Hello all, i noticed yesterday that my xf had a leak from the windscreen wash bottle, at this point the washer pumps for the headlights and windscreens were still working. I pulled the arch liner back to access the pump, I could see that it was leaking from the rubber grommet/filter on the pump. I removed the pump from the bottle but kept it plugged in to its power supply, I managed to seal it back up and stop the leak temporarily until the new one arrives. However upon driving my xf today I have noticed neither the washer pump for the windscreens or the pump for the headlights to be working, I have checked the fuse under the bonnet (f6 30a fuse) and its still intact. I dont dare disconnect the battery to check the bcm in the drivers footwell, im hoping its something simple, am I in denial that the bcm has infact been corrupted? 

Hi Thomas, I am a believer in the fault likely arises from the last action you took - you removed the washer pump and put it back into place - therefore by my thinking you have likely disturbed some element of the power supply wiring, most likely the earth.

But perhaps that's just me being optimistic. Don't spiral to conclusions until you can get a meter onto the pump terminals to confirm you have the correct voltages where they should be.

N6 JMX

Thanks mate, yes it could be possible that is the case, im replacing the washer pump today when the new one arrives, so before I do il pick up a voltage tester and test at multiple points. Aswell as tracking down the earth, thankfully its only the windscreen washer pumps affected and nothing more.

I have just been and collected a multimeter up from tool station. I tested the fuse box where the washer pump fuse goes and sure enough its reading a flat 0 when I press the button on the stalk for the washers. Just as a control I also tested where the fuse goes for the wiper motor which worked perfectly showing 14 something odd volt.