I called my local Independent Citroen Specialist to enquire about an interim oil change for my C4, 2.0Hdi (with particulate filter). He quoted £60 and when I asked what oil he used, he said 10W40. I mentioned that Citroen now specify a particular grade ECS oil for diesel cars with Particulate filter and his reply was that this was unnecessary AUDI. PEUGEOT. NISSAN. TOYOTA. RENAULT. OPEL. HONDA. FIAT. Illustrated step-by-step manuals and video tutorials on replacing CITROËN C4 Brake Fluid will tell you how to carry out DIY replacement of parts and maintenance of your car quickly and cheaply. Transmission. The automatic transmission of Citroën cars may give problems. It is apt to overheating. Moreover, quite early, oil seals lose their tightness, and ball joints of the gearbox linkage get damaged. To extend the lifespan of the transmission, specialists recommend to regularly replace the transmission fluid. At what intervals should I change the engine oil on my CITROËN C4 1.6 BlueHDi 100? CITROËN recommends oil change intervals of 15,000 km or 12 months for the C4 1.6 BlueHDi 100 Diesel. Outside of these intervals, an oil change may also be necessary if the dashboard oil light comes on. Carefully remove undertray. It is heavy. Here's the sump plug. Don't forget to place a suitably sized receiving tray beneath. Using a 21mm spanner or socket, carefully remove the sump plug and fully drain the oil. When the sump has emptied, wipe clean the sump plug area with a paper towel and fit a new sump plug and washer. Do not over tighten. Go over the transmission to locate the leak. You can usually find it by looking for dripping transmission fluid. Follow the trail of leaked fluid to the affected part. Take the appropriate steps to patch the leak. If you can’t repair the damage, replace the leaking part. Transmission Fluid Sensor and Transmission Fluid Temperature Sensor C4 PICASSO / SPACETOURER, GRAND C4 PICASSO / SPACETOURER, C5 AIRCROSS, DS5 Brake Fluid Change: £70 Diagnostic – Up To 1 Hour: £125 Engine coolant fluid temperature gauge. 4. Rev counter (x 1,000 rpm). 5. Display screen. Control buttons Colour display 1. Cruise control or speed limiter settings. Speed suggested by the speed limit recognition system. 2. Gear efficiency and/or selector position indicator, gear and Sport and Snow modes with an automatic gearbox. 3. To change oil in the CITROЁN C4 I Picasso (UD) 1.6 HDi Diesel 109 hp, you'll need 3.75 L of motor oil. Oils with which OEM approvals are recommended for the CITROЁN C4 I Picasso (UD) 1.6 HDi Diesel 109 hp? For the CITROЁN C4 I Picasso (UD) 1.6 HDi Diesel 109 hp, the manufacturer recommends using engine oils with the following approvals: VW 41K views 2 years ago. How to change transmission gear box oil for citroen c4 grand picasso mk2 mark 2, 2014, 2015, 2016, 2017, 2018, 2019 Gear oil should be replaced 30000-50000 DJ366nk.