Originally Posted by skeeet

I believe capillary action draws water inbetween the wheel and hub where it can not dry out plus sometimes two dissimilar (steel and aluminum) metals can cause corrossive action. It is not a good idea to put grease or oil on the hub face or on the lug studs. Grease on the studs will not give you an accurate torque value- hope you are torquing it to 100 ft/lbs?