Brakes Soft or Going to Floor? Don't Panic, Here's the Fix

Wagner Brakes recommends the following procedure to find out if the problem is a bad master cylinder or a leaky EH valve in the RWAL system. It turns out that it was caused by one of the rear wheel cylinders leaking brake fluid past the piston cup seal. The internal cups weren't ... Some things I would check: 1. Is the fluid level dropping in the reservoir? Check for leaks throughout entire system. 2. Look at the fluid in the reservoir and ... The pedal went to the floor. It was the scariest thing. The technician didn't bleed the brakes after he swapped the master. He said he was going ... A brake pedal that sinks all the way to the floor could indicate a problem with the brake master cylinder or it could be due to a brake fluid leak. Full Access Member ... A bad booster won't cause a low pedal, just the opposite. The pedal will be hard and high. OP says it's going to the floor. Only checking for a loose wheel bearing for your brake pedal issue… If all good then you start doing checks to confirm the master cylinder is ... Yes, the pedal should drop when the engine is started and vacuum is supplied to the booster, but the pedal should not go all the way to the floor! 1. Place something solid behind the pedal so that it does not stroke any more than it would were it not having issues or being soft. While you have the booster off and the vac line is disconnected turn it upside down to make sure fluid has not accumulated in it. When you go back together with ...