Master
SOURCE: my 1992 Honda accord rotors get hot even after
Did you bleed the brakes properly after you did all the work? Air in the system will cause varied problems, mainly, the fluid can't flow properly. Did you clean the rotors before you installed them with brake kleen? They have a rust preventive coating (like cosmoline) on them when they are new. If the pedal is hard to push the booster could be bad or not getting enough vacuum to operate properly. Take the vacuum fitting off the booster and make sure it isn't clogged. Check the vacuum line for breaks. Make sure it is connected properly. Inspect the booster for any holes.
SOURCE: Power Brake Booster 1998 Chevy K-1500
there is a lock clip use a small straight screwdriver pull out the center and slide off the clip
SOURCE: brakes
Flexible brake lines are probably balooning out causing pressure not to build up, replace flexible to the calipers.
SOURCE: 2001 dodge 2500 diesel, leaking
YES.BUT IT IS EASIER AND LESS TIME CONSUMING TO BUY A REBUILT UNIT.
SOURCE: BRAKE BOOSTER?
A bad brake booster will result in a hard brake pedal, stiff and more effort required to stop the truck. Here are my questions to you, first, you said you replaced the master cylinder, did you bench bleed it before you installed it? If not, there IS still air in it, regardless of how much you bleed the brakes at the wheels. Second, when you bled the brakes, after changing the calipers and master cyl., did you also bleed the proportioning valve? Sometimes air can get trapped in the valve, and its almost impossible to get it out bleeding just the wheels. And lastly, when the brake light comes on, does the abs light also come on with it? Air can also get trapped in the abs control module too.
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