2001 Citroen C5 Battery
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  1. #1
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    Default 2001 Citroen C5 Battery

    A friend of mine has a 2001 HDI Diesel Citroen C5 which the battery keeps going flat. The battery was replaced around 3 month ago, it lasted 3 weeks before going flat since then has been going flat regularly it has been taken back to the place where the battery was purchased they said there is nothing wrong with the battery. It was then taken to the Auto Electrician and spent 3 days down there they also found nothing wrong with the battery and found no power leakage after coming home from the Auto Electrician they drove the car for week with no problem then they went start it in the morning after week battery was flat again has anybody got any idea what is causing this Thanks in advance.

    Here is an update on this battery issue the went into the dealer and was put on the scan came up with battery fault battery needs to be replaced the company where the battery was b ought from 3 months ago are still saying nothing wrong with the battery wont replace it even though it has 3 year warranty then they said there is problem with car it draining the battery and no one has been able tgo find anything wrong except for battery in the scan the dealer has done

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    Last edited by finny12; 4th June 2013 at 09:43 PM.

  2. #2
    Administrator GreenBlood's Avatar
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    Quote Originally Posted by finny12 View Post
    A friend of mine has a 2001 HDI Diesel Citroen C5 which the battery keeps going flat. The battery was replaced around 3 month ago, it lasted 3 weeks before going flat since then has been going flat regularly it has been taken back to the place where the battery was purchased they said there is nothing wrong with the battery. It was then taken to the Auto Electrician and spent 3 days down there they also found nothing wrong with the battery and found no power leakage after coming home from the Auto Electrician they drove the car for week with no problem then they went start it in the morning after week battery was flat again has anybody got any idea what is causing this Thanks in advance
    Hi Finny,
    Your best bet should have been your auto electrician, they should have checked the charging circuit and eliminated the alternator?

    I'd be looking for a poor connection at the battery, not uncommon with the early C5. This may have foiled the sparky as it can be intermittent i.e. whilst the car is being driven contact may be lost for long enough for the battery to discharge - worth checking given your symptoms

    Cheers
    Chris
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    Alternator perhaps? The battery will probably have a shorter life now that it's been heavily discharged repeatedly.
    Does it have any recently fitted extras that keep drawing a small current?
    Does it go to 'economy mode' as expected, say, 5-20 minutes (varies) after you switch off the ignition? See how long the radio will stay on after the ignition is switched off. If it's not shutting down, there may be some fault keeping it awake and consuming power.

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    Thanks David I have checked that today no it doesnot go into economy mode I only thought of that one today Auto Electrician checked charging rate was good and alternator is good so it something else but been not going into economy mode there is an issue there there last battery last them 8 years thaty did really well

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    There is a way of checking standing discharge that flattens batteries thru some fault. By using a multimeter there is lots of info on you tube to check for discharge when you're not driving.
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  6. #6
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    Default Flat battery

    Hi
    I had that problem a while back with my C5. I bought a meter with an attachment that plugged into the fuses. I found it was a relay in the towbar wiring. Only discharging about 20 ma or so as I remember.

    The towbar had been on for some years with no problems, as the car was used regularly but when the car was only being used intermitently the battery started to play up.

    Cheers Jaahn
    Last edited by jaahn; 31st May 2013 at 04:05 PM.

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    Nothing like the real old days when cars had an amp meter (aircarft still do). Any "leakage" clearly obvious without having to wait for the flat battery.

    My previous similar problems over the years was that at night; with everything off; disconnect the battery and confirm beyond doubt that here was "someting on" that should not be on when everything was off - sparks don't lie.

    Process of elimination by removing various fuses to pin point in what area the leak is.

    To get 8 years out of the original battery confirms that something has gone drastically wrong beyong the ordinary.

    JAJEA

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    I had a similar problem years ago on a Reno 12, it was the boot light switch, stayed on after the boot was closed but could not be seen of course. Check all the hidden lights & make sure they really do turn off except when the door, lid etc is open. Sounds silly but it really does happen.

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    Well it has all worked out now finally the battery company have replaced battery they tested the battery this morning it was fully charged but had not power different person checked this time so all going well it may have been fixed we took all the globes out of doors boot anywhere we could find them so now see what happens but at least somebody did the right thing by checking the battery a different way

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