HONDA. FIAT. Illustrated step-by-step manuals and video tutorials on replacing CITROËN C4 Thermostat will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply. 3 days ago · Citroen Grand C4 Picasso owners have reported poor fuel economy on diesel engines, which is a common problem across both generations of the vehicle. The Grand C4 Picasso's diesel engines are known for being powerful and efficient, but some owners have experienced much lower fuel economy than expected. Level 14. » |. #1 11 Apr 2017 21:05. C4 grand picasso. The climate is not working for me. The compressor and the radiator fan do not start. The fan works if the engine cuts in above 100 degrees, i.e. it is operational. When I give + 12V to the compressor from the battery, the compressor is spinning, but none of the pipes near the climate is Hi, mine is a 57 C4GP. The fan is located above the drivers pedals, just one trim panel, four little bolts and a couple of electrical plugs and it's off. Check wires for overheating, the resistor pack is bolted to the fan! It can be taken off, it can be opened up just release 4 clips. If the fan doesn't work, the A/C will be none existent at idle, because the condenser heats up in seconds, so the high pressure in the A/C will rocket upwards, and the system will switch off, the fan should operate at least every 20 seconds when the A/C is on. The underbonnet fuse box is a weak point on C4.s I have changed several, for various To be sure, switch the vents to the footwell only, with full heat and on the 3 fan speed setting. Then check if you are getting anything from the top or face vents. I found this out, as the screen was getting too hot in the -8°C conditions causing the salt and screen wash etc to dry in the centre of the screen ( the screen was warm and hot air 33. Posted February 24, 2007. C4VTS said: My heated drivers seat has stopped working. The dealer wants the car for 2 days to strip the leather seat down and locate the fault. The Citroen technician said it may be a broken element, and could mean a new seat covering if the element is built into it, but he is not sure, which is why it needs I have had the same problem with the heater blower fan packing up on my Grand Picasso 2 litre auto. I took the fan assembly out. It is an easy job and the fan housing is just above the accelerator pedal. It is held in by 4 pk screws that need a 6mm socket. There is a bit of trim to be taken off but that is also easy. The fuse is position F39 and should be rated 20A. If neither of the seats work, check the fuse and cabling first, if one of the seats works, then probably it is the heating element's fault (might be damaged if for example kneeing into the seat very hard). Also, set it to max, because at the first setting one can barely sense the heat. Water condenses on the outside of the cooling matrix (air con evaporator) and collects in the plastic surrounding box between the front footwells but should drain out to the outside of the car, unless the drain is blocked. 2. Does the windscreen steam up a bit. 3. dyYaMmD.