Question about 1997 Chevrolet S-10 Pickup

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I have good fluid pressure coming out of the master and going to the pump. i have no pressure coming out of one rear line at the pump.

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There is an equalizer valve just below the master cyliner ,try tapping it with both the brake pedals pushed and released.it need to center before you will get pressure.

Posted on Jul 24, 2009

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2000 electraglide, trying to bleed brakes on the rear master cylinder. I take the cap off master cylinder put a hose on bleeder valve, pump up break and hold it down crack the valve and nothing comes out....


does the pedal have pressure then go down after valve is cracked? With a hose on the nipple to a bottle to catch the fluid, press rear brake pedal down. Don\'t pump the brakes. Crack the bleeder valve while continuing to press down on the pedal. Once the pedal reaches the limit of its travel close the valve. Once the valve is closed; and not before; release the pedal and let it return to its at rest position. Repeat this process until you have good pedal without the need to pump, good clean fluid is coming out the valve, and no air is in the fluid coming out the valve. Be sure not to let the fluid in reservoir get too low or you will suck in air and need to start over and don\'t press the pedal too quickly or you can shoot a stream of brake fluid out the reservoir.

In very extreme cases, if you have lost prime in the master cylinder, it may be necessary to bleed the master cylinder first. THIS IS A LAST RESORT. Remove the brake line from the master cylinder. Try to limit the loss of fluid from the brake line to bare minimum. Thread a nipple into the master cylinder. Run a hose from the nipple into the reservoir. Be sure the hose stays submerged in the fluid in the reservoir and pump the brake until no bubbles come out the hose. Remove the nipple and reinstall the brake line. Slowly press down the brake pedal while tightening the line to minimize the air bubble in the brake line. Again be sure not to release the pedal until the line is tight. Then proceed to bleed the brakes as you normally would. Do not pump the brakes up. Just press the pedal down, crack the valve, close the valve, release the pedal, repeat.

Aug 24, 2014 | Cars & Trucks

1 Answer

90's Honda civic no pressure in the brakes replaced the master cylinder bled the lines still no pressure. What am I missing? Please


AFTER BLEEDING THE MASTER CYLINDER ON THE BENCH, DID YOU BLEED IT IN THE CAR, IF NOT, OPEN THE LINE AT THE MASTER 3/4 TURN OFF, HAVE SOMEONE STEM ON THE BRAKES, DO IT SEVERAL TIMES UNTIL YOU SEE FLUID ON BOTH LINE NO AIR COMES OUT, THEN WITH THE KEY ON START FROM THE RIGHT REAR WHEEL , SOMEONE PUMPS AND HOLDS THE BRAKES AND YOU OPEN THE BLEEDER 3/4 TURN, THEN LEFT REAR , THEN RIGHT FRONT AND LAST LEFT FRONT, IF NO PRESSURE AFTER OPENING 4 OR 5 TIMES, OPEN THE SYSTEM BY THE BRAKE HOSE, BEFORE THE CALIPER, IF PRESURE THERE REPLACE THE HOSES. 14 YR OLD HOSES MAY BE INTERNALLY CRACKED. NOT ALLOWING FLUID TO GO THRU.

May 28, 2014 | Cars & Trucks

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

I tried to bleed the brakes rf good lf no fluid comes out.replaced rf line working good,pulled line from master cyl. and pulled bleeder valve no fluid. i have a 99 cavilier with abs,any idea.i havent tried...


Im confused first thing is to connect all lines, fill master and start bleeding at master, have someone pump brake three times and hold, open line at master allow fluid or air to flow and close, do not leave open to long,after 3 sec of fluid flow close line. you will do this to every line on the master. pumping the pedal three times and holding down pedal every time you open the line , after bleeding master you will then go to the left front as this is the brake with no fluid flow. you will make sure brake fluid is full always check after a few bleedings.

Remove the bleeder screw and place finger over the hole. tell them when to go down and when to let up, this may take a while if a lot of air is in system, remove finger and tell them to push down then put finger over hole and tell to release then tell them to push as they push release finger, you will need to do this until you get fluid flow making sure when pedal is released that hole is covered with finger so that air is not sucked into system. once you get a flow you will put bleeder in and bleed that wheel, if bleeding is good you will then bleed system starting at rt rear then left rear and then rt front and last left front.

Dec 25, 2012 | Cars & Trucks

1 Answer

I have changed the rear rotors and brake pads, bled the brakes after putting itall back together. Seemed to have brakes but then shortly thereafter they are like a sponge. Last time I tried bleeding them...


Hi, bleeding your rear brakes with engine running, you should get enough pressure out of the lines to squirt 3-4 feet. In other words, good pressure. If all you get is a trickle, you probably have a bad master cylinder. Just because its full of fluid, does not mean the seals arent shot. If you have bled them in order, left rear,right rear,left front,right fornt and have bled them enough to get fresh fluid out of each one without achieving good solid pressure at all wheels, replace your master cylinder. There is a proportioning valve, but usually it will affect only one wheel when going out, usually the left rear.
Brake pedal height comes from the rear brakes, so if you have bad pressure there, you will never get a good pedal. Eventually with a bad master, your brakes will go completly out..Mike

Jun 20, 2011 | 2001 Dodge Ram 2500 Truck

1 Answer

Bleeding the brakes ,But no fluide in the rear brakes


Check the master cylinder, pump up the brakes and crack the line at the master cylinder to the rear brakes, if no pressure and it was ran empty or is new part, bench bleed the master cylinder and recheck for pressure at the master cylinder, if you have pressure follow the brake line to the proportioning valve and crack that line before and after the fitting, good luck.

May 09, 2011 | Suzuki Sidekick Cars & Trucks

1 Answer

No brake fluid to the rear wheel cylinders


You'll need to start bleeding the brake system at the Master cylinder to determine where the problem lies.

The lines coming out of the master cylinder will need to be loosened & bled there, initially you can just do the back ones to identify the problem, but once fixed, the system will have to be bled from the Master cylinder first, then the farthest wheel from it, then next farthest, then next, until you do the drivers wheel last.

This method of bleeding the brakes prevents air from crossing from one line to another, causing air to be left in the system.

Back to bleeding the rear brakes first: As someone pumps up the brake pressure, making sure the resivoir stays full, with the cap on between bleeding, and have the person pressing the pedal to do these thngs.
1. Always move the pedal slowly, pressing and releasing.
2. Never release the pressure on the pedal after bleeding a brake, until the line is tightened, then release slowly to prevent air from getting into the fluid.

You should of course get fluid at the master cylinder when you bleed it (or just replace it), then you'll need to bleed the line at the right rear wheel (first) a few times to get fluid if it's been leaking, then the left rear wheel. If you get pressure but no fluid to the rear and the master cyliinder did have pressure released when you bled it, there is either a restriction in the line itself, or the porportioning valve could be damaged. (unusual for the valve to go bad actually, inspect lines for damage such as being pinched if you're getting pressure but no fluid.

Final test if it hasn't been resolved-remove lines at porportioning valve & make sure fluid is leaving/entering there as it should. If you find it defective, a good replacement can come from a salvage yard, or you can buy them new.

Brake fluid on the floorboard under the dash near the brake pedal=bad Master Cylinder.

good luck

Feb 21, 2010 | 1996 GMC Jimmy

1 Answer

What is the proper way to bleed my rear brakes?


There are to ways to blled your rear brakes first way is a gravity bleed take the top off the master cylinder fill it with brake fluid then open both bleeder screws on the rear once you get a flow of brake fluid coming out you can close them fill up the master and dont forget to pump your brakes before you start the car or you can have someone sit in the car and do the pump down method. Have that person pump the brakes until the pedal is hard tell them to push down on it you open the bleeder screw and the pedal will go to the floor and fluid will come out of the bleeder screw advise that person to not let the pedal go until you close the line once you close the line do it again til you get a straight flow of fluid coming out then repeat the same thing on the other side, Always start on the rear passenger side then the rear drivers side and keep an eye on the master cylinder you dont want to run it dry and when pump bleeding it the top should be on the master. Good luck

Jul 30, 2009 | 1996 Mercury Cougar XR7

1 Answer

Bleeding rear brakes there is no fliud coming out caliper


check fluid in master, low level sucks air, if fluid and still no go, disconnect rear line at master and pump once should sparay all over if yes clogged line if no bad master

Jul 06, 2009 | 1995 Buick Regal

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