Question about 2001 Chevrolet Blazer

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No brakes push pedal to floor

Still have lots of brake fluid,petal still spongy .we have bled brakes twice. it didn't get no better.

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  • Chevrolet Master
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Check vacuum booster[power booster attached to master cylinder]check the vacuum lines for cracked or damaged- also diaphragm may be damaged internally

Posted on Oct 02, 2009

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Leaky rear break cylinder or master cylinder

Posted on Oct 02, 2009

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  • Contributor
  • 18 Answers

Why are you bleeding the lines, What was replaced that required you to bleed brakes? Did you replace master cylinder? If so, did you bench bleed the master before installation

Posted on Oct 02, 2009

  • Lou Everett Dec 13, 2011

    I have a 2006 Trailblazer and it's had 5 master cylinders in 4 years. Chevrolet was nasty with me about it. Any ideas here?

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My 2000 Grand Prix the brake pedal just went to the floor. What is wrong :(


It could be that your brake fluid reservoir is empty. You might also have a crack in the line.

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1997 GMC safari van brakes do not operate correctly when pushed. They did not stop the van until the brake pedal was pushed numerous times.


AT FIRST GLANCE I WOULD BE LOOKING @ BRAKE FLUID CHECK LEVAL AND REAR WHEEL CYLNDERS MAY BE LEAKING, OR MASTER CYLNDER BYPASSING

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Spongy brakes after changin brake pads and calipers


Sounds like the calipers weren't bled or weren't bled sufficiently. You should have a helper pump up the brakes. Then you should open one of the bleeder screws. The brake pedal should fall to the floor and air and/or fluid sould come out.. Close the bleeder before your helper lets the 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 doesn't go empty.

Aug 25, 2011 | 1999 Chevrolet Silverado 1500

1 Answer

We have bled the brakes at least 4 times and they are still spongy. It is a 1938 ford with a frame mounted master cylinder and discs front and back. GM Calipers on Front, Speedway Ford on Rear. Used a...


If no fluid is "leaking" from the brake lines (inspect visually) then the brakes should be bled with this method: Use 1/8 inch 2 foot long hose from parts store and attach the hose from bleeder valve ball on the brake caliper to a bottle partially filled with brake fluid. The end of the hose in the bottle must be submerged in some clean brake fluid in the bottle. With a second person holding the brake pedal to the floor, slowly turn bleeder valve counter clockwise (loosen tiny bit) with wrench and watch for dirty brake fluid to create bubbles in the bottle. When bubbles start, quickly tighten bleeder valve back to tight. Second person should lift foot, pump and then while valve is still tight should push the pedal to the floor again and THEN you again open bleeder valve slowly turning counter clockwise and watch for bubbles. Repeat until no more bubbles can be created in the bottle where the hose is submerged. Move to next caliper and repeat. For a firm brake pedal you will need to repeat this on all four calipers.

Jul 25, 2010 | 1995 Chevrolet Blazer

2 Answers

Back brake not working?


you need to bleed all 4 brakes. have someone push the brake pedal while you open the bleeder valves on each caliper or brake line. close the valve or tighten the line efore the person pressing the pedal reaches the floor. monitor the fluid level because you will loose fluid while bleeding the brakes.

Nov 16, 2009 | 1999 Chevrolet Cavalier

1 Answer

87 jag xj6. Brake pedal spongy goes all the way


If the brake lines and fluid is clear then you may have to look at the brake booster found at the other end of the brake pedal under the hood...

Jul 23, 2009 | 1987 Jaguar XJ6

3 Answers

Replace brakes. now they go to the floor. bled air


When you fixed the brakes, did you take the lid off the master cylinder. I just wonder if you spilled out your brake fluid. The only reason the pedal should go to the floor is if the brake fluid is gone or the master cylinder is not working. Check the fuse. Check the brake fluid level. The pedal only goes to the floor if there is no back pressure in the lines between the master cylinder the lines to the brake pistion on the calipers. Please give me a good ratin and keep me informed.

Jul 07, 2009 | 1999 Cadillac DeVille

2 Answers

Spongy brake pedal


I have a 2001 Chevy 1500 4 X 4 that recently had all new pads, rotors, and calipers installed. Since then my brake pedal goes almost to the floor before I get any brakes. I took it back to the shop and they bled the brakes with no better results. I bled them also with no results. I took the truck back and they installed a master cylinder with no results. It's now at the Chevy dealer and they say it's normal - BS! I had good brakes before I had all of the brake parts replaced, no one can figure it out. If you have a load in the truck or if you tow anything you better be looking at the ditch to avoid an accident. The original brakes would put you nose into the windshield and now I could stop it better the Fred Flinstone way. Anyone have an answer????????

Jun 18, 2009 | 1998 Chevrolet C1500

3 Answers

Brakes are still spongy after changing the pads, one caliper, and master cylinder. bled front brakes.


I just went to Brake Masters this morning and had them replace the Master Cylinder since I was experiencing the pedal very spongy and going to the floor. When they replaced the Master Cylinder and they gave me back the car, the brakes were still spongy and going to the floor. I addressed this to them and they took another look at it, but when I took it for a second time, the brakes were extremely spongy. It was almost like they gave me back my car in worst condition to when I brought it in. Can you help?

May 21, 2009 | 1999 Chevrolet Silverado 1500

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