if your brakes are really wore down and the piston is pushed pretty far out the fluid will be low enough for the brake light to come on without a leak
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08-30-2011
if your brakes are really wore down and the piston is pushed pretty far out the fluid will be low enough for the brake light to come on without a leak
08-30-2011
Doubt it.Originally Posted by dsmuts
08-30-2011
check your pads for wear, and look at the top of the parking brake lever for the plunger/sensor, it may be sticking or dead, thus keeping your brake light on, my regals used to stick and stay on.
08-30-2011
He said it felt like he was braking when he pressed the brake, so it wouldn't be the e brake. Pads wouldn't set off the light.
08-30-2011
as your pads wear the fluid drops, but the op says the fluid is full. and a mushy pedal would make the brake light come on too, could be bad master cylinder or air in the lines, but op says he has a firm pedal.... then says the brakes seemed to fade i guess under "HBS" aka "heavy braking situation" so check for pad wear, unless the pedal hit the floor. then air in the lines or master cylinder.
08-30-2011
I've seen it many times
08-31-2011
has done it twice to me!
09-06-2011
Hey guys,
I hope this will be the last update on this thread I think i found out what was turning that light on i traced the parking brake (e-brake) up to where the sensor is and found the single wire coming off of it with the key turned on i disconnected the wire from the sensor and the light instantly shut off. Just to be sure i reconnected the wire and the light came back on. So I just disconnected the wire and left it hanging.
Thank you for all your help!
tgarison
09-07-2011
Dont doubt it Hippo.. It happened to me....Brake light came on.. Checked everything and nothing fixed it, so i decided to do a brake job, and wala.... Fixed it.
09-07-2011
brake light comes on when fluid level drops below the sensor plugged into the master cylinder reservoir. As the pads wear it takes more to push them out against the rotor. If the pads/rotors are worn to such an extent that they are pushing out that far to contact one another it will set the light off. Its normally a closed switch so when the level drops it drops the float and opens the connection to the plug resulting in the BRAKE light turning on. You should be able to remove the plug and jump the two terminals with a paper clip and it should shut off if its functioning correctly, and the lgith should come back on when the clip is removed. Repalce pads/rotors, refill fluid and you should be set to go. Otherwise it could be the sensor not registering the EBRAKE being disengaged, a lot more rare occurence but also a possibility. id start with the fluid level first
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