alternator was fitted only a year or so ago by main stealer under ext warranty (which I no longer have). AA said it was not genuine LR part and looked like cheap aftermarket - why would main dealer do this?? Not naming names at the moment but not a happy bunny!! Would I have a case for a winge at the dealer?

If it has definitely gone then are there any other issues that could have caused it to go? I do have suspected pkg sensor wiring issue along with my gear linkage problem Big Cry

Any advice would be appreciated
Cheers
Steve
  
Post #161689326th Feb 2016 11:59 pm
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JMack
 


Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1448

Scotland 2006 Discovery 3 TDV6 Commercial Manual Java BlackDiscovery 3

A new battery doesn't take time to register.

But was it fully charged? A new battery doesn't necessarily mean a fully charged one.
Put it on charge for a while and see what happens.
Also check what voltage the alternator is putting out when running.
  
Post #161689527th Feb 2016 12:24 am
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SteveH
 


Member Since: 10 Aug 2013
Location: Northampton
Posts: 62

England 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

AA read 11.19 just after battery fitted. Nothing changed under revs
Reading was off of battery. Would it be down if not fully charged i.e get better when charged / if battery warning light went out was alternator working/charging it?
  
Post #161691327th Feb 2016 3:44 am
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Barn1e
D3 Decade 


Member Since: 28 Aug 2006
Location: Mid-sussex
Posts: 2009

United Kingdom 2005 Discovery 3 TDV6 S Auto Tonga GreenDiscovery 3

It does sound like alternator has failed. It should have a guarantee on the part do although out of dealer warranty you may have case under manufacturers warranty. As for why they may have fitted cheap part I guess that is their choice as their cost unless warranty stayed genuine parts.
 2005, TDV6 S, Auto, 190k miles, owned from new, V8 Brake Upgrade, Nancom Evo, RLD protector, BAS EGR blanking & Remap, separate ATF cooler, changing all the fluids ahead of time.  
Post #161692627th Feb 2016 8:26 am
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