This is serious if you cannot detect where the water is leaking from. if its not from around the engine area i.e. hoses, radiater, then it could be from the rear water jackets/plugs , or your head gaskets is burnt.
for the fan still running after stopping, its normal. programmed to cool the engine even after stopping. if the engine is hot/very hot.
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I had a young lady friend years ago tell me the overheat light was faulty but when I asked her to open the bonnet the broken fan belt was sitting on the engine bottom pan.
Suggest checking engine to see if fan belt is ok and that nothing is jammed under the fan belt like a dead rat as my mechanics found a rat jammed under the fan belt on the pulley in my car as this actually happen to me and caused the same fault (Or a cat)
Most electric cooling fans are noisy. They move large volumes of air to cool the engine. You will hear this noise most predominately when the fan spools up when you are stopped at a traffic light. As long as it is working and cooling the engine I wouldn't worry about it.
hi it sounds like the engines electric cooling fan has automatically come on as the engine has got hot enough for it to be cooled down
you may have never noticed it before .
check your coolant level and your oil level to be on the safe side and keep an eye on the temperature gauge the fan should come on when the gauge goes past normal running teperature if its coming on a lot there may be a problem but its probably working as normal
are you talking about the fan blower inside the car or the fans under the bonnet..?
the fans under the bonnet may stay on for a while after the engine is switched off to prevent heatsoak. This is when the engine actually heats up more after switch off due to latent heat within the engine. The fans will remain on until the coolant temperature has fallen and stabilised, then the fans will stop. If the blower fan inside the car keeps running, this may be a feature on the car to assist with heat soak but I would think this is more like a faulty power relay or fan controller if the car has climate control..In this case, my advice would be to consult a qualified autoelectrician.
Hi, XMs were notorious for electrical problems. From what you describe I'm assuming that the engine is not actually overheating. There is an earthing point near the drivers side suspension strut (under the bonnet) which caused many problems. There are a lot of wires connected to this point and what I used to do was remove the original fitting and connect all the wiring directly to the body using eyelet terminals and the original mounting bolt, making sure you have a good contact with the body by cleaning any corrosion or paint around the contact area. I did, on another occasion, have a problem with the under-bonnet fusebox causing the oil / stop / temp lights to come on without any reason and it turned out to be a short circuit due to bad assembly at manufacture. Have you had a diagnosis by a garage with Citroen equipment? It might be worth it now after all the work you've done with no result.Should only be a 1/2 hour charge. Hope you find a solution. The XM was a car ahead of it's time.
The relay for the cooling fan is located on the left side (north america drivers side) of the rad about half way down or near the top (may vary) there may be two relays or one, replace them both. As for the fuse location it should be under your dash (fuse panel) looks like a big silver fuse similar to a zippo lighter, it will be marked in fine print "engine fan".
this sounds like the bearing in the thermostatic cooling fan has worn possibly lift bonnet with car started keep hands out and look for a fan on the front of the radiator the are usually black plastic and are easily replaced and become noisy when worn hope this is helpful glenn....