The #1 cause of a soft pedal is air in the line. If you find you dont have a vacuume leak to your power booster. That would acutally give a hard pedal. I just replaced my booster and master cyl. from advance auto.com for $130. Pc of cake to install.
Good Luck , we are waiting for it to warm up as well. Snowing today. : ( Russ
Good Luck , we are waiting for it to warm up as well. Snowing today. : ( Russ