i need some big time help...

ok guys.. heres the dilly...
i have weapon r coilovers and the thing is that i think its lost some of its lube so adjusting it is kind of a problem... well its hard to get it back up....
any suggestions as to what i can do to loosen it up?? should i try WD40?? or just clean it and use some grease???o::(
some has to help me out cuz i have an appointment at honda and it cant get on the lift cuz its too low.... so i gotta jack it up about an inch and a half to get on....
Thanx