Question about 1991 Ford Thunderbird

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1991 ford thunderbird SC power brake problems

The power brakes do not work at all bleed the front brakes just fine but when i bleed the back i got nothing out so there is no fluid to the back the night before they worked

Posted by george marshall on


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william marley

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  • 9 Answers

Take the cap off of your master cylinder fill and open the bleeders on the back brakes and let them gravity bleed

Posted on Jul 12, 2012


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  • 957 Answers

SOURCE: spongy brakes

Does sound like you need a new master cylinder. On a 2000 you wont need to back bleed. You will just need to follow the instruction and bleed the master and all four points. you will probably need to bleed the ABS block and proportioning valve but only if they have bleeders on them.

Posted on Jun 01, 2009



  • 1 Answer

SOURCE: brake pedel hard,can't get fluid to back brakes,

You need to replace the round Ball (accumulator ball). It's not holding pressure. You have front brake only. Is the pedal hard as a rock, the red brake light stays on, abs light stays on?
Check out this sight.

Posted on Jul 14, 2009

Robert l Slater

  • 2 Answers

SOURCE: Brake light, Turn signal not working rear right 06' Focus

I have a 2000 ford focus no brake lights. with the brake lights the transmission would not go into drive .replaced the brake light switch checked fuse replaced turn signal switch with no results then i moved onto the wiper switch and replaced it as much to my supp rise it fixed the problems

Posted on Aug 06, 2009

Bruce Hathcock

  • 3600 Answers

SOURCE: I replaced my brakes and now they brake fine but

You have a new defective master cylinder, happens all the time. pull it off and take it in for an exchange and buy new not rebuilt. The rebuilts do not last.

Posted on Sep 21, 2009


Paul Dalton

  • 361 Answers

SOURCE: how to bleed braked on 1998 ford explorer

It will take 2 of you. 1 fill up the resevoir.2 you need to open the bleed nipple on the furthest brake from the master.3 have somone pump the brake once then close the nipple have them pump it again and hold their foot down on the brake, while they have their foot down on the brake open the nipple untill all of the air and fluid comes out, then close the nipple. Make sure you keep the resevoir topped up. Do this severel times until only fluid comes out of the nipple. Repeat on all of the wheels. You can buy a kit that pressurises the system so you can do it on your own but they are expensive for a 1 time deal.
Good luck.

Posted on Jul 20, 2010

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2 Answers

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When i step on the brake pedal it goes all the way down, what's wrong?

You have air in your brake lines. Try inspecting the system for brake fluid leaks. Replace any worn out brake pads, scored discs, leaking brake piston seals, etc.Now place a clear tube on the bleeder screws, one at a time , and bleed the air out of the system with the help of a friend to push the brake pedal. Start at the rear wheel cylinders and finish with the front calipers. Once the air is out of the lines the pedal should firm back up.

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I replaced master cylinder bleed brakes back brakes working but no brakes front . No brake fluid on bleeders in front . What next to do . Toyota cressida 1985 2.8i automatic

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It takes time, do you know the sequence to bleed the brakes? Most cars r different. And you have to keep pouring brake fluid, That is a two person job. Make sure all lines r connected to MC and not leaking. After a while if nothing comes out MC could be diffective.

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hello i think you should have the system power bleed with a power bleeder theres a good chance the plunger in the proportioning valve is sticking if you have this truck power bleed it will push out the old fluid replacing with new usually if theres any type of contaminates especially oil ,or power stewering put into master by mistake it would swell any rubber piece to the point of a hard pedal and nothing working then you would have to replace everthing like your being told the only thing you could still use would be the lines wich would have to be cleaned with denature alcahol i would have it bleed in sequence firthest tire down to the closest to the master goodluck

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