Hi all!

When the ignition is on and you're stepping on the brake pedal, has anyone ever got a squeaking sound from the pedal? It souds like a mouse squeaking, or a bit like farting. I traced the sound to the servo, I believe. I've also greased the area under the steering where the brake pedal meets the dash, but that doesn't help. Today I bleeded the brakes and the sound disappeared for about half a day, but returned at night. Anyone got any idea where the problem is? Thanks in advance!