headstrong56. 493 Answers. SOURCE: citroen rear window heater problem. i would check all the fuses first. then make sure the connections are tight and free from corrosion where the wire plugs into the back windo heater. Posted on Jul 15, 2012. If a washer pump motor is stalled (i.e. frozen) and draws above 10AMPS (as is happening) then substituting a 15AMP fuse simply allows the motor to draw 15 amps before that fuse blows. A 20AMP, 25AMP or 30AMP fuse will do exactly the same. It WILL NOT magically make a stalled motor start working. I for one will be sticking to the original spec. Model: C4 Grand Picasso. Model: C4 Grand Picasso. Skip to main content. Shop by category. Shop by category. Enter your search keyword Additional Wiper & Washer If the washer and wipers share the same fuse, then the fuse is not my problem since all wipers work ok. I was hoping to find a fuse or relay that was dedicated to the washer pump as this is the only component (front and rear) not working. Suspicions must next fall on the washer pump itself, access to which is not immediately obvious. Sun Aug 05 2007, 05:08am. Member No: #270. Joined: Apr 29 2007. Location: SE London. On my C4, I noticed yesterday that the plastic trim that runs down the side of the windscreen on the drivers side of the car has become loose, it sticks out a few MM from the top where it joins the roof, taking it back for the 1500 Mile service soon so will get Wiper motor CITROËN C4. C4 Grand Picasso I (UA_) TOP CITROËN C4 Grand Picasso I (UA_) engines. C4 I Grand Picasso 1.6 16V (140 hp) Petrol. C4 I Grand Picasso 1.6 16V (150 hp) Petrol. C4 I Grand Picasso 1.6 THP 155 (156 hp) Petrol. C4 I Grand Picasso 1.6 VTi 120 (120 hp) Petrol. C4 I Grand Picasso 1.8 i 16V (125 hp) Petrol. 1. response. 16 plate 1.6 diesel intermittent rough running. Started in 2022, engine will intermittently lose power and run rough rev counter fluctuates, usually lasted around 5 mins or so , initial diagnosis was Dpf issue, went into Citroen in October 22 for n 2016 1.6 blue HD. The screenwash on my 2012 Citroen C4 works on the rear screen but not on the front windscreen. This fault has just appeared. But what is mystifying me is that I can hear the pump working when selecting wash for rear screen only, but no sound from the pump when front screen wash required. Can there be two separate pumps in the bottle (which is full)? I have of course checked the pipe work to There are a number of reasons why windscreen wipers stop working and these include: torn wipers, broken controls, a blown fuse, faults with the motor, damaged arms, snow or ice covering, loose pivot nuts and a break in the wires. Torn wipers – wiper blades are comprised of plastic with rubber attachments. They are fitted tightly for good Disconnect the tubing there and try the washer again. If fluid squirts out, you know the nozzles are plugged. Clean the nozzles by pushing a small pin in to loosen any debris, then blow the clog back down the hose and out the end that you disconnected. How to Change Wiper Blades in 3 Steps. Family Handyman. 5fN5m.