HI DUNCAN, I ALSO HAVE JUST BOUGHT A 2011 NONE FACE LIFT JAGUAR XF PREMIUM IHAVE HAD IT TWO WEEKS AND NOTICED THAT WHEN I USED THE WIPER WASHER THAT WATER WAS COMING FROM INSIDE THE WHEEL ARCH COVER, SO I TOOK IT TO MY LOCAL GARAGE AND THEY HAD A LOOK, HE SAID THE TOP OF THE PUMP WAS LEAKING AND REPLACED IT WITH ANOTHER AFTERMARKET ONE BUT SAID IT WOULD HAVE CAUSED LOTS OF ELECTRICAL PROBLEMS AS IT WAS GOING OVER THE WIRE,S SO LUCKY FOR ME I SEEN IT , I HAVE 18 MONTHS WARRANTY BUT DONT THINK THIS WOULD HAVE BEEN COVERED ANYWAY, HE ONLY CHARGED ME £40 FOR DOING THE JOB I COULD HAVE DO IT MYSELF BUT DID NOT HAVE THE TIME .I AV HEARD THAT THE XF SUFFERS A HOST OF FAULTS JUST HOPE I DONT GOOD LUCK WITH THE REST OF YOUR CAR DAVE