CITROEN C5 questions and answers: Page 4

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Below are the latest CITROEN C5 questions submitted by visitors to RoadTestReports.co.uk. To supply an answer, simply click on the "Answer this question" link underneath each question. Alternatively, if you want to ask a question, please use this simple form. Please try to make the question as detailed as possible, with all the information necessary for a comprehensive answer included. Please do not use "text speech" or type everything in CAPS LOCK.

James P Booth, Kent

Citroen C5

Hi. I have an annoying squeek behind my glovebox that only starts when to vehicle is moving.I have emptied everything out of the glovebox and removed the fuse panel cover so nothing in there could move but to no avail I have also switched the interior fans off and it continues.It sounds like plastic bottles in plastic wrap rubbing together.I have also cancelled out the glovebox lid.I can only come to the conclusion that something is loose behind there as this only happens when the vehicle is moving.How do I get behind that part of the dashboard?I was wondering if anyone had had this problem. Any advice will help as this noise is an hindrance to listening to good music

Answers

You can remove the cardboard/carpet over passengers feet it's only held on by self tappers and comes away easily. but don't move it any more than you have to. You have to be a contortionist to do this and will need a torch. It may be the front bumper/ nosecone on that side. That is held onto the wing by a twist fastener, undo that by a quarter turn,lift the plastic bumper bit till it butts up against the wing proper, retighten twist fastener. I have the opposite, when I switch the engine off there is a squeek from the rear of the engine ! Steve from Yorkshire

You can remove the cardboard/carpet over passengers feet it's only held on by self tappers and comes away easily. but don't move it any more than you have to. You have to be a contortionist to do this and will need a torch. It may be the front bumper/ nosecone on that side. That is held onto the wing by a twist fastener, undo that by a quarter turn,lift the plastic bumper bit till it butts up against the wing proper, retighten twist fastener. I have the opposite, when I switch the engine off there is a squeek from the rear of the engine ! Steve from Yorkshire

Submitted: 03/06/2014 15:34:30 | ID: 96810

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Ernestas, Lithuania

Citroen C5

Citroen C5 2006 LCD screen stuck on loading, radio plays, but screen doesn't loads on ? Diagnostics didn't show anything.

Submitted: 25/05/2014 17:17:18 | ID: 96136

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abdelaziz, Surrey

Citroen C5

my steering wheel has a noise like "click click" once turned right or left, it is bit loose can somebody know what's the problem

Answers

It might be that the bolt holding the steering wheel came loose. I had the same problem with my C5. You will need a special socket key to tie that back. Florin from Essex

Submitted: 21/05/2014 13:31:20 | ID: 95850

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abdelaziz, Surrey

Citroen C5

My citroen C5 radio makes a consistent noise, does anybody have a suggestion what could be the reason. do I need to replace the radio or it can be fixed. A radio cost only £35 in argos.

Submitted: 21/05/2014 13:19:44 | ID: 95849

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Ged, New Zealand

Citroen C5

Hi, to Citroen C5 enthusiasts, my 2001 C5, the radio does not work, the heater does not work. And the Sequential Auto Gear Changing does not work. This is the car I fixed the air in the suspension and explained the bleeding of it on this question and answer forum! So Thank you to every one, it is very interesting and good that we get so much assistance. Hoping someone knows my radio - heating and gear problem. Thank you from New Zealand.

Submitted: 15/05/2014 10:19:00 | ID: 95542

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Hadyn Twinberrow, Neath Port Talbot

Citroen C5

Hi, the trip computer on my Citroen C5 is stuck on the second menu tells me how many miles I have fuel for, and 2 others, I.e. how many miles I've done since putting fuel in and one other situation, also the temperature and date isn't shown. Does anyone know how I can return it to the home menu please?

Answers

Have you tried pressing the button on the right hand side of the of the wheel? It`s on the wiper shaft paul from Nottinghamshire

Submitted: 28/04/2014 09:56:30 | ID: 94836

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JohnH69, Worcestershire

Citroen C5

Hello, I have a C5 Exclusive 2010 and have had a towbar fitted. The problem is the rear parking sensors are working fine but the front sensors are now not woring at all! Can you tell me where the ECU is located and does it control both front and rear? I wonder if the towbar electrics has dislodged a connection to the ECE? Regards

Submitted: 27/04/2014 16:34:52 | ID: 94810

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Hadyn Twinberrow, Neath Port Talbot

Citroen C5

The automatic lighting and locking has stopped working on Citroen C5 how do I reactivate them please

Answers

Have you tried locking it with the key, it may be the immobilizer? paul from Nottinghamshire

Submitted: 23/04/2014 08:44:36 | ID: 94584

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Tracy, Greater London

Citroen C5

Hi, the suspension of my C5 estate has stuck in the lowest setting, making the car unsafe to drive. There is no sound coming from the suspension pump and there are no warning lights at all. I checked the suspension fluid container (didn't know where it was until I found info on Internet) and it was empty (oops). Refilled with LDS but it made no difference. Button & dashboard level lights are working as normal, just no movement. Any help would be appreciated please!

Answers

Hi, could now just be air in the system. Get a long screw driver or piece of pipe or wood. Place it on the suspension pump under the bonnet on the right hand side under the fluid reservoir. Place end on motor away from moving parts like the belts etc. and the place on the bone behind your ear, this way you can tell and hear if the motor is going or not. Do this when the engine is stopped then do it when then engine is going so you can tell the difference. But sometime the pump does not go if their is enough pressure in the system, so you may have to do it's few times to tell. So if air in system which it could be, as it ran out of fluid. But you need to see where it is loosing the fluid. Not difficult as fluid leaves an oily mark in parts and normally if loosing this much it will be dripping on the ground. Park where the road is clean and look under it in the morning it should leave fluid below the leak. My other answer for air in C5 should explain to you how I bleed C5, suspensions, and us how the Haynes Book explains it also. You must fix leak or it will happen again, unless it is a slow leak, but will get worse, so will need to. Be done in the end.hope this fixes, from New Zealand. Ged from New Zealand

This may be the answer.. http://www.frenchcarforum.co.uk/forum/viewtopic.php?f=3&t=45727 Steve from Yorkshire

Submitted: 20/04/2014 19:13:31 | ID: 94476

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nigel, Tyne and Wear

Citroen C5

hi ive just bought a leather interior to replace my old cloth one , will I have to fit electrics in car or are they already fitted as standard

Submitted: 19/04/2014 22:33:28 | ID: 94450

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Tamara, Australia

Citroen C5

Please help. My 2007 Citroen C5 SX 2.0 Estate has a malfunctioning window. There was a flat battery from using the radio with the car off. After the jump and restart, the driver's side window when holding the button down, goes down by stoping and starting at stages instead of a fluid movement. Any ideas will be greatly appreciated. Thank you in advance.

Answers

Fixed. Activating the Anti-pinch function as stated in the user manual worked. Rolling the window all the way down. Leaving a few seconds bringing it partly up for a few seconds and down again. Solved. Tamara from Australia

Submitted: 17/04/2014 01:31:07 | ID: 94339

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Mudsle mudale, Angus

Citroen C5

No fan is blowing but the eco light is on, i can play with the fan indicators and they light up black. The ac is turned on on demand (rpm rises) but no air is coming out at all. Where seems to be the problem?

Answers

I have the exact same problem. Any feedback welcome. West hammer from Essex

I have the exact same problem. Any feedback welcome. West hammer from Essex

Submitted: 12/04/2014 08:56:19 | ID: 94120

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Donald Fisher, Worcestershire

Citroen C5 2009

I have a Citroen C5 and the oil change light came on whilst l was working in Manchester. As there was a Halfords next door I asked if they could do it and they said I would need a filter as well and quoted a fair price. I collected my car later that day and all was okay except they couldn’t get their computer to switch off the change oil light. Can anyone help? How do I get it switched off? It has only done 18,000 miles.

Submitted: 04/04/2014 10:01:14 | ID: 93839

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Isobelle Kettle, England

Citroen C5 2003

My Citroen C5`s cruise control is neither showing on the dash or working. What`s the problem?

Submitted: 14/03/2014 14:19:38 | ID: 62739

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Brian Thompson, County Antrim

Citroen C5 2008

My indicator on my Citroen C5`s passenger side stopped working so I replaced the bulb. I have noticed that the brake light on the same side is also not working. I have looked in the handbook to see if maybe the fuse has gone but can`t find any fuses to match up. Can anyone help?

Answers

I have only just bought 3 Citroen an Xantia and 2 x C5 so not sure if wiring systems yet. But many cars the wiring earths though the body, so check if it is earthing. You can earth it yourself by using an small wire from light body, but must be where the metal is and earth it to the car body. Just a thought. Next time I have time I will check it out so I know the wiring system, but hope it may help. Many cars in the past this was the trouble. Mechanic for 46 years. Ged from New Zealand

Submitted: 14/03/2014 12:42:22 | ID: 62788

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John, Hampshire

Citroen C5 2000

I have a Citroen C5 2006 auto and am losing drive on the motorway, all gear lights come on. Any suggestions please?

Answers

Update / Correction ... and apology ! My current car - a C5 - with the Motorway-jumping-out-of-gear problem is a SIX speed Diesel Auto, not 5-speed ... and the gearbox type is an AM6 B, according to the supplying dealership. JM Anonymous from

Not an answer but an observation and hoping to get help from any answers you get. My 55 reg C5 (2-litre Diesel 5-speed Auto) occasionally jumps out of gear, especially on motorways, dual carriageways and up-hills, and IF I ever kick-down to overtake, which I never do these days to avoid the problem. I get no warning lights, just a sudden jump out of gear into neutral and the engine revving until I lift off and wait a second, then it goes back into gear and drives as normal. It first did it at around 65,000 miles and now it is on 88,000 miles. I understand the AL4 gearbox can be worked on by auto specialists but the other type (AM6/DPO?) has to go back to a Citroen base. I don’t know which I have! I have this car as a direct dealership swap for the C4 - Petrol 4-speed Auto which gave a resounding thump, like a kick in your back, whenever it was asked to slow down gently with no throttle or brakes, for example approaching the back of a traffic queue. 4th to 3rd "Thump", 3rd to 2nd "Thump", so I took it back to the dealer a day or two after purchase (it had only done c.14,000 miles) and they removed and replaced the whole Auto Transmission (they said) at a cost of £4,500 because they found some filings in the bottom of the gearbox. Collecting it after repair I found it STILL did it, but now worse than before. This time they decided it must have been a bad batch of gearboxes in stock at Coventry so they would have to get one from France. They removed the replacement and fitted ANOTHER new Auto Transmission!! (Another £4,500 they said). The fault was JUST AS BAD as ever, so I asked for a refund, repair or replacement. They refused all 3 so I had to embark on Court action and was in direct conversation and correspondence with a Director of the Motor Group concerned. Eventually, very close to the Court hearing date, and after offering me several replacements at £2,000 to £2,500 cost above what I had paid for the defective C4, they finally found and supplied THIS C5 as a direct exchange. From a Petrol C4 with 4-speed Auto to a one-year-newer Diesel 2-litre C5 with 5-speed Auto it seemed acceptable. But now I have the Auto problem described above. Before the actual swap took place I took the C4 to a friend in West Wiltshire who is one of the country’s top Auto Specialists and he immediately said it had not needed ANY replacement gearboxes !! The fault was in the electronic/computer linkage between the throttle and the gearbox which were not talking to each other. It would have cost £200 and taken a max of 2 hours to replace the little electric box of tricks! I never had the heart to tell the dealer, so maybe this is me receiving pay-back! I have since seen the poor old C4 being driven by its new owner so maybe he doesn’t mind a kick in the back as he slows down. Anyway - best wishes for getting to the bottom of your problem. John Miller from Sussex

Have a same problem on codriver side on C5 tourer (2010). Water coming out of carpet holder on front door column (filed with water totally and has no holes on bottom) Have you solved the issue? Any help would be wellcome.. Gregor from Slovenia

Submitted: 13/03/2014 11:08:25 | ID: 62736

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Bryan England, Lancashire

Citroen C5 2004

The carpet in between the driver`s seat and the pedals of my Citroen C5 is saturated. There is no damp anywhere else and there is no sign of where the water is coming from. Any ideas please? Thanks. (VTR 2l HDi)

Answers

Does it only happen when it rains ? Which then is a leak which could be drain holes blocked where the rain water runs out though holes under the plastic shroud underneath the wiper blades. Small parts of leaves and dirt can block them. Not to sure of the C5 yet, but my Xantia, this was completely blocked with leaves and the water just ran in. But to completely cure this problem on the Xantia I covered the wiper motor with an Ice Cream Plastic 2litre container cutting the sides like it having 4 legs on the corners. This covered the motor and channeled water away from going in the wrong place in heavy rain. To me many many Xantias must have leaked as my one would be no different than any other Xantia. Or put a Clean white tissue around where the water maybe coming in, so you can look to see if it is coloured or not as it could be from the heater unit. Hope this helps. But the Tissue will let you know if it is like brake fluid etc. but not sure if C5 allows leaking Brake fluid to leak in their if the Hydraulic cylinders leak. But the colour will tell you. Does it feel like hydraulic fluid. Ged from New Zealand

Have a same problem on codriver side on C5 tourer (2010). Water coming out of carpet holder on front door column (filed with water totally and has no holes on bottom) Have you solved the issue? Any help would be wellcome.. Gregor from Slovenia

Might sound daft this, but have you washed it with a HIGH pressure power washer ? I had this last year turned out to be over-enthusiastic car wash guy using hot wash and just blasting past the seals....me..dammit. There are two rubber seals under the floor at the front, one each side check if they are still there. Steve from Yorkshire

Had this problem also. Cleared all drain holes and obvious points. Checked all visible seals. AirCon not the culprit in my case either. Then a stone hit my windscreen - replaced windscreen and the windscreen technician makes a salient remark, i.e., "It's a wonder this thing doesn't leak". Sure enough, the screen had been poorly replaced sometime earlier with no proper seal and as a result water was coming down the front pillar and into the passenger side footwell. You'd never find this in a million years - lucky I broke the windscreen! Bert Rolevink from Australia

Submitted: 11/03/2014 09:30:05 | ID: 62747

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Asaad Abbas, Oman

Citroen C5 2004

The suspension pump in my Citroen C5 is not lifting the and not working at all. I bought a new pump and changed the old one but it didn’t work as well! However the service computer showed that’s fine and working. Any suggestions would be useful?

Answers

Hi, I also had this, and found that it needed bleed correctly, with air in it, it does not work correctly. The Haynes Book says to pressurise the reservoir container. I got a tubeless valve from a car tyre and cut and buffed the rubber off it until it is shiny. ( this gives you a valve stem, with the car tyre valve in it ) Remove the reservoir cap and then the rubber seal on the underside. As close as you can drill a hole through but make sure it is inside the threaded part if the container that the cap screws to so it will still seal with the rubber seal to the reservoir when the cap is put back on. It is only you who will know if you have the ability for this. If you drill the hole then push the valve though hoping it is as close to the centre part which is shaped to allow a breather hole, you. will see this, just have to be precise about it. Then cut a small round piece out of the seal or with a punch which is better as it makes a neat job. The valve has to be cut down in size a bit so it does not stick up and hit the bonnet when closed. ( the bottom of the vale can be cut down, yiu can see the vale up in the stem, so you can judge this. Then clean it all with lighter fluid or clean petrol so no oil. Then with Araldite 2 pack glue mix and glue in valve with just a little on the inside. Blow and clean all drilling plastic parts from cap as it will destroy the pump, so be clean. Have the valve just protruding above the inside cap surface, as it must seal, or it will not work, OK important. this way that sits into the rubber seal stopping the seal turning and blocking off hole for valve,when you tighten the cap down, then with enough fluid in the reservoir but suspension on the C5 must be on Low ( this is important, and is different than the Xantia etc. or when it is put up on high, oil goes everywhere as it is under pressure and over flows . So be careful. Can always put in more, best to be lower than higher. I get a small piece if wire ( thin and poke it though the slotted holes in the filler funnel, why they do this stupid funnel I do not know as you cannot see very well, as the oil is just light orange and does not show up easily. Use this as a dip stick, still difficult but with a torch or touch laying it flat on hand you can work out the fluid level, as it leaves an fluid mark on hand giving you the hight of fluid. Do not rush do it correct, so you do not have bloody oil everywhere. So only Half full is good as you can easily add more, important. Then with a small tyre compressor from Auto Shop my one is only 200mm long, so not a large compressor OK. But needs one with a gauge. The Haynes book. Say pressure pump it up to Say 5 Bar, I put 12 ft pounds into my one, no more as you do not want to blow it up. Is pressure helps to push the fluid through to bleed it. You would think you would have to open a bleed screw but no I have never had to do that. If trouble maybe you could open some of the bleeds on the suspension system, but make sure it has stands under it as you do not need it to come down on you - OK. Important and be safe. Start motor keep suspension button on low, and turn steering wheel left to right until all the noise goes away. I have done this to many Citroen C5, and just leave the valve in it. But if you got another cap you could keep the cap for another car.i must do that but have not found another cap yet. But the valve it their for the next time who ever owns it. They should have one on it anyway., but Citroen will not want us to do this work. The hight button can be used to see if it is working, BUT alway on low for the level reading. Hope this is what is wrong, but hopefully will help others. I have just done 2 of them this week. From New Zealand mechanic for 45 years. Ged from New Zealand

Hi, I also had this, and found that it needed bleed correctly, with air in it, it does not work correctly. The Haynes Book says to pressurise the reservoir container. I got a tubeless valve from a car tyre and cut and buffed the rubber off it until it is shiny. ( this gives you a valve stem, with the car tyre valve in it ) Remove the reservoir cap and then the rubber seal on the underside. As close as you can drill a hole through but make sure it is inside the threaded part if the container that the cap screws to so it will still seal with the rubber seal to the reservoir when the cap is put back on. It is only you who will know if you have the ability for this. If you drill the hole then push the valve though hoping it is as close to the centre part which is shaped to allow a breather hole, you. will see this, just have to be precise about it. Then cut a small round piece out of the seal or with a punch which is better as it makes a neat job. The valve has to be cut down in size a bit so it does not stick up and hit the bonnet when closed. ( the bottom of the vale can be cut down, yiu can see the vale up in the stem, so you can judge this. Then clean it all with lighter fluid or clean petrol so no oil. Then with Araldite 2 pack glue mix and glue in valve with just a little on the inside. Blow and clean all drilling plastic parts from cap as it will destroy the pump, so be clean. Have the valve just protruding above the inside cap surface, as it must seal, or it will not work, OK important. this way that sits into the rubber seal stopping the seal turning and blocking off hole for valve,when you tighten the cap down, then with enough fluid in the reservoir but suspension on the C5 must be on Low ( this is important, and is different than the Xantia etc. or when it is put up on high, oil goes everywhere as it is under pressure and over flows . So be careful. Can always put in more, best to be lower than higher. I get a small piece if wire ( thin and poke it though the slotted holes in the filler funnel, why they do this stupid funnel I do not know as you cannot see very well, as the oil is just light orange and does not show up easily. Use this as a dip stick, still difficult but with a torch or touch laying it flat on hand you can work out the fluid level, as it leaves an fluid mark on hand giving you the hight of fluid. Do not rush do it correct, so you do not have bloody oil everywhere. So only Half full is good as you can easily add more, important. Then with a small tyre compressor from Auto Shop my one is only 200mm long, so not a large compressor OK. But needs one with a gauge. The Haynes book. Say pressure pump it up to Say 5 Bar, I put 12 ft pounds into my one, no more as you do not want to blow it up. Is pressure helps to push the fluid through to bleed it. You would think you would have to open a bleed screw but no I have never had to do that. If trouble maybe you could open some of the bleeds on the suspension system, but make sure it has stands under it as you do not need it to come down on you - OK. Important and be safe. Start motor keep suspension button on low, and turn steering wheel left to right until all the noise goes away. I have done this to many Citroen C5, and just leave the valve in it. But if you got another cap you could keep the cap for another car.i must do that but have not found another cap yet. But the valve it their for the next time who ever owns it. They should have one on it anyway., but Citroen will not want us to do this work. The hight button can be used to see if it is working, BUT alway on low for the level reading. Hope this is what is wrong, but hopefully will help others. I have just done 2 of them this week. From New Zealand mechanic for 45 years. Ged from New Zealand

Thanks Ged you may have helped me with my C5, are you in the Waikato as I might have to put in a new pump. Shane Carter from New Zealand

Thanks Ged you may have helped me with my C5, are you in the Waikato as I might have to put in a new pump. Shane Carter from New Zealand

Submitted: 07/03/2014 09:40:34 | ID: 62645

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Bashir Inusa, Nigeria

Citroen C5 2002

I disconnected my Citroen C5s battery to change it for another, but the car refused to start. Can someone help me?

Answers

Hi. When you disconnect battery the cars immobiliser activates. All you do is lock car with key fob then unlock and that should de-activate immobiliser. Imran Khaleeq from England

Submitted: 06/03/2014 09:12:39 | ID: 62524

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Bashir Inusa, Nigeria

Citroen C5 2002

I disconnected my Citroen C5s battery to change it for another, but then the car refused to start. Can someone help me?

Answers

Hi, I had the same problem. I leave the key in the ignition, pressed the buttons on the fob, take the key out, then put it back in and it start. Hope it helps, but it worked for me. Adam Wallbank from Lancashire

Submitted: 04/03/2014 14:49:40 | ID: 62424

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Godfrey Maguma, Cambridgeshire

Citroen C5 2002

I need to replace my fuel pump which is combined with the fuel gauge for my Ctroen C5 2002 3.0L V6. I found someone stripping the same model but a 2.0L. The pumps look the same but l am not sure if the pump on 2L will work on my V6 3.0L? Anyone with an idea?

Submitted: 28/02/2014 15:13:05 | ID: 62414

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Paul Marshall, Oxfordshire

Citroen C5 2007

My Citroen C5`s multi function screen used to say Citroen when the car started and then display the functions, eg heating, radio, trip etc. Now it says Citroen all of the time. Any ideas? (1.6 diesel vtx+)

Answers

Did you ever get this problem fixed? Mine is doing the same. Jodie Gillon from Tyne and Wear

Submitted: 21/02/2014 14:12:01 | ID: 62277

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Paul Cofield, Yorkshire

Citroen C5 2009

I hope you can help me? My 2009 Citroen C5 hops and skips at the rear when going over a manhole any deeper than an inch. I had the same problem with my Rover 75 which turned out to be too much toe-in on the rear wheels. Can the toe-in be adjusted on my metal sprung C5? Many thanks. (2 ltr HDI VTR+)

Submitted: 06/02/2014 11:08:26 | ID: 61758

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Nick, Middlesex

Citroen C5 2004

My Citroen C5 keeps on automatically adjusting the front suspensions after I park it for a couple of minutes. I am worried that it will drain my batteries. Is there a way I can stop it from happening all of the time?

Answers

Hi Nick, I once had the same problem then after a few week the suspension got stuck at the lowest 10km/h height. It was so bumpy and uncomfortable you would feel like you a sitting on a tractor mudguard. A mobile mechanic told me that it was a faulty rear height sensor. I bought another one for R450 (£33). Go for suspension diagnosis and l am sure they will tel you to replace one of the sensors. Good luck! Godfrey Maguma from England

Just make sure that wheels are straight if not the car will keep adjusting trying to find a stable position and you will end up having a flat buttery abdelaziz from Surrey

Just make sure that wheels are straight if not the car will keep adjusting trying to find a stable position and you will end up having a flat buttery abdelaziz from Surrey

Submitted: 03/02/2014 12:50:31 | ID: 61637

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Michael Ollier, England

Citroen C5 2002

My trip button for the trip computer won`t work on my Citroen C5. What can I do please?

Submitted: 21/01/2014 09:21:59 | ID: 60655

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Dene Nicholls, England

Citroen C5 2008

My Citroen C5`s driver`s door keeps closing on me and won`t stay open. Any ideas? (exclusive)

Answers

Hi. If you have not solve the problem till now... It's a faulty hinge. You need to change it, no other cure. Gregor from Slovenia

Hi. If you have not solve the problem till now... It's a faulty hinge. You need to change it, no other cure. Gregor from Slovenia

Submitted: 17/01/2014 11:35:02 | ID: 92096

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Barrie Earnshaw, Yorkshire

Citroen C5 2001

On my Citroen C5 a loud rattle comes when in full lock in both directions. Any suggestions please? (2.0 HDi Hatchback)

Answers

Hi Barrie, check the level of your steering pump fluid. It could be very low or empty. Godfrey Maguma from South Africa

Submitted: 09/01/2014 10:27:42 | ID: 60447

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Ozgen Gulmen, Turkey

Citroen C5 2003

I use my Citroen C5 between short distances. After 4 days I used it yesterday for a 1 km and a half and I parked it. Today when I tried to start it my car did not start and displayed a message "immobiliser fault". It reset the CD player, date and time etc. on the display. I tried a number of times, the result was the same. Could the reason be that the battery charge level is low? (SX 2.0i)

Answers

Hello, yes it could cause this fault, a fully charged battery will have 12.8volts but if it is less that 12.2volts it needs charging. Another problem is batteries do not like being flat many times or for extended periods and sometimes this renders them useless as they don’t recharge properly. Also note it is possible to have a fully charged battery that has failed internally that will drop to less than 9.0volts when cranking, if so it needs changing. You must ensure your battery is okay before looking at other faults. Martin (Master technician 20+ years) from England

Definitely, the fault is caused by low battery. Recharge the battery or jump start. When you replace the battery, switch on your key for a minute, switch off, switch on again for another minute, switch off again and then start. Trying to immediately start the car after battery replacement or boost won’t work and the immobiliser fault will keep on displaying until the computer finishes initiatising the key recognition procedure. Godfrey Maguma from South Africa

Submitted: 23/12/2013 12:46:32 | ID: 59683

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Kathy Yardley, Cheshire

Citroen C5 2005

My Citroen C5 was used to jump start another car, immediately after doing so the stereo stopped working, It still ejects cds and lights up but it isn`t showing properly on the display panel, you can`t even navigate to the icon for the stereo, in fact it looks pixelated! I have tried disconnecting the battery for a good half hour to no avail. Please can someone help as Citroen have told me I need a new display panel (best part of £400) but the rest of the panel works fine? (exclusive)

Submitted: 20/12/2013 12:09:47 | ID: 59583

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Charles Brooks, Merthyr Tydfil

Citroen C5 2001

While driving my Citroen C5 the immobiliser cuts in shutting the engine off. If I lock and unlock the car it starts up sometimes, only driving about 100 yards before doing it again. Any ideas?

Submitted: 17/12/2013 15:39:28 | ID: 59402

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Khaldoun, Jordan

Citroen C5 2003

My Citroen C5 never starts after a cold night. What should I do?

Answers

change the starter motor and check earth conections kevin townsend from Leicestershire

Submitted: 09/12/2013 16:37:31 | ID: 58074

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Eddie Hennessy, Berkshire

Citroen C5 2009

My Citroen C5`s wipers are not working in new modenl. Any ideas?

Submitted: 09/12/2013 16:05:12 | ID: 58965

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Gordon Purvis, Northumberland

Citroen C5 2010

Hi, my Citroen C5 just had a service and I was quoted £76 for replacing both front daytime driving lights. I have just switched them off as one was gone. Has anyone replaced these as in the manual it advises to contact your dealer, but £76? Regards.

Answers

Go to Halfords, they only charge about £7 a bulb. It is difficult to get your hand in and this option is cheaper than a garage. Shaun Whetnall from Staffordshire

Further to the previous answer, yes go to Halfords, bulbs £7(ish)+ £3(ish) and they will fit the bulb. Unless you have very small hands it is not even worth doing yourself. Peter stubbs from Conwy

Submitted: 06/12/2013 14:32:00 | ID: 58905

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Ralph Deane, Lancashire

Citroen C5 2007

I have a Citroen C5 2Ltr hdi hatchback exclusive. When it is cold it starts no bother, but after it has been running for a while and the engine is up to operating temperature, if I stop the engine it will not restart until it is cold again. Why is this? (exclusive hatchback):

Submitted: 03/12/2013 14:27:29 | ID: 64174

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John Paters, East Ayrshire

Citroen C5 2005

Hi. I have a 2005 Citroen C5 estate, I have changed the suspnsion pump, but did this without changing it to it`s own ecu, or black box that sits on top of the pump. I then did use it`s own but think it has confused it. I have bought another 05, C5 saloon, both are 2.0hdi. Could I change the esu off the saloon and if so what do I change? Is the esu on top of the pump coded, if so can you vigin them and where? Thanks. (diesel)

Submitted: 25/11/2013 14:20:58 | ID: 58574

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Aksam Naous, Syria

Citroen C5 2004

My Citroen C5 has a problem that the engine temperature is high while driving slowly in town but it is normal when driving fast on the highway?

Answers

The cooling fan is not working Thamiso Tshenyego from Botswana

Submitted: 21/11/2013 12:28:15 | ID: 58202

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Cathy Lewsey, Sussex

Citroen C5 2002

This may sound like a stupid question, but what does the "ECO" button do on the heater panel of my Citroen C5? Does it turn the AC on or off? I have it off at the moment but will I get better mpg with it turned on? (HDi)

Answers

Switches off the Air Con pump, which is driven by the engine. Therefore reduces the work needed to be done by the engine and saves fuel. James Watson from England

Submitted: 21/11/2013 09:57:19 | ID: 58154

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Ron Eustace, Ireland

Citroen C5 2005

My Citroen C5 is losing power when driving. Why? (1997 petrol)

Answers

I had the same problem and Citroen service restarted the computer. It did not change after some time, I got info that the car need to be cold when they upgrade the computer. It was done, now it is like a new car ;-) Bjarni Bergmann from Iceland

Submitted: 01/11/2013 15:26:25 | ID: 57212

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Ray Robertson, Aberdeenshire

Citroen C5 2009

I was out in my Citroen C5 and I stopped for chips and when I restarted the car there was no sound from the radio, I tried factory reset as I thought this might fix it but still no sound and when I reversed there was no sound from the sensors either. Everything else seems to be working okay with it, just nothing coming out of the speakers and the same with the phone, I can`t hear the person on the other end. Any ideas? (Exclusive)

Answers

I have the same problem, did you get it sorted? Damien Dixon from Meath

Submitted: 29/10/2013 14:27:11 | ID: 56809

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Stephen Sheehan, Ireland

Citroen C5 2004

I have had my Citroen C5 since new. Lately it failed to start. The engine turns but no ignition. Diagnostics show zero problems. My mechanic thinks it is the fuel pump relay in the fuse box. This is a sealed unit and needs to be replaced completely costing 600 Euros . I`m not sure if this will fix the problem. Any clues or info would be greatly appreciated? (1.8 vtr)

Submitted: 28/10/2013 14:59:56 | ID: 56772

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