XMHXP9. camer wrote: ». If the fan is blowing cold air then the fuse is fine, the water flow valve to the heater matrix cold be frozen or seized or there cold be an airlock in the pipes that feed the matrix.Some cars have bleed valves on the matrix flow and retun pipes to allow the air to be removed, usually peugeot and citroen. Heater fan regulation. 2002 Grand Caravan. The rear heater also has a resistor for the fan speed control. (3 speed) It is located under the rear passenger side plastic cover. You can take off the rear tail gate lower plastic piece and this will let you pull out the side panel. You can reach in and take out the two screws that hold in the 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 I have stripped out and removed the fan motor assembly and dried it out in the airing cupboard in the hope that this may resolve the problem. Unfortunately this did not work. As a bit of an amateur, I need some guidance to test these items to see which needs replacing. I have basic tools and a mutltimeter, but do not really know what to do to test.

citroen c4 grand picasso heater not working