How old is the battery ? if you got 14v whilst running then its charging, but battery is not likely holding the charge. Bad cell maybe.
Cheers Ean
 Fossicker
					
					
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						Not sure why but this morning the car was slow to turn over and then just wouldn't go. I jump started it and drove about 12k to work. After work, same thing again. Rolled it back a few metres so my mate could get his car close to jump mine but before he could get the leads out I had it started again. Drove home and tried it straight after turning it off and it wouldn't go. Checked voltage and it was 11.4V.
Jumped it and checked the charging voltage which was over 14V at idle. I have to go out again soon for about a 30 min drive so will have to jump it again and hopefully the longer drive will charge it? If not I guess I'll have to pull the battery out and charge it.
Any thoughts on why the battery went dead in the first place? I can't think of anything I did differently in my day to day routine. Will driving it for 30 mins help?
Cheers.
How old is the battery ? if you got 14v whilst running then its charging, but battery is not likely holding the charge. Bad cell maybe.
Cheers Ean
Possibly battery in the way out, but check and clean terminals as well.
 Fossicker
					
					
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						It has 2013 on it so shouldn't be to old? The terminals look clean and its had 3 mechanics look at it in the last month (roadworthy, pre-inspection, brake controller wired in).
 Wizard
					
					
						Subscriber
					
					
						Wizard
					
					
						SubscriberDo a search. This is one of the more common issues with a D3 /D4. Once the battery starts to go down, it will be hard to start. If you are only doing short runs to and from work, the charge level will gradually fall.
If the battery is the slightest bit suspect, it will go down fast. Numerous posts on this site from owners having issues, and the battery tests up ok. However once the battery is replaced, all is back to normal.
D4 2.7litre
Driving the vehicle for short periods will not charge the battery-1hr or less does nothing.
Cheers
x 2
Continual short drives actually cause the battery to discharge, not charge.
If you have a battery charger, try charging it over night, every night for a week and you may bring the battery condition up to where it may be OK and last for a while.
With your short driving habits, I would recommend you charge your battery with a battery charger, at lest once a month.
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						I'm in the same boat. Very shorts trips. I put mine on a ctek charger once a month. When you say charge it once a month is a simple overnight charge once a month ok on an ongoing basis or should it be a week's worth and if so does it have to be 7 days straight or can it be say 7 days over a 10 day period.
Martin
Hi Brightsbane and you do not need to disconnect anything while charging.
Simply connect the battery charger's positive ( + ) lead to the cranking battery's positive ( + ) terminal.
But then you connect the battery charger's negative ( - ) lead to an earth point away from the battery.
You MUST NOT connect the battery charger's negative ( - ) lead to the cranking battery's ( - ) terminal.
If you have a look just in front of the cranking battery compartment, you will see two studs mounted in the inner guard. Use one of these to connect your battery charger's negative ( - ) lead to.

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