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Guest Visa10E
Posted
Hi there after suffering a series of electrical gremlins (Ghost tyre pressure warnings, fill up washer fluid warnings when its full, climate control with a mind of its own, stereo on the blink now and again) with my 02 C5 2.2 HDi Ive decided after trawling this forum to disconnect the battery, Ive had a quick look at the fittings and being an utter cack hand at anything remotely mechanical have no idea how to remove them, without breaking something at least - any tips?
Posted
Hi there after suffering a series of electrical gremlins (Ghost tyre pressure warnings, fill up washer fluid warnings when its full, climate control with a mind of its own, stereo on the blink now and again) with my 02 C5 2.2 HDi Ive decided after trawling this forum to disconnect the battery, Ive had a quick look at the fittings and being an utter cack hand at anything remotely mechanical have no idea how to remove them, without breaking something at least - any tips?

Are they the original type if so when you look at the terminals youl see that they have a lever on them normally its got a plastic sleeve on it (green for pos and black for neg) just pull it up and the clamp comes away from the battery. Just make sure you read the posts on here on how to do a proper reset

Guest Visa10E
Posted
Ive looked around for that what does it involve? I thought it was just resetting the clock etc
Guest Visa10E
Posted
Just done it, and its achieved nothing other than an engine immobiliser fault, which thankfully went away when I closed the bonnet. Words cannot describe how much I want rid of this car!
Posted
Hi there after suffering a series of electrical gremlins (Ghost tyre pressure warnings, fill up washer fluid warnings when its full, climate control with a mind of its own, stereo on the blink now and again) with my 02 C5 2.2 HDi

 

What sort of condition is the battery in? Disconnecting and reconnecting it if the voltage is low won't long term cure anything, it might just clear it in the short term.

 

I'd get one of these and monitor the situation:

 

http://ecx.images-amazon.com/images/I/31rs8KfsF7L._SL500_AA280_.jpg

 

You may find the voltage is sometimes low, or that the pump pulls it down.....

 

You may also find, as I found with my BX, that the battery was OK but the leads from the battery to the car needed changing, and having done so charging and starting got so much better.

Posted
What sort of condition is the battery in? Disconnecting and reconnecting it if the voltage is low won't long term cure anything, it might just clear it in the short term.

 

I'd get one of these and monitor the situation:

 

http://ecx.images-amazon.com/images/I/31rs8KfsF7L._SL500_AA280_.jpg

 

You may find the voltage is sometimes low, or that the pump pulls it down.....

the imobiliser isnt a fault every c5 does that. Dont be dishertened by a couple of faults as the c5 is really a good car. list your faults on here and theyl get sorted out for you

Guest Visa10E
Posted
I just want rid of the thing now if I can get 2 grand for it I'll be happy, Ive had more problems with this car in 10 months of ownership than the rest of my cars put together over 10 years! Enough is enough!
Posted
I just want rid of the thing now if I can get 2 grand for it I'll be happy, Ive had more problems with this car in 10 months of ownership than the rest of my cars put together over 10 years! Enough is enough!

si it a 2 litre hdi

Guest Visa10E
Posted
No its a 2.2 I know you're after 2.0 litre ones. If I cant sell it (I tried and failed to do so just before Christmas) then my only other options are to try and shove it through auction or simply run it into the ground until it breaks and throw it away, and by that I mean sack off the cambelt change as thats just £500 thrown down the drain on this car
Posted
Hey Randombloke - where did you get that voltmeter from? The only place I've seen them is in America and they want silly money for carriage.
  • 2 weeks later...
Posted
problem with the newer cars is they have a MEMS system or CAM keep alive memory ( the K is debatable ) it should be "C" to clear all the memory you have to disconnect the earth wire to the battery then switch all ancillary devices on to deplete any stored memory ( do not disconnect the live lead from the battery ) insert the ignition key then switch on but don't crank the engine now connect the negative to the battery and take it for a drive to set the ECU up ( called a drive cycle ), disconnecting the live from the battery first will turn the air bag light on
  • 3 weeks later...
Posted
problem with the newer cars is they have a MEMS system or CAM keep alive memory ( the K is debatable ) it should be "C" to clear all the memory you have to disconnect the earth wire to the battery then switch all ancillary devices on to deplete any stored memory ( do not disconnect the live lead from the battery ) insert the ignition key then switch on but don't crank the engine now connect the negative to the battery and take it for a drive to set the ECU up ( called a drive cycle ), disconnecting the live from the battery first will turn the air bag light on

Can someone explain to me how it can make a difference which battery lead you disconnect ?

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