Question about Cars & Trucks
I have a 1996 Chevy Tahoe.... At first the brake petal was very hard to push down which made me think it was the Power Brake Boost. After awhile I started to hear "grinding" noises which made me think I needed brake pads. The other day while driving I could bearly stop my truck, like the brakes went out. I had to go through two stop signs without being able to stop. The petal went down to the floor. I just had the power brake boost replaced but the brakes wont do anything. They go straight down and feel very loose. I was told the piston was sticking out "to far" and I may need rotors and pads. I feel like screaming, what could be wrong?
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Posted on Jan 02, 2017
You have air in your break lines. The two ways you can solve this problem is have the breaks blead to get the air out of the lines, or you can take the top of the break reservoir and pump your breaks to the floor. DONOT DO THIS With the car moving. What this will do is force the air to the reservoir.
Posted on Jan 06, 2009
Sounds like you might have a caliper that is stuck and is not fully disengaging. If it is in the rear then you may have a bad rear caliper. Twoo things you can try. One is to crawl under the ca and adjust the tension two nuts on the emergency brake line. If that does not resolve the problem then remove the back tire and try to spin the drum or rotor whichever you may have. If it does not spin then try adjusting the e brake cable more if it still does not respond then you need to do a brake rebuild. Also does it pull while it is dragging? If it is then you will need to rebuild the brakes no matter what.
Posted on Feb 06, 2009
SOURCE: Brake petal goes to floor
if you cant find any leaks in lines or cylinders or calipers u probaly have a bad booster
see lots come threw my shop like that but also their is a vacum line that runs to the booster and it hooks to a plastic valve that goes in to the booster those get gloged and you loose pedal as well try replacing that before you bye a new boooster
Posted on Mar 26, 2009
There's a ratchet in the top of the pedal which holds the pedal down when depressed. This ratchet is worn, broken, loose, or it just needs lubricating. I would first try WD-40 on the top of the pedal where it attaches to the frame/chassis.
Posted on May 09, 2009
SOURCE: Power brakes not working
No such thing as vacuum lines to the master cylinder. You do have a vacuum line on the brake booster (power assist). When you step on the pedal do you hear a whoosing sound down by your pedal. This is a leaking Booster. Needs replacement.
When you step on the brake does the engine rpm change. This is a leaking check valve (one way air valve).
Posted on Jul 17, 2009
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