While Lubricating a Rear Suspension with an Air-Actuated Grease Gun,one

Multiple Choice

While lubricating a rear suspension with an air-actuated grease gun,one spring pin will not take grease.Which of the following should be done first?

A) remove weight from suspension and try with a hand grease gun
B) heat the spring with a rosebud
C) remove weight from the suspension and hammer on eye while pumping grease
D) replace the mainleaf