REPLACED FAULTY BOOSTER OVERHAULED MASTER CYLINDER AFTER 4 TO 5 BRAKES FRONT BRAKES START TO BUILD UP PRESSURE AND BIND

Question 1

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1answer

I replaced the brake system on my 2001 chevy suburban, and the master cylinder will not pump any fluid.

it seems like the master cylinder is not pumping any fluid. Here are some possible reasons why this could be happening:

Air in the brake lines: If there is air in the brake lines, it can prevent the master cylinder from pumping fluid. You may need to bleed the brake lines to remove the air. Here is a video that demonstrates how to bleed brakes on a Chevy Suburban.

Master cylinder failure: If the master cylinder is faulty, it may not be able to pump fluid. In this case, you may need to replace the master cylinder. Here is a video that shows how to replace the master cylinder on a Chevy Suburban.

Brake booster failure: If the brake booster is faulty, it can cause the master cylinder to not pump fluid. In this case, you may need to replace the brake booster. Here are brake booster tests: How to Test a Brake Booster: 4 Simple Diagnostic Tests (wikihow.com)

Jan 19, 2024 • Cars & Trucks

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3answers

No break pressure when my 1998 ford ranger xlt is on when off I have pressure. Replaced master break cylinder with a new and no leaks at any wheel. Have bled the brakes. Helper pumped brakes 5 times held...

A master cylinder is supposed to be bench bled first to get the air out of the primary and secondary bores in the cylinder if you didn't do this there's air in the cylinder also you may have blown the seals inside it try to bench bleed it if you feel no pressure on the master cylinder plunger after bleeding it the seals are blown and you need another one ////\\\\if you do feel the pressure after bleeding and after installing it and bleeding the lines at all wheels and there is no pedal pressure the brake booster is the problem

Jun 22, 2019 • Ford Cars & Trucks

1helpful

2answers

I have a 2008 equinox. after driving 20 mins in stop and go traffic, brake pedal becomes hard and can't move the car. Replaced master cyclinder, brake booster and brake pedal sensor. Help

Check the flexible brake lines on the front two wheels. The rubber inside can become swollen which will restrict the release of pressure when you let off the brakes. After a few brake applications, enough pressure will build up to keep the brakes applies to the front two wheels. It will also severely wear the front pads .

Sep 25, 2015 • 2008 Chevrolet Equinox

0helpful

1answer

1991 Nissan Pintara U12 brakes don't work

check it actually has vacum at booster,if it has check seals installed behind master cyl and ahead of brake pedal.
if above checks out and theres no hissing when you step on pedal someone screwed up booster rebuild

Oct 31, 2017 • 1991 Nissan Stanza

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1answer

Brake pedal wont build any pressure on my 1985 silverado even after i replaced the master cylinder

if you hear a loudish hissing noise when you hit the brakes you may need a new power booster as well my old 85 chevy did the same was booster not master cylinder hope this helps

Jan 30, 2013 • 1985 Chevrolet Chevy

0helpful

1answer

1937 ford coupe relpaced booster brake pressure when off/no pressure when started

Try checking with either propane or water mist on all hoses and surfaces where generated vacuum could escape.

Activator rod from Brake pedal to Master cylinder can be adjustable on some models.

Jul 20, 2017 • Ford C Cars & Trucks

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1answer

I have a 98 chevy malibu i replace the front pads and rotors, i drove the car to test out the brakes and there was no brakes then i bleeded the front brakes and still no brakes then i change the master...

you have to bleed all 4 brakes even if you only replaced the 2 , start with the brake farthest from the master cylinder, and work your way up to the closest one, which in your case would be passenger rear, drivers rear, passenger front, drivers front, make sure as your doing this, that the master cylinder never runs out of fluid, or you have to start all over

Jul 25, 2011 • 1998 Chevrolet Malibu

0helpful

2answers

1998 frontier 4wd 4 cyl. just replaced front brake pads, rotors, and calipers. also replaced master cylinder. now the brake pedal pumps up without motor running, but as soon as motor is started, with...

yes may need to bleed lines at master cylnder

Mar 02, 2011 • 1998 Nissan Frontier

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2answers

Replaced the brake booster how do you adjust for

Possibly the Proportioning valve. its where the lines go after the master. it has a bleeder screw of some sort on it. The pins inside wear out and stick causing uneven pressure. Replace or rebuild it if that be the case. Also chect the master for fluid leaks at the end of the piston where it connects to the booster push rod. If its leaking rebuild or replace it.

Aug 09, 2009 • 1994 Honda Accord

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1answer

Brakes

Flexible brake lines are probably balooning out causing pressure not to build up, replace flexible to the calipers.

Jul 26, 2008 • 1989 Chevrolet Silverado 2500

Question 2

raj somaiya

Cars & Trucks Master 5,370 Answers
Posted on Nov 23, 2012

raj somaiya

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Joined: Nov 12, 2010

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CAR BRAKE PROBLEMS

It can be issue with master cylinder or the problem is there is still some air there in the system,that has to be bleed.Or else the parts replaced are not aligned properly/.I suggest everything back.

There are few help links mentioned below to troubleshoot the issue.

Click the link below and follow its procedure:-----

All types of brake problems and repairs http://howtobyme.blogspot.com/2011/11/abs-and-service-light-comes-on.html

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Brake Fade Issue? http://whoisbyme.blogspot.in/2012/07/brake-fade-issue.html

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Brake System Troubleshooting? http://technoanswers.blogspot.com/2011/11/brake-system-troubleshooting.html

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Car Brake lines have no pressure? http://schematicsdiagram.blogspot.com/2011/12/car-brake-lines-have-no-pressure.html

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Car Brakes Dragging? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-dragging.html

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Car Brakes grabbing? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-grabbing.html

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Car Brakes Making Noise? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-making-noise.html

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Car Brakes Pulling? http://repairhelpcenter.blogspot.com/2011/12/car-brakes-pulling.html

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Pulsating Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/pulsating-brake-pedal.html

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Spongy brake pedal? http://repairhelpcenter.blogspot.com/2011/12/spongy-brake-pedal.html

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Hard Brake Pedal? http://repairhelpcenter.blogspot.com/2011/12/hard-brake-pedal.html

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Fading Sinking Brake pedal?

http://whoisbyme.blogspot.in/2012/06/fading-sinking-brake-pedal.html

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Feels Like Brake pedal Pulsating http://repairhelpcenter.blogspot.in/2012/06/feels-like-brake-pedal-pulsating.html

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What is Brake Drum Bar? http://repairhelpcenter.blogspot.in/2012/02/what-is-brake-drum-bar.html

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ABS light stays on but brakes work fine?

http://howtobyme.blogspot.com/2011/11/abs-light-stays-on-but-brakes-work-fine.html

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Vibrations while braking On Chevrolet Van? http://technoanswers.blogspot.in/2012/04/vibrations-while-braking-on-chevrolet.html

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Dragging brakes? http://howtobyme.blogspot.in/2012/03/dragging-brakes.html

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Brake pedal stuck? http://howtobyme.blogspot.in/2012/03/brake-pedal-stuck.html

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After replacing brake rotors and pads, brake pedal remains on floor? http://technoanswers.blogspot.in/2012/02/after-replacing-brake-rotors-and-pads.html

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How to replace Brake Power Booster? http://repairhelpcenter.blogspot.in/2012/02/how-to-replace-brake-power-booster.html

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1997 Chevy Tahoe Brake lights not working? http://technoanswers.blogspot.in/2012/02/1997-chevy-tahoe-brake-lights-not.html

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How to service Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-service-drum-brakes.html

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What type of problems usually noticed on Drum brakes? http://repairhelpcenter.blogspot.in/2012/02/what-type-of-problems-usually-noticed.html

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How to test Drum Brakes? http://repairhelpcenter.blogspot.in/2012/02/how-to-test-drum-brakes.html

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Brake Bleeder Screw Function? http://repairhelpcenter.blogspot.in/2012/02/brake-bleeder-screw-function.html

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Toyota Tundra: Parts diagram to replace Brake Drums?

http://technoanswers.blogspot.in/2012/06/toyota-tundra-parts-diagram-to-replace.html
---------- Squeak and grinding sound is heard when brakes are applied?

http://technoanswers.blogspot.in/2012/02/squeak-and-grinding-sound-is-heard-when.html

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Brake Pads Inspection on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-pads-inspection-on-acura-integra.html

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How to remove Brake Pads on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-pads-on-acura.html

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How to remove Brake Disc Rotor on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-disc-rotor-on-acura.html

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Brake Caliper OVERHAUL on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/brake-caliper-overhaul-on-acura-integra.html

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How to remove Brake Caliper on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-brake-caliper-on-acura.html

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How to remove Parking Brake shoes on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-shoes-on.html

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How to remove Parking Brake Cable on Acura Integra?

http://repairhelpcenter.blogspot.in/2011/11/how-to-remove-parking-brake-cable-on.html

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Brake pedal is pulsating and vibrating? http://repairhelpcenter.blogspot.com/2012/01/brake-pedal-is-pulsating-and-vibrating.html

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2002 Ford Windstar: Brake Warning Light ON dash?

http://schematicsdiagram.blogspot.in/2012/06/2002-ford-windstar-brake-warning-light.html

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These details will help.

Thanks.

Answer 2 · 1/16/2009 12:00:00 AM

Anonymous

740 Answers
Posted on Jan 16, 2009

SOURCE: New Mastercylinder/brakes still lose pressure

ITS THE MASTER CYLINDER AGAIN.More than likely they are using a re manufactured master cylinders. Get a new one from MOPAR-(CHRYSLER) that will take care of your problem. Trust me I have had the same problem with a similar vehicle in the past in my shop. Good Luck, thank for using FIX YA

Anonymous

1861 Answers
Posted on Feb 22, 2009

SOURCE: replced front brake pads and calipers adjusted

Bleed the master cylinder first. You have to do that before you belled any calipers or wheel cylinder.

Anonymous

1 Answer
Posted on Mar 03, 2009

SOURCE: brakes

Flexible brake lines are probably balooning out causing pressure not to build up, replace flexible to the calipers.

Anonymous

837 Answers
Posted on Mar 24, 2009

SOURCE: 1998 FORD F150 XLT 2WD - No Brakes when truck is running

We could have really went round and round for that one .. wouldn't you say .. but hey glad you were able to resolve it and that all is well . .but anyways thanks for using FixYa and we are here to help .. don't hesitate to look us up again .. Crayz

Anonymous

145 Answers
Posted on Apr 17, 2009

SOURCE: no brakes after master cyclinder and booster replacment

To bleed the brake system open all the bleeders and let the system gravity bleed for @ 1/2 hour ensuring the master stays full. Then close all bleeders and starting furthest from the master (r/r) have someone pump the brakes 2-3 times,hold the pedal down, then open the bleeder,close the bleeder,and repeat untill there are no air bubbles and the brake fluid is running clear .Repeat for all wheels in this order R/R L/R R/F L/F ensuring master cykinder does not run empty. You cannot pump the pedal with a bleeder open you will be sucking air back into the system. Once you finish all wheels repeat to ensure there is no air remaining in system.

Answer 3 · 1/16/2009 12:00:00 AM

Anonymous

740 Answers
Posted on Jan 16, 2009

SOURCE: New Mastercylinder/brakes still lose pressure

ITS THE MASTER CYLINDER AGAIN.More than likely they are using a re manufactured master cylinders. Get a new one from MOPAR-(CHRYSLER) that will take care of your problem. Trust me I have had the same problem with a similar vehicle in the past in my shop. Good Luck, thank for using FIX YA

Answer 4 · 2/22/2009 12:00:00 AM

Anonymous

1861 Answers
Posted on Feb 22, 2009

SOURCE: replced front brake pads and calipers adjusted

Bleed the master cylinder first. You have to do that before you belled any calipers or wheel cylinder.

Answer 5 · 3/3/2009 12:00:00 AM

Anonymous

1 Answer
Posted on Mar 03, 2009

SOURCE: brakes

Flexible brake lines are probably balooning out causing pressure not to build up, replace flexible to the calipers.

Answer 6 · 3/24/2009 12:00:00 AM

Anonymous

837 Answers
Posted on Mar 24, 2009

SOURCE: 1998 FORD F150 XLT 2WD - No Brakes when truck is running

We could have really went round and round for that one .. wouldn't you say .. but hey glad you were able to resolve it and that all is well . .but anyways thanks for using FixYa and we are here to help .. don't hesitate to look us up again .. Crayz

Answer 7 · 4/17/2009 12:00:00 AM

Anonymous

145 Answers
Posted on Apr 17, 2009

SOURCE: no brakes after master cyclinder and booster replacment

To bleed the brake system open all the bleeders and let the system gravity bleed for @ 1/2 hour ensuring the master stays full. Then close all bleeders and starting furthest from the master (r/r) have someone pump the brakes 2-3 times,hold the pedal down, then open the bleeder,close the bleeder,and repeat untill there are no air bubbles and the brake fluid is running clear .Repeat for all wheels in this order R/R L/R R/F L/F ensuring master cykinder does not run empty. You cannot pump the pedal with a bleeder open you will be sucking air back into the system. Once you finish all wheels repeat to ensure there is no air remaining in system.

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REPLACED FAULTY BOOSTER OVERHAULED MASTER CYLINDER AFTER 4 TO 5 BRAKES FRONT BRAKES START TO BUILD UP PRESSURE AND BIND

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raj somaiya

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I replaced the brake system on my 2001 chevy suburban, and the master cylinder will not pump any fluid.

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REPLACED FAULTY BOOSTER OVERHAULED MASTER CYLINDER AFTER 4 TO 5 BRAKES FRONT BRAKES START TO BUILD UP PRESSURE AND BIND

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raj somaiya

5 Related Answers

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Attachments: Added items

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I replaced the brake system on my 2001 chevy suburban, and the master cylinder will not pump any fluid.

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1991 Nissan Pintara U12 brakes don't work

Brake pedal wont build any pressure on my 1985 silverado even after i replaced the master cylinder

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I replaced the brake system on my 2001 chevy suburban, and the master cylinder will not pump any fluid.

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