i think i have the general idea but im not certain, my coolant freeze level is kinda low and my coolant res is gettin kinda ugly lol so i wanna change that too, how exactly do you get every bit out of the motor, i havent ever looked at my radiator so im not sure where the plug is

another thing ive heard the plugs dont go in so easy, is that true is there something special i need to do,

any help or pictures would help alot,

thanks guys
ty