You have a fluid leak somewhere. Look on the inside of each tire for signs of brake fluid. If not there it must be the master cylinder, but there has to be a leak somewhere.
Your brake pedal feels soft, one reason for this could be
Your brake pedal feels soft, one reason for this could be
Brake pedal will be soft if the front pads are seized in the slides..and/or your rear brakes are dirty and out of adjustment. Pull up the park brake slowly and count the clicks it goes up More than 5 clicks...needs rear brake adjustment
Probably a bad master cylinder...
Soft pedal is caused by air in the system. Bleed the brakes starting at RR, then LR, RF, and ending at LF.
air in the hydraulic brake system
test the booster with engine turned off, pump brake pedal until pedal goes hard then hold foot on brake pedal and start engine. if booster is working, the pedal will go soft as it should for mormal use. if booster is not working ,the pedal will stay hard
if brake pedal is soft , either there is air in the system ,a brake fluid leak, or brake linings and pads are worn allowing the pedal to travel to far if there is a fluid leak, this can usually be found by getting under vehicle and looking at inside of wheels for brake fluid
out of brake fluid?
Brake system has air in it.
A soft brake pedal typically indicates that there may be air in the brake lines, a fluid leak, or low brake fluid levels. It can also suggest worn brake pads or issues with the master cylinder. This condition can lead to reduced braking effectiveness, making it crucial to address the issue promptly for safety. If you experience a soft brake pedal, it's advisable to have your braking system inspected by a professional.
Yes, sometimes it is.