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Alternator Replacement Guide
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bigjak
 


Member Since: 20 Jun 2012
Location: Sychdyn
Posts: 62

Wales 2005 Discovery 3 TDV6 Base 7 Seat Auto Zambezi SilverDiscovery 3

I had the red light if death yesterday, then every light and then dead. RAC put a battery in to get me home and charged mine in his van while we drove home. Was all set to drop car off with local guy but this write up made me get my tools out. The only thing I was going to struggle with was the fan, so popped to Europarts this morning for a Denso alternator (£220 all in) and then went to Tool Station for a 12" adjustable that opened to 36mm max.
Read the write up again, memorised the photos and off I went. Just over an hour later, car started on its own battery, few moments later battery light went out and now I am getting 14.77V at the battery at tuck over. A result I think!!
If I spin this out I can tell her in doors it took me all day and that us why I haven't been able to do a thing around the house. Oh the strain of working nights!!!
  
Post #112207724th Jun 2013 11:49 am
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18025

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Just an FYI for others reading the thread, Advanced Factors (site sponsor) do the Denso alternators for just over £211 with free delivery Smile

http://www.advancedfactors.co.uk/dan-987-a...o-74-p.asp
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #112208924th Jun 2013 12:06 pm
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Richardtriumph
 


Member Since: 16 Jun 2010
Location: Brentwood
Posts: 1

United Kingdom 2006 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3
The instructions are a great help - one more tip

Had all the same symptoms as everyone else on my 2006 Disco 3, battery light on intermittently and battery discharging. Bought new Denso alternator from AF at £211 and Exide battery with 4year warranty from Eurocarparts. Both excellent prices.

Instructions made the job a piece of cake but I have one tip.

Very hard to get the belt back on the alternator/tension pulley on your own due to not enough hands. Really easy with wife putting belt on pulley while I held the tension pulley as far as I could to gain maximum clearance. That was really easy, so get someone to help you when you put the belt on. Saves a lot of time and frustration.

So job done with new alternator and new battery for about £300 in total which hopefully should last another 7 years.

Cheers for all the helpful advice.

Richard
  
Post #115048331st Aug 2013 2:44 pm
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Simon58
 


Member Since: 07 Sep 2013
Location: swindon
Posts: 1

United Kingdom 

Great forum great guide - although I have come across from the other side (TDV6 Sport owner) is this the same method on a sport for changing the alternator, I think looking at it I have another pulley in the way and not sure how you get the bottom half of the fan cowling off and out of the way!
  
Post #11543308th Sep 2013 9:24 am
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Disco_Mikey
 


Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 19484

Scotland 2005 Discovery 3 TDV6 HSE Auto Cairns BlueDiscovery 3

Sounds like you have Dynamic Response fitted. Same basic guide, but the DR pump needs to be unbolted to allow access to the bottom alternator bolts, the idler pulley needs to be unbolted, and it is a lot more fiddly than a normal TDV6 Thumbs Up
 My D3 Build Thread

TDV8 Retrofit Build Thread 
 
Post #11543348th Sep 2013 9:28 am
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uncle_nobby
 


Member Since: 10 Dec 2011
Location: Norfolk Broads
Posts: 36

United Kingdom 2006 Discovery 3 TDV6 SE Manual Zambezi SilverDiscovery 3

Spot-on. Thanks very much for the idiot's guide; it worked even for me. I bought the alternator, belt, 36mm spanner and fan locking tool from Advanced Factors. Very quick delivery and really helpful.

Many thanks to both.
  
Post #116351926th Sep 2013 6:09 pm
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tony bennett
 


Member Since: 28 Jul 2005
Location: South West
Posts: 565

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

I am grateful for this threads existence.
I did my alternator today, easy peasy...nearly.
Fan came straight out with the tools supplied by boringoldgit in the alternator kit.
Didn't need any special bar, just a short sharp tap with a lump hammer to shock the seal and it came right off.
Can't see how anyone gets a socket set tool down the side mounting bolts, had to do mine with a normal spanner.
refit was the same, had to hand tighten the bolts then get a spanner in to tighten, I cant see how anyone actually gets a torque wrench on the side bolts and as I dont have one I tightened as far as I thought was safe.
One thing I did not do is use a screwdriver to release the tension on the belts or to fit the new belt, the tension bracket has a square hole on it's front face that takes a small headed socket ratchet . I imagined that this was there for that purpose and I did it that way.
Thanks to Martin for directing me to this thread this morning.
 regards
tony
05 "Battlestar Galactica"
In 7 years ownership
09/13 New Battery (I did that)
11/13 new alternator. (I did that)
2 x EGR Blanked. (I did that ) 
 
Post #118034531st Oct 2013 5:39 pm
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methley
a.k.a. Big Hairy Ski Monster 


Member Since: 07 Oct 2008
Location: Marshfield, South Glos
Posts: 2433

England 2006 Discovery 3 TDV6 SE Manual Java BlackDiscovery 3

Glad you found it useful. Note these are ratchet spanners Thumbs Up

Click image to enlarge
 Andy

Fridge Slide for sale https://www.disco3.co.uk/forum/post2064622.html#2064622 
 
Post #118034631st Oct 2013 5:45 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 18025

United Kingdom 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Or the slinky Halfords ones:

Click image to enlarge
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #118034731st Oct 2013 5:47 pm
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tony bennett
 


Member Since: 28 Jul 2005
Location: South West
Posts: 565

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Thank you both, these must be new fangled inventions as I did not know such things existed.
I shall have to get some as, having saved a not inconsiderable sum replacing my alternator, I can see myself doing more of my own servicing. In the summer months if possible Very Happy Thumbs Up
 regards
tony
05 "Battlestar Galactica"
In 7 years ownership
09/13 New Battery (I did that)
11/13 new alternator. (I did that)
2 x EGR Blanked. (I did that ) 
 
Post #118035531st Oct 2013 5:59 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

If I may, I recommend the flex-head ratcheting spanners from Halfords, rather than the fixed head version.

Pretty much my favourite spanners in my box:

Click image to enlarge


Thumbs Up
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Post #118048431st Oct 2013 9:48 pm
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tony bennett
 


Member Since: 28 Jul 2005
Location: South West
Posts: 565

United Kingdom 2005 Discovery 3 TDV6 SE Auto Zambezi SilverDiscovery 3

Looks like a set up for a pro rather than a cack handed one spanner fits all type of geezer like me Very Happy
 regards
tony
05 "Battlestar Galactica"
In 7 years ownership
09/13 New Battery (I did that)
11/13 new alternator. (I did that)
2 x EGR Blanked. (I did that ) 
 
Post #118050331st Oct 2013 10:04 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

I'm no pro, just a regular chap who likes to do and likes to learn.

If I could get the learn bit ahead of the do bit I would be brilliant.

Cool
 Land Rover - Turning Drivers into Mechanics Since 1948

Battery & Quiescent Current Drain Testing

Diagnostics for:
Defender, FL2, D3, D4, Evoque, RRS & FFRR
A not-for-profit enterprise


 
 
Post #118050431st Oct 2013 10:07 pm
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fishinmad
 


Member Since: 30 Jan 2012
Location: Sotogrande
Posts: 874

Spain 2006 Discovery 3 TDV6 S Auto Bonatti GreyDiscovery 3

Replaced my alternator and aux drive belt today using the 'how to' from Methley, following the instuctions made the job very straight forward and certainly is DIY job.

To access the two lower alternator bolts you need a swivel head 13 mm ratchet spanner, as no access for a socket. I also found tightening the nut under the red cap a bit fiddley, and my electrical connector was difficult to get off.

The fan was a doddle to get off using fan removal tools, although, from the marks on the spindle, i think the mechnic who replaced my cam belts last year had some fun taking it off and luckily did over tighten it when putting back together.

Big thank you to Methley for this post Thumbs Up Thumbs Up
 Club Narpy Torch

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He has been proved right, now there is only bust! 
 
Post #118871616th Nov 2013 8:39 pm
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Woolmeister
 


Member Since: 26 Mar 2007
Location: Chandler's Ford
Posts: 3393

England 

Did mine, too, today! Must be the season!

The two lower bolts came out just fine with a regular ratchet spanner but I'm sure the swivel head ratchet spanners make it a little easier.

I'm not sure the fan needs to be done-up especially tight since it has a left hand thread.

Thanks for the "How To" guide, Andy. Thumbs Up


Steve
 2019 Škoda Kodiaq 2.0 Tdi 190 DSG Sportline in Quartz Grey with Panoramic Roof, Virtual Cockpit, Adaptive Cruise Control, LED Lights, Canton Sound, Heated Steering Wheel, Side Steps, Etc...

GONE 2017 Discovery Sport HSE Auto in Carpathian Grey and Ebony Leather. Modern JLR Junk.

Gone AND missed:
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Post #118876116th Nov 2013 9:37 pm
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