We have a 93 ford mustang lx. We recently put in a brand new master cylinder but the brakes still don't seem to be working. I thought maybe it was the power assist because when the engine is off, the brake pedal goes straight down to the floor. There doesn't seem to be a vacuum leak or a fuel...

1993 Ford Ranger XLT 4x4 , 3.0 V6 the clutch on the A/C compressor keeps kicking in and out even when the A/C is not on. when it engages it puts enough load on the motor to affect the RPMs. what would cause this? is the compressor shot? or is it maybe some problem electricly? i unpluged the...