Make sure calipers aren't frozen
You need to bleed the brakes.
front front - rear rear.
The brakes will have either:Another problemNeed to be properly bled.The additional component is probably the anti lock brake servo. This component requires a special bleeding procedure.
Yes, replace the brake booster and master cylinder.Yes, replace the brake booster and master cylinder.
Power brake booster is going bad. wont hold vacuum for power brakes to work.
Check engine vacuum and power brake vacuum booster. If the brakes work but just require extra effort to stop, it's a brake boost problem.
the rear is usually smaller and closer to the brake booster
Did anybody bleed the brake lines? There is possibly still air trapped in lines and air compresses brake fluid does not.
The brake booster is what gives you power brakes. In the engine compartment in front of the steering wheel is a round black flat ball looking thing. That's the brake booster with the brake master cylinder attached in front of it. The brake booster uses VACCUM from the engine to multiply the force that your foot applies to the master cylinder. Used with power brake applications
It could be a few things ...i would check the brake booster.. If it is bad it will make your pedal go all the way to the floor before it will have any brake pedal at all..also i would check your vacuum for the booster for your brakes to work you have to have vacuum on it for it to work !hope this helps, and as allways if you are not sure get a second opinion !
If the pedal feels soft and spongy, you have air trapped in your brake lines. Did you prime the master cylinder before you installed it? Air in the brake line will not let the fluid fully compress. With all that you changed out, your brakes shoudl feel like new. Read up on how to bleed brakes or take it to a pro.......but don't continue to drive it the way it is.
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