Originally Posted by FredTJ

When the brake booster goes out it does NOT cause the brake pedal to drop to the floor. It's kinda the complete opposite. It makes it very HARD to press the brake pedal.
The vacuum boost (brake booster) is the "power" park of power brakes.
Bad booster = very, very hard brake pedal, not a brake pedal that drops to the floor.

I do fully agree, that if the poster is not familar with the brake system, then take it in and have someone check it out and fix it.
Sounds to me like the master is taking a walk on the wild side.

Also Toyota does something really funky with the PS system and the ABS system, though that should affect or cause the pedal to go to the floor.



Fred