DENSO Heater resistor for Citroën C4 I Saloon 2.0 Flex 148 hp 10/2008 - 07/2013. DENSO Heater resistor for Citroën C4 I Grand Picasso 1.8 i 16V Flex 117 hp 06/2009 - 01/2013. DENSO Heater blower resistor for C4 Aircross 1.6 VTi Flex 118 hp 06/2017 - 03/2021. C4 CACTUS 1.6 VTi 120 Flex 122 HP 09/2018 - 12/2020. The battery in the car is a 70Ah 760CCA (cold cranking amps). The guy at ATS said the battery would show 760 brand new, is currently showing 459 and isn't strong enough to allow the stop-start to function. It will need replacing before the winter kicks in otherwise we will start having some issues getting the car started when the weather turns 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. In this video I show you how to fix air conditioning problems on the left side of the Peugeot 307 and Citroen C4. Peugeot 307 Heater Flap Repair Kit. Links: 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. Re: Citroen c4 2009 heater actutor problems. by GiveMeABreak » Fri May 15, 2020 4:27 pm. Ok, so you do only have the 'Single Air Conditioning' system. There are 3 systems on this model - the single A/C system that you have, then a Dual Zone system and finally a 4 zone system. So you should have the main controls on the driver's side and the GiveMeABreak wrote: ↑ Wed Jan 12, 2022 6:21 pm @ Mick - Mick those are completely different systems to the C4 Picasso (B78). That 407 does not have the same mechanism at all It's a fascia off to get the heating unit out. Those control arms are on the diagram item (14) that I mentioned earlier. Pull the window completly down and keep holding button for few sec. Then wind it up and keep button pressed for few secs. Feb 10, 2015 • Citroen Cars & Trucks. Radiator fan is controlled by a temperature sensor. If the temp is at the point that the fan should run, it will turn on, whether car is running or not. wxAMIRN.

citroen c4 grand picasso heater not working