There might be a switch attached to the brake pedal. When depressing the brake, at a certain point in the travel of that pedal, it trips a switch, which turns on the brake lights. Have someone check to see if the high mount brake light is or is not coming on, too. Chances are it is that brake light switch.
Power brake booster failure or vacuum supply to booster insufficient.
The most common cause is failure of the Master Cylinder. Leaking wheel cylinders & calibers is another cause. Of course worn brake pads or shoes can cause defective brakes. Lastly would be a broken brake line hose.
Fuse, wiring, bulbs
Remove the tire and wheel from your 2003 Chevrolet Astro Van. Remove the brake shoe spring and caliper. The brake shoes will come off. Reverse the process to install the new brake shoes.
blowen fuse or lights check fuse first
Check bulbs they are double filamented smaller for brake/ turn signals Check the sockets for corrosion Check for power and ground to sockets Could be a problem in the steering column switch
Yes. Ice in the air lines, to much heat generated by the brakes (overheating)... those are the two main causes.
Yes . Over time brake fluid can leak out and cause a failure.
pray
Contaminated brake fluid.Rusted, rotted brake lines.
A sticky brake caliper could do that.
How do you replace brake lights