Recently I've been having some braking issues. It all started with every once in a while I would go to apply the brakes and nothing. Luckily I'd pump them again real quick and I'd have pressure. Yesterday I was driving it my check engine light came on and there was a puddle of fluid under where I parked the day before. I can not find any visual leaks. I started the truck back up and had my wife pump the brakes while I did a search and there are no visual leaks but I did notice that when the brakes are applied you can see the booster swell as well as hear it pumping into the master cylinder. I also noticed that the truck had a change in idle while braking, almost like it's stalling. I'm going to check for codes later but to me this is a sign of a bad booster. What's everyone else's thoughts on it? Thanks!

 

Master cylinder is leaking into booster. Time to swap them out before the brakes lock up while your driving.

 

Thanks, I appreiate the help!

 

No worries, mine did the same th8ng.