Hello all. This thing is driving me nuts. Every time I apply the brakes while driving or in park there is a squeak/creak sound coming from right under the dash. Lubes it 3 times with 3 different lubricants and nothing! Always comes back within a day or 2. Someone told me to replace master cylinder and booster but need a second opinion and I'm not made of money. The brake pedal is also soft but stops fine. Thoughts?