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Posted on Mar 03, 2018
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92 regency with abs...rear brake line broke, replaced line and bled line.. no pedal. i bled all the lines, bench bled the master cyl and the abs manifold and still have nothing unless i pump the brakes 3 times and then i only have rears...nothing in the front. i'm totally frusterated

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Kenneth Walker

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  • Expert 293 Answers
  • Posted on Mar 03, 2018
Kenneth Walker
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Nothing in front is a clue. Check all front steel lines for pressure leak, rust or corrosion at connections. I am not a mechanic, but have been told that brakes should operate as normal, even if the abs light is on, The abs is, kind of, a second brake system. (Unless there is a major problem, this secondary system should not cause a problem with the main brakes.)

Rigger DeBusk

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  • Oldsmobile Master 1,811 Answers
  • Posted on Mar 03, 2018
Rigger DeBusk
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Brother, it's just the fact that there is STILL air in your system. Just fill the master cylinder, open the left front line and let it run into a bottle to catch it for a bit until you know for sure all air is gone from that line. Then do the same with the right front. Then the left rear, then right rear. This is gravity bleeding, no pumping required. It's the only way to know for sure that each wheel cylinder and line is free of air. Only let the master cylinder drain down about half way each time the tighten each bleeder. Refill with the drained fluid. Be patient my friend, it takes time to do it right, but it works for me every time. Good day.

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5 Related Answers

Anonymous

  • 108 Answers
  • Posted on Mar 18, 2009

SOURCE: 92 dodge van rear ABS-brake and ABS lights on/can't reset?

Its probably how your bleeding your brakes, but first make sure the bleeding nipples are facing upward. You should bleed diagonaly, front pass wheel then rear driver wheel. Then front driver wheel and rear pass wheel. The abs light has its own computer your have to get it scanned to clear the codes and turn off the light

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Anonymous

  • 7353 Answers
  • Posted on Oct 19, 2009

SOURCE: 95 olds cutlass supreme sl with 3.1 6 cyl. ABS and

you may have a ABS problem. I would drive it and attemp to skid the tires an dsee if the pump activates. sometimes this will unstick any valves inside the ABS unit. you may need to have a qualified repair shop check deeper. the ABS will have a code, and a scanner will be needed to check further.

William Charnigo

  • 615 Answers
  • Posted on Oct 24, 2009

SOURCE: no brake pedal on 1997 acheiva. changed abs master

Could be a stuck solenoid in the EBCM.

Anonymous

  • 1033 Answers
  • Posted on Jan 23, 2010

SOURCE: we have replaced the master cylinder and a square

When bleeding brakes you start with the wheel farther away from the master cylinder, this pushes air and fluid to the master cylinder. then the same with the next farther. Keep an eye on the fluid level in the master cylinder.

Mike

  • 4383 Answers
  • Posted on Sep 05, 2010

SOURCE: i have no brake fluid leaving the master cylinder/

Your description does sound like M/C issue, but the amout of fluid is not much, that comes out...

It is brakes, so forget it and just replace the M/C. Also, pick up enough fluid to bleed all brakes and GET A M/C BLEED KIT, which are little hoses that screw in where brake lines attach to M/C, and route into the brake fluid reservoirs...Bleed until no air, then carefully remove one at a time, and install the brake line.

Now, do not allow M/C fluid to drop, or start all over again....

So, now continue bleeding at each wheel. At the end of it all, you want to do a "lift your **** off the seat" application of the brakes, as hard as you can. If the system passes this test, it usually will be good.

I presume that you have inspected each brake and found no faults...leaks, or anything.

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I have a 23 t bucket and i cant get a brake pedal.when i bought it had very little brake so i replaced rear shoes and cylinders,front pads and calipers,all new lines and the master cylinder

Once you have bled the air from the brake lines,clamp off the front brake hoses carefully.Does the pedal feel better now?
Then the pad /caliper fit is allowing too much play.Is the pedal the same?Then clamp the rear hose and try the pedal.Is it fine with the rear hose clamped?If so we now know the problem is at the rear brakes.One common low pedal rear brake cause is brake shoes that do not fit the drums.Remove the drums and look at the shoes,are they showing contact wear fully or just in the middle of the shoe?Remove a shoe and place it in the drum.Can you rock the shoe against the drum surface?Once drums have been resurfaced,the shoes will not fit fully against the drum allowing the shoe the flex when applying pressure to it and this can easily create a low soft brake pedal. Of course rear brake adjustment must be correct once brake shoe contact is correct.To correct brake shoe contact,have your shoes re arc-ed to fit resurfaced drums or install new drums.Don't overlook brake master cyl /brake pedal push rod adjustment too.
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94chevy 1500 can't get the rear brakes bled

I had a experience with a car that REFUSED to let all air out its lines, and a friend of mine bought 4 vise grips, and gently grabbed the three hoses (from each wheel) that where not beeing bleed.
first he grabbed all four wheels, and notices a slight mush on the pedal and said that the master cyl was not properly bleed, he bleeded the cyl in a bench, then assembled the cyl and now the pedal was very stiff, then procedded to remove rear-right hose, and the pedal almost went to the floor, THERE WAS THE BUBBLE!, and bleeded acordingly, then reatached the vise grip on the OK line, and released the one on the rear-left, slight mush and bleeded, and so on. each time he tested for possibly air bubbles in each sector (master cyl, or lines, or caliper or aux cyl itself).
BUT!, IF your master cyl is NOT pumping fluid to the rear, probably the proportioning valve is broken (if yours has ABS, might the abs valves are dirty, and thus NOT closing and letting pressure go other way, because a failed abs pump SHOULD behave transparently, I mean , not interfering with the braking operation)
get quality FLARE WRENCHES, because the air bubble MIGHT not be right in the bleed bolt in the caliper/aux cyl.
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Brake line busted somewhere? Is the linkage to the master cylinder intact? Master cylinder might have been installed incorrectly.
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No brake pressure...

I would keep bleeding. If there is not any brake fluid leaking, there must be air in the system. with the master cyl cap off, open one bleeder valve on the front and let it bleed for 10 mins. close and repeat with the rest. there must be an air bubble in the system! good luck
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H!i I need some info about a 2000 daewoo leganza SX. I have replaced the rear calipers, master cylinder, and booster, but I am still having issues about the brake pedal being soft. The front calipers are...

did you bench bleed the master cylinder before putting it on car ! if not, you have air trapped in the lines and it needs bled out. if there is no leaks in system. have a good day !
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I have a 1990 camaro rs with no fluid/pressure at rear brakes. The pedal don't move when bleeding the rears. I have replaced rear wheel cyls/lines and a new master cyl. I replaced master because pedal was...

Make sure the master cyl is mounted flush against the firewall, If you put spacers or washers in the wrong place the plunger won't go all the way in.
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Brake pedal goes too far to the floor on initial application, pumping brings the pedal up, bled several times

Sounds like an internal leak in the master cylinder, an external brake fluid leak (such as a leaking brake line), or extreme misadjustment or binding of the calipers or drums. Any could be the case, and you can eliminate the last 2 rather easily. Do you see any sign of fluid coming from any of the brake lines? If not, move to adjustments. Check the calipers for bound up caliper pins and if equiped with rear drum brakes, the adjustment and condition of the rear shoes. After that, go right for the throat and replace the master cylinder. Be sure to bench bleed it before you install it, and if you have ABS, make sure you also bleed the ABS system, OR if you can't bleed the ABS system have the new master cylinder ready to install, and remove the brake lines as quickly as possible from the old master and have a friend hold thier fingers over the ends of the lines. I do this quite a bit at my shop, and it's VERY rare that I actualy need to bleed the ABS after replacing a master cylinder if little to no air gets in the brake lines.
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I have a 92 chrsy. 5th ave with no antilock brakes. just base brakes with rear drums. replaced master cly. due to leaking and replaced all the brake lines and hoses. i have good streams of fluid from all 4...

When you bleed the brakes are you starting with brake furthest from the master cylinder? Also was the master cylinder bench bled? If everything there is okay and you are not getting any air in fluid stream, you could try bleeding the brakes by having some one slowly pump the pedal till it is firm. Then have them let off open first bleeder valve and slowly depress to floor and hold there untol the valve is closed. repeat this at all bleeders. You may want to have car running to do this. Try this and let me know.
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SOFT BRAKE PEDAL ON MY DAEWOO

MAKE SURE THE ARE NO OTHER LEAKS.IF U DID NOT BENCH BLEED THE MASTER CYLINDER BEFORE U PUT IT ON U PROBLEBLY HAVE AIR IN THE SYSTEM.BLEED THE MASTER CYLINDER AT THE LINES THAT COME OFF OF IT.THEN U NEED TO BLEED THE REAT OF THE BRAKES IN THIS ORDER.RIGHT REAR,LEFT FRONT,LEFT REAR.RIGHT FRONT.WHEN BLEEDING THE BRAKES WAIT 15 SECONDS BETWEEN PUMPS OF THE BRAKE PEDAL.IF U GO TO FAST U CAN DAMAGE THE MASTER CYLINDER.GOOD LUCK
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Changed master cyl

Sounds like you still have air in the lines - I don't know how you bench bleed the brake lines as they are supposed to be attatched to the car. I would suggest using something like a vacuum bleeder (abt $35) and bleed each wheel starting from the furthest line to the closest to the master cylinder. While you are doing that, check to make sure there are no leaks anywhere.
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