2001 Chevrolet Silverado 1500 "brake master cylinder spongy" Questions

...brake pads including one caliper and master cylinder. Brakes are still spongy and will go to the floor. Bled the front brakes. You have air in the system. You need to bleed the brakes. Start at the ...

...hydraulic pressure is built up. If you pump the brakes before stopping, the sponginess will be less. Check all brake cylinders, and Master Cylinder, and possibly a complete Brake system fluid

into the bleed valves, thus filling the calipers or wheel cylinders, then pushing the air on up the line to the master cylinder, where the air has a chance to escape-out the top of the master cylinder

brake line closest to the master cylinder to the longest brake line furthest from the master cylinder. Use an aquarium air hose (12 inch length), and a clear jar to catch the brake fluid. When no more

...brake that is farthest away from master cylinder first then continue to work your way to the closesest. Remeber when bleeding brakes when equiped with ABS the vehicle must be running to allow the ABS ...

brake pedal up. If any air comes out repeat the process until only fluid comes out. Now repeat the process on the other caliper. Be sure to check the fluid level in the reservoir often to make sure it

...you have air in your lines somewhere. If the pedal is soft and spongy then there is air in the lines. Start checking around the inside of your tires, and up near your Brake Booster and Master ...

...brake fluid while bleeding? It sounds like you have air trapped in the system. Bleed them very thoroughly. It's a good idea to have help with it. You might have to bleed the back brakes too, if there ...

...master cylinder full... :) When bleading the brakes have someone there watching to make sure the master cylinder never runs out of brake fluid or all of your time spent bleading them will be

...brake fluid in reservoir... if there still spongy do a master cylinder bleed... remember not to let up on pedal till you tighten bleeder again and start with the wheel farthest from the master ...