Question about 2002 Chevrolet Avalanche
Assuming your fluid level is ok then I would suspect the master cylinder.
Posted on Jul 24, 2017
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Posted on Jan 02, 2017
SOURCE: no brakes
When bleeding the fronts and the pedal does not go down all the way, stand on the pedal HARD and see if it won't go down then...
The proper sequence is to bleed fronts FIRST... if you had done this, you probably could have avoided this problem... but no worry, it is just a nuisance!
If you still have a problem after trying this, you might have a master cylinder problem... the seals to the fronts might be leaking, not able to build pressure...
So try this and let me know how it goes, and DON't FORGET: Your rating is my ONLY compensation for helping you!
Posted on Jul 08, 2008
I suspect you may have twisted the hose on re assembly. The other possibility is that the bleed nipple is choked with dirt and rust. Remove it completely and see if the fluid starts to run out. If so replace nipple or clean out.
Posted on Dec 17, 2008
I am a hydraulic technician and I can tell you that air is a killer in the hydraulic system.
Start from the rear and work your way forward. I f you are using the two person method, make sure the second person keeps the master cylinder full. If the fluid level dropped anywhere in between pressing and releasing the brakes....you have a lot of air in the system.
Make sure you are tightening the bleed valve when the brake pedal is full pressed.
Remeber...start from the rear brakes first, then do the front.
Posted on Mar 16, 2009
if the brake fluid resovoir is full and you havent opened the brake brake system (ie a bleeder screw or removed a brake line) then you probably need a master cylinder. if the brake fluid IS empty then first you must find the leak and repair it before bleeding will do any good.
Posted on Jan 02, 2010
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