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Goosed Alternator
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AACSC
 


Member Since: 22 Mar 2014
Location: West Midlands
Posts: 67

England 2005 Discovery 3 TDV6 HSE Auto Indus SilverDiscovery 3
Goosed Alternator

I was a half mile from home when the battery warning light came on.

I returned home, parked the car, and noticed smoke emanating from the front offside area of the engine bay and quickly disconnected the battery. I assume the alternator is goosed.

When ordering a new alternator I was advised that it is likely that it has taken out the battery as well.

I put a meter on the disconnected battery and obtained a reading of 12.67v which seems reasonable to me.

Could someone advise me how to properly check the EXIDE battery, which is 2 years old and has not given any signs of distress.

When driving the car, before I got a half mile from home, I noticed that the suspension had dropped to access height and it was taking longer than normal to achieve Normal ride height. Is there a connection with the failure of the alternator.

AACSC
 Graduate of the FDC ( Fred Dibnah College)  
Post #214960227th May 2020 12:49 pm
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Oswiperus
D3 Decade 


Member Since: 02 Apr 2010
Location: Chelmsford, Essex
Posts: 1590

United Kingdom 2005 Discovery 3 TDV6 SE Auto Java BlackDiscovery 3

You more than likely saved the battery with your quick actions. Advisable to order a OEM Denso alternator as some have had trouble with cheaper alternatives.

When you fit new alternator, the warning light doesn't always extinguish straight away on first start up so don't panic.

As for the suspension fault, it is probably related but you'll soon find out.
 Stu

2016 D4 Landmark current
2022 Defender D300 SE Gone Sad
D4 2014 XS Commercial - Gone Sad
D4 2016 hse lux montalcino red - Gone
D3 2005 se java black - current
D3 2005 base manual - gone Sad
D2 1999 TD5 E white - current 
 
Post #214962927th May 2020 2:38 pm
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Ian 2206
 


Member Since: 30 Oct 2006
Location: Hertfordshire
Posts: 114

United Kingdom 2007 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

Currently running on alternator no.3. The factory new unit failed after 4 years and LR supplied a replacement overhauled unit FOC as a goodwill gesture; so it lasted 9 years and approx 85,000 miles. I've now got a new Denso alternator and hope to never see a requirement to replace it again.....Ive never owned a car that has used 3 alternators in 14 years...
 D3 HSE, Stornoway grey, 2007 MY, side steps, privacy glass, door protection strips.  
Post #215442016th Jun 2020 4:05 pm
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JMack
 


Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1517

Scotland 2006 Discovery 3 TDV6 Commercial Manual Java BlackDiscovery 3

You've probably never owned a car with the power requirements of a D3 either.

I've fitted one alternator in over 150,000 miles. And that was in the first 50,000 of that, and that alternator looked original.
  
Post #215446316th Jun 2020 7:19 pm
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