Advertise on DISCO4.COM
Forum · Gallery · Wiki · Shop · Sponsors
  Home · FAQ · New Posts · My Posts · PMs · Search · Members · Members Map · Groups · Profile · Donate · Register · Log In  
DISCO4.COM > Maintenance & Mods (D3)

Alternator question
Post Reply  Down to end
Page 1 of 1
Day101
 


Member Since: 21 Oct 2019
Location: Herefordshire
Posts: 44

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Baltic BlueDiscovery 3
Alternator question

Right I’ve just rebuilt the compressor after the dryer was damp. Now the battery reads 12v when the engine is started the alternator charges at 14-13.9v is this normal.

What I’m seeing is when the car first starts I have to Rev it a little to produce more power for the compressor otherwise comes up with fault. After a 2 -3 min it’s fine.  
Post #221383826th Feb 2021 10:46 am
View user's profile Send private message View poster's gallery Reply with quote
Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10374

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

It's not normal.
Maybe you have a non Denso alternator ?

Is the battery light remaining on sometimes ?


However if the suspension is in good order and raised, does it give you a problem ?  
Post #221386026th Feb 2021 12:26 pm
View user's profile Send private message View poster's gallery Reply with quote
Day101
 


Member Since: 21 Oct 2019
Location: Herefordshire
Posts: 44

United Kingdom 2006 Discovery 3 TDV6 Base 7 Seat Manual Baltic BlueDiscovery 3

It could be I don’t know if I’m honest. No light comes on the dash. Suspension works fine now. Put a cheap battery tester on it and it comes up bat ok fault alternator. Tested with multimeter and ticking over got 14v  
Post #221386626th Feb 2021 1:02 pm
View user's profile Send private message View poster's gallery Reply with quote
garrycol
 


Member Since: 06 Dec 2010
Location: Canberra
Posts: 1115

Australia 

A charged battery is 12.9v - an alternator charging at 14v is ok. A battery at 12v is quite low.  
Post #221399127th Feb 2021 2:33 am
View user's profile Send private message View poster's gallery Reply with quote
Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1783

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

Initially, ign off, battery voltage should be 12.4 to 12.8. Ign on and engine just started, alternator voltage should be 14.4 to 14.8. So from what your are saying you have a dodgy battery or faulty alternator.  
Post #221399327th Feb 2021 4:37 am
View user's profile Send private message View poster's gallery Reply with quote
Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

A 12v battery at 12V = 100% empty!

Starting the engine, will deepcycle it... Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink  
Post #221401127th Feb 2021 9:33 am
View user's profile Send private message View poster's gallery Post Reply
Display posts from the last:  
Post Reply Back to top
Page 1 of 1
Jump to:  
< Previous Topic | Next Topic >


Posting Rules
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum



DISCO4.COM Copyright © 2004-2024 Futuranet Ltd & Martin Lewis
DISCO3.CO.UK RSS Feed - All Forums
DISCO4.COM is independent and not affiliated to Land Rover.
Switch to Mobile Site