Question about 1986 Suzuki RG 500

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Front brake My front brake worked fine, just doing a tune up and replacing fluids. I bled out all of the old Brake Fluid, put new fluid in, and can not for the life of me get ANY pressure back in the brake lever. What can I do?? What might have happened?

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If you somehow introduced a large quantity of air into the lines it often refuses to simply bleed out (don’t ask me the science behind it as it makes my head hurt). You can squirt out fluid the standard way all day long and the air wont come out. There are several ways you can solve this. Either try bleeding out at every junction (from the top). Take off your banjo bolts and bleed the MC then down to your next banjo bolt junction etc. Messy but thorough. Or easier but expensive is buy a vacuum bleeding kit (as above) and just suck everything out from the bottom (careful to keep you reservoir full or you’ll do it all again!!!).

Posted on Nov 20, 2008

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Lacking brake fluid front driver's side


You mean leaking? It should be easy to see where it is leaking. Often it is the rubber hose attaching the steel tube from the car frame to the brake caliper on the wheel.
If you need to see exactly where the fluid is leaking out, just put a little fluid into the master cylinder reservoir, and look at the caliper on the wheel while someone presses the brake pedal. You should be able to see if the leak is from the hose, or the brake caliper.

The hose can be replaced for just a few dollars, but it is a job for someone experienced in mechanic work. Once the new hose is on (or the new or reconditioned caliper if that was leaking), the brakes must be bled, all four of them.

Nov 09, 2016 | Cars & Trucks

1 Answer

1997 mercury sable gs 3.0l replaced master brake, still having brake pedal feeling spongy and slowly traveling down. i bench bled master brake and bled brake right rear left rear right then front.


If the master cylinder is replaced, care must be taken to prime the new master cylinder by removing all of the air and completely filling it with brake fluid. The spongy feeling is air that is still in the circuits. You will need to bleed the back brakes as well as the front ones again. The order that you bled them seems correct, but perhaps there remained some air in the main trunk lines.

For the best results 2 people are needed. Start at the further distance wheel cylinder and bleed at least three (3) master cylinder reservoir volumes of fluid (back brakes). Bleed the fluid with use of a piece of tubing attached to the bleed port that is long enough to reach almost to the bottom of a long neck or tall clear jar (clear drink bottle works well). When the bleeding begins, after one or two brake pedal pushes, make sure that the end of the tubing is below the surface of the fluid and keep it under. It best to have a clear bleed line (to observe air). Keep pumping the brake pedal while being careful to not completely empty the master cylinder reservoir (leave 1/4 full always). Repeat the same technique for each wheel cylinder with at least two (2) reservoirs full for front brakes. Partially close the bleed ports when almost finished (at least 5 pedal strokes without exit of any air). Completely close the ports during the down stroke of the brake pedal, with the tubing still attached. Be sure each bleed port is closed snuggly.
Most of the brake fluid can be reused, but not the darker portion at the bottom of the jar.

Oct 09, 2016 | 1997 Mercury Sable

1 Answer

BRAKE PEDAL GETS HARD WHILE BREAKING


brake switch bad, system needs bled, rear brake circuit probably has air in fluid, fluid is no doubt contaminated, nobody addresses this maintainance problem, bleed entire brake system, replace all fluid w/ new. if fluid in the master cylinder is black, seals are bad, some brake systems have a pump as part of master cylinder, these pumps run off fuses , 25amp, etc., check what system you have. is your fluid level correct ? the switch I refer to is @ proportioning valve below master cylinder @ frame, see abs brakes use this valve to prevent skidding, rear brakes must come on first, before front brakes. if valve is not in balance a hard brake pedal occurs, as with low fluid levels. does your brake light come on ? @ dash. have a brake shop bleed your system, if there's a problem they'll find it for you, let them do it, don't wast your time.

Jan 13, 2013 | 1994 Toyota Land Cruiser

1 Answer

I have a clean 4x4 v6 pickup. It had the orig. brake master cylinder and obviously never had the brakes bled. It started using brake fluid like a bottle every 2 weeks. No caliper or wheel cylinder was...


suggest you "look" for fluid loss issue. fluid has to go somewhere right? either a bad rear wheel cylinder.which inside of rear tires will be wet with brake fluid..either passenger side or drivers side. or a bad brake caliper on the front.which will tell on itself by leaking fluid onto the ground when brakes are applied..brake fluid leaking will tell on itself by inspecting the inside of each tire,on the inside of the tires,front to rear. thank you for choosing fixya.com.

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2 Answers

How do you bleed the brakes on a 1996 pontiac sunfire se


right rear,left rear,right front,left front wheels.

Jan 19, 2011 | 1996 Pontiac Sunfire

1 Answer

Ok maybe you can help i have changed master cylinder front right rotor and caliper all pads and shoes on drums and power brake booster and can not get the brakes working ...we have bled and bled and bled...


bleeding hydraulic lines is tricky. get someone to help you. get a big bottle of brake fluid, and don't be stingy.it takes a lot of pumps to pass air from front to back of truck. start at the furthest wheel and bleed first. use a clean water bottle punch 1/4' hole in cap use 2 ft of clear 3/16 tubeing, stick it in the cap and submerge in the water bottle which you will fill 1/3 with brake fluid. by submerging the end of the tube this will allow air to bubble out, but it will **** fluid back.you can see the air bubbles come out. All the while someone keeps an eye on the mastercylinder, do no let the mastercylinder run out or you will pump new air in....keep toping off and pass plenty of brake fluid. You will end up with no air and brand new brake fluid

Nov 03, 2010 | Chrysler Fifth Avenue Cars & Trucks

1 Answer

Install new brake pads and rotors all 4 wheels. Replaced front 2 calipers. Bled brakes. New clean fluid coming out. pedal is still soft and goes to floor. 200 Seebring.


Are you losing any Brake Fluid? Is it visible anywhere at the four wheels? Is it visible anywhere else?
The Master Cylinder may be defective. When you bled the Brakes did you maintain proper Brake Fluid Level in the Master Cylinder? If you didn't: and air entered into the Master Cylinder there maybe air within in the system in the Master Cylinder. You can bleed the Master Cylinder by removing the brake lines, adding more fluid, pumping the brakes, bleeding the air out of the system.
Are you losing Brake Fluid and can't find a noticeable leak? Then there is a good posibility that the rear seal in the Master Cylinder is leaking and the Fluid is going into the Brake Booster - which is the large wheel shaped drum located on the fire wall. In this case both the Brake Booster and the Master Cylinder will have to be removed and replaced. The Booster contains seals that Brake Fluid is very caustic to and will ruin these seals- causing future failures.
If no Brake Fluid is lost, no leak found: Check the Brake Booster Vacuum Advance. This should be connected to the outside of the Booster, attached to a hose, with the hose going to the engine. Check to see if this is working properly. Replace if needed.

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2 Answers

1994 Jimmy - Rear brakes are dominating after brake job


You need to bleed the whole system. Once this is done it should work better. Make sure you are not low on brake fluid. If the front brakes are disk brakes and the rear are drum breaks, the front really does most of the stopping, the back jjust keeps the car from spinning or swaying. But the main stopping power is in the front breaks. They need to be bled correctly, make sure brake fluid is up and make sure emergency break is not engaged. The emergency break uses a lever and cable to activate the rear brakes. The emergency breaks don't run off brake fluid...

please give good ratings, they are very important...

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2 Answers

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Try using a pressure bleeder. It will force the air out. Works every time.

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