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Numpty
Member Since: 18 Aug 2012
Location: Bolton
Posts: 673
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Put car in garage last night no problems. Just got in now, started fine but battery light on. Quick drive round the block and it doesn't go out. Put car in garage lift bonnet and there is a faint smell of burning.
I'm assuming alternator as gone as the car had a new battery 12 months ago.
Should I disconnect the battery whilst I sort a new alternator out?
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 28th Nov 2013 7:42 am |
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Advanced Factors
Site Sponsor
Member Since: 27 Nov 2012
Location: Southampton
Posts: 2648
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Yes - Alternator - Classic symptoms, disconnect the battery just in case.
We have plenty of stock of the new Denso unit if you want one. Paul Redding
+44 (0)23 8052 2774
Order Parts Online at www.advancedfactors.co.uk
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| 28th Nov 2013 7:45 am |
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Numpty
Member Since: 18 Aug 2012
Location: Bolton
Posts: 673
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Battery disconnected but volts down to 12 after disconnection measured with crappy chinese voltmeter so probably not a reliable reading.
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| 28th Nov 2013 7:57 am |
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Disco_Mikey
Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20731
  
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Have the battery fully charged, before fitting the new alternator.
It has been known for some of them to fail, due to a huge voltage spike with a drained battery  My D3 Build Thread
TDV8 Retrofit Build Thread
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| 28th Nov 2013 8:04 am |
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Numpty
Member Since: 18 Aug 2012
Location: Bolton
Posts: 673
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Cheers guys
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| 28th Nov 2013 8:19 am |
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Numpty
Member Since: 18 Aug 2012
Location: Bolton
Posts: 673
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Have also been getting intermittent suspension warning, fixed height etc. and garage read fault code C1A20-64 i.e. low pressure filling air tank last Saturday. Given compressor must be big current draw I wonder if alternator has been on its way out for a while and hence not enough power to allow compressor to do its job properly ....long shot I know. I was in for a compressor in the Dec pay day anyway ...........
No other signs of limited power e.g. poor starting etc. so probably just coincidence. Car is 55 plate with 102,000 miles.
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| 28th Nov 2013 8:37 am |
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Somerset Jem
Member Since: 07 Jul 2011
Location: Somerset
Posts: 435
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I got all sorts of suspension and drive faults when mine went. Put your battery on charge (disconnected) whilst you fit the new alternator and all should be fine. Good luck with getting the fan off!
Jem 2005 D3 HSE side steps, tints, tlo fridge, egr's blanked.
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| 28th Nov 2013 9:21 am |
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Woolmeister
Member Since: 26 Mar 2007
Location: Chandler's Ford
Posts: 3457
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Same happened to me a couple of weeks ago, Numpty. I'd been experiencing some oddness from the stereo (like not waking-up properly and only switching itself on a couple of minutes after the engine had started) and the odd spurious message.
I bought a BOG alternator kit and replaced it myself in about an hour:
http://www.advancedfactors.co.uk/00d3a-den...3722-p.asp
The viscous fan tools are worth having and it's not a lot of effort to replace the ancillary belt whilst you've got it apart (for what little they cost).
Replacement instructions here:
http://www.disco3.co.uk/forum/topic82516.html
The biggest problem you're likely to face is getting the fan off. The rest is simples.
New alternator is now chucking out a very healthy 15.2v.
Steve 2021 BMW iX3 Premier Edition in Carbon Black ⚡️🔌
2019 Škoda Kodiaq 2.0 Tdi 190 DSG Sportline in Quartz Grey. Excellent vehicle. Gone.
2017 Discovery Sport HSE Auto in Carpathian Grey and Ebony Leather. Modern JLR Junk. Gone.
2007 Discovery 3 TDV6 S Manual in Zermatt Silver with Ebony Cloth (143k) Gone, but now patrolling the Asia section of the West Midlands Safari Park!
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| 28th Nov 2013 9:42 am |
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fishinmad
Member Since: 30 Jan 2012
Location: St Ives
Posts: 877
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Numpty wrote:Put car in garage last night no problems. Just got in now, started fine but battery light on. Quick drive round the block and it doesn't go out. Put car in garage lift bonnet and there is a faint smell of burning.
I'm assuming alternator as gone as the car had a new battery 12 months ago.
Should I disconnect the battery whilst I sort a new alternator out?
I had the and replaced the alternator and aux belt (simple DIY job as per the 'How To' on here) however burning smell is still there, any ideas what to replace next? Large Intercooler pipe perhaps (original on since new)? Club Narpy Torch
“No return to boom and bust†Gordon Brown when chancellor
He has been proved right, now there is only bust!
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| 28th Nov 2013 1:37 pm |
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