WARNING: This page is about a different car, the 2011 Jaguar XKR, 2011 Jaguar XK, 2010 Jaguar XKR, and 2010 Jaguar XK. However, it is still accessible from the selected car via links, so may be relevant.
TORQUE SPECIFICATIONS
Item
Nm
lb-ft
lb-in
Windshield washer reservoir - screw
9
-
79
Windshield wiper arm to spindle - nut
23
17
-
Windshield wiper motor and wiper spindles to bulkhead - screw