Check for movement in the ball joints, antiroll bar bushes and linkage, could also be strut-top bearings. There is the possibility it could be worn/damaged shock absorbers.
u joint
if its a knocking noise whilst turning or in really bad cases constant then one of the half shafts constant velocity joints is probably failing due to the rubber gattor
I don't know, but I have the same problem with my 2011 Sentra. :(
Knocking is usually associated with worn main and rod bearings.
Driving at 50mph or above what causes a loud knocking clicking sound during acceleration?
what caused knocking sounds for me was a pully on the serpentine belt that was attached to the power steering pump. the pump gasket busted which in turned damaged the pully. If you have a lift it is not too hard to replace. Doing while you're vehicle is on stands is a nightmare. its about a 650 fix at a mechanic...
its the cv joint it gives a click,click,click noise on full lock sometimes pushing grease into them helps but usually needs replacing.
Rain
it wiil break your steering column
a dog
counterbalancer is bad
it could be your valves or your engine