1993 Ford Bronco "vacuum brake" Questions

...brake release. It is vacuum controlled and on some models, you shift and the vacuum body routes vacuum to a dashpot to release the Emergency brake. If something is wrong there you will get a vacuum ...

...brake lines might have air and just need bled, others think theres a vacuum issue. Im not even sure where to start looking...any suggestions? Take it back to where you had brakes repaired and have ...

...brake booster test...pump the brakes 3 times then start the car does the pedal drop??? okay now running pump the pedal three times hold down.. now turn off engine does it drop within 30 sec??? check ...

...year of bronco, fuel injected or carb ? check for a vacuum leak with the powerbrake booster, by you explaination it seems the common thisng is your foot on the brake pedal...please rate my help, ...

...brake booster on a 1993 ford bronco You'll need to unbolt the master cylinder, disconnect the vacuum line to the booster, usally you can get to the booster bolts on the inside of the car under the ...

...like the torque converter lock up might not be disengaging. You might also want to check for engine vacuum leaks. Does engine idle smoothly when in park or nuetral ? if the idle is good I would ...

...brake fluid to the transmission fluid to assist in cleaning the pistons in the valve body and seals and to help lubricate parts and seals Odds are that two or more different transmissions would not ...

Brake Cleaner" and with the straw attached to the spary top, direct the mist along all the vacuum hoses and the gaskets around the intake manifold, and alont the fuel rails. If there is a vacuum leak,

for do....any advise would be greatly appreciated... Aloha the 173 is a transmission code, the 556 is a bad brake booster pressure sensor. a vacuum leak from the booster can cause engine to run poorly