Question about 1993 Buick Century

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Replaced drivers side brake lines and master cylinder, still have no fluid flowing to the rear wheels. could it possibly be the wheel cylinders, or should i try to replace the line over the tires. another issue is that i could not get the screw of off the rear left wheel to see if I could get any fluid from that side.

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  • Buick Master
  • 2,019 Answers

You don't remove the bleeder screw, just losen it as you pump down. Then close before you let up on pedal. Normally takes 30 or so pumps before you get any fluid. It is usually alot of only air first. Use penetrating oil on bleeder screw. You must open it. Replace wheel cylinder if you break it off. Lines are NOT likely any problem.

Posted on Jul 24, 2009

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Posted on Jan 02, 2017

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ftw1952
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SOURCE: replaced with new master cylinder,bench

did you prime the piston in the master cylinder before installing it? If no the seals are shot

Posted on Aug 22, 2010

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Brakes went out,master cylinder is dry. filled the master cylinder pumped brakes and bled rear drivers side


    If there is a substantial fluid eruption, there are air bubbles still trapped in the system. You must repeat the bleeding procedure to remove that air. A modest disturbance in the fluid returning to the reservoir indicates a properly bled brakesystem.

    How To: Bleed Your Brakes - Feature - Car and Driver

    www.caranddriver.com/.../how-to-bleed-your-brakes-feature Car and Driver
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How To: Bleed Your Brakes - Feature - Car and Driver

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Car and DriverIf there is a substantial fluid eruption, there are air bubbles still trapped in the system. You must repeat the bleeding procedure to remove that air. A modest disturbance in the fluid returning to the reservoir indicates a properly bled brake system.

How to Bleed Brakes - Tips on Bleeding Brakes

Jan 01, 2016 | Cars & Trucks

2 Answers

Where do you start when bleeding the brakes


start at passanger rear than drivers rear --passanger front last drivers front
Bleeding Brakes With One Person Brake Bleeder

Aug 30, 2015 | Cars & Trucks

2 Answers

I have 04 awd saturn vue my front driver and rear passenger brakes won't engage or something.


Make sure the master cylinder is full and that the vacuum line going to it is is secure wit no air leaks. If as you state the brakes not being applied only at the drivers front and passengers rear wheels, but the other two wheels are working fine you will either have a leaking/blocked master cylinder, leaking/blocked brake lines feeding each of those wheels, or a bad proportioning valve. To trouble shoot raise the bad wheel and crack open the bleeder valve, have an assistant apply the brakes if a nice clean steady stream of fluid comes out, MC is OK, and valve is OK, any bubbles of poor flow indicates leak in system. Very little flow bad MC or blocked lines/valve, etc.Do the same for the rear wheel and you should be able to determine the fault.

Feb 04, 2015 | 2004 Saturn VUE

2 Answers

Replaced some brake line, rear pads and one rear wheel cylinder. Now no pressure and nothing happening when trying to bleed.


Does the car have ABS ? And does it have an equalizer block for the 4 wheels ?
It sounds like the ABS has been affected, or there is an equalizer block that is stuck on the front wheels only.
Can you open the bleeder or the rear line on the master cyl and get fluid to come out by depressing the pedal ?

Jul 07, 2013 | 1997 Mercury Tracer

3 Answers

How to bleed brakes on a 2000 toyota tundra


Start with bleeding master cylinder, have some one pump pedal 3-6 times while lines at master are tight then loose fittings at master a few sec then snug repump aft each snug untill all bubbles are out you have to do both lines,

Mar 04, 2013 | 2000 Toyota Tundra

1 Answer

1991 buick park avenue brake problem had busted brake line on drivers side rear brake so i fixed it then bleed the brakes.aint getting no brake fluid comming out of the passenger side rear so took of the...


Hi Chris, The brake system is basically very simple. If you have duel braking on your vehicle, the usual method is having two brakes operate on the front with for example the left rear and the other system will also operate two front and the right rear. This type of system will have two calipers on each of the front wheels. The tandem system works in a slightly different way, having the forward part of the cylinder pressurizing the rear brakes and the rear part of the cylinder pressurizing the front. I think under the circumstances you are describing, I would have a friend sit inside and pump the brakes repeatedly until the system becomes pressurized (maybe twenty thirty times of pumping the brake pedal) and then ask him or her to keep it pushed firmly down until you find out where its leaking. The amount of brake fluid you report having been sed would indecate a severe leakage. Check the lower parts of the rear wheels for signs of leaking wheel cylinders and then dito for the front wheels. Any signs of wetness at these areas and along the brake system (the plumbing or pipe work) will indicate where the leakage is. If you cannot identify a wheel which is leaking, carefully inspect around and blow the master cylinder and if this no sign go along the fluid lines, taking special note of where the damaged pipe was repaired. If there is a blockage in the line, air may be trapped at that point causing difficulty in pressurizing. Once the place of leakage has been identified it must be attended to before bleeding the system. When bleeding, begin with the wheel furthest from the master cylinder, and work your way back to the master cylinder one wheel at a time, until you reach the closest.Keep in mind that you may find it required to pump the pedal many many times before opening the bleed nipple.Regards John

Oct 29, 2011 | 1991 Buick Park Avenue

3 Answers

Busted wheel cyl on rear wheel lost fluid now no pressure back there what do i look for


if it is the wheel cylinder that is leaking then it will have to be replaced and all the components cleaned with brake cleaner.depending how badly soaked the brake shoes are you may have to replace them also.you may have to heat the brake line that connects to the wheel cylinder,or even replace the line if it gets damaged.the bleed all the air out of the system,

Mar 17, 2011 | 1997 Dodge Stratus

1 Answer

My brakes had began to fail. I tried adding brake fluid, they got worse. So I took it in for repair to a local shop, they said I needed a new master cylinder and added one. I had been driving my car for...


1- New master cylinders could also fail, possibly due to bad quality replacement parts or maybe even just a factory fault on a good quality master cylinder.

2- If you had blown a rear wheel cylinder, you most deffinatly should still have had a form of front brakes. the reason for this is as follows... For this very saftey meassure manufactures design the container for the brake fluid supplying the master cylinder in two internally, so this would mean that if you where to drain all the brake fluid through the rear wheel cylinders an acceptable amount of brake fluid should still remain within the one compartment of the reservoir for the front brakes to still opperate.

3- Leaking rear wheel cylinders should have been noticed by the technician who installed the master cylinder, the reason for this is because the brake fluid would have had to be bled through the system at each wheel. even though it would have been performed from the back of the wheel one would expect the technician to notice the brake fluid dripping out behind the brake drum.

I hope the above is of assistance to you.

Regards.

Feb 21, 2011 | 2001 Ford Taurus

1 Answer

I need step by step instructions on how to bleed brakes on my 2005 toyota celica


If you don't have someone to help you you'll need to get a one man brake bleeding kit. The bleeding kit will take the place of the helper. IF you have a helper start with the rear passenger side wheel (furthest from master cylinder). Remove the wheel, have a helper sit in the vehicle and pump the brakes several times (motor off). Tell them to hold the pedal down while you open the bleeder screw. Tighten the bleeder screw before the helper releases the brake pedal to avoid sucking air back into the line. Repeat this process until the fluid flows out of the bleeder with no air. Then repeat these steps on each wheel. The order of bleeding is always furthest from the master cylinder. Rear passenger, rear driver, front passenger, and lastly front driver. After each wheel is done check the fluid level in the master cylinder and add as necessary. You don't want it to get low and **** air in from the cylinder.

Nov 06, 2009 | 2002 Toyota Celica

1 Answer

New brakes


Still have air inside, because you used gravity feed method.

Jul 17, 2008 | 2000 Chrysler Cirrus

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