Question about Oldsmobile Delta 88

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Repair brake line. need to bleed back brakes, how?

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  • young tim Nov 25, 2008

    changed front brakes now my brakes dont work



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Drive it to shop, leave it there, return with money.

Posted on Jul 31, 2008

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Have someone sit in the car and pump the brake pedal about ten times, there is a bleeder on the wheel cylinder (back of brake assy or on top) it is a nut with a nipple on it with a hole in the center, you may need a special wrench, open the bleeder until the brake pedal sinks to the floor, then tighten while the pedal is still on the floor, caution don't release the pedal until the bleeder is closed, start at the RR wheel bleeder, do all four wheels in this order RR, LR, RF, LF. top off the master cylinder fluid tank after each wheel and before you start the job, don't get the fluid on the paint, if you do wash it off with water right away or it will take the paint off the car. OK, go to it!

Posted on Jul 31, 2008


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Why does my brake pedel go down after I replaced my master cylinder?

Did you properly refill the brake system? Did you bleed it to get rid of air?

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I had a brake hose replaced on my 2007 Mercury Mariner Hybrid and now the brakes ABS message and the service brake light comes on. The brakes are very soft. The repair place was having a hard time getting...

Take it back to the repair shop and have them re-bleed the brake line...sometimes air in the line can cause a "spongy" brake peddle.
No matter what , its the responsibility of the repair shop to fix it.

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What the brake bleeding sequence for my 95 prizm? How do I know if the brake lines need to be repaired?

all basics....
longest to shortest order. just look at lines you can see where they go in 5min.
rusted or leaking or crushed lines are bad. super basics.
damaged, no , only the bleed valves were touched and yes they do break, and for sure in salt belt. (wiki that)
its needs bleeding,
if the MC and slaves (all parts) dont leak there is air in the system.
if all air is out (i use pressure bleeding) but if all out, then the MC is bad.
spongy is always air , bleed again, repeat.
get a book on brakes, see how to do bleeding 6 ways.
some ways are better, or like me I use 3 ways.
keep in mind , air wants to float up, and tell me which way are you using... 2man way? opposite of the float rule?
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No Brakes

I am suspicious as the brake system is repairable by some one who knows their business. Replace the brake master cylinder and any leaking cylinders and the system only needs bleeding correctly again. Start at the longest line first and work back to the shortest. The quote is way over the top unless there is an abs in the system. I would get a second quote anyway and get a list of the work that needs to be done

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Golf not braking on rear brakes also no pedal

You say you filled it with fluid after the repairs. You must also "bleed" the brake lines to purge any air that is trapped in them. Brake fluid provides the hydraulic compression that causes the brake pads to clamp to the brake rotor/drum. Air in the lines will prevent this as when the brake pedal is pressed, the fluid will simply pressurize the air in the lines and not activate the caliper/wheel cylinder. The reason you have front brakes is that modern vehicles have dual-reservoir master cylinders to prevent total brake loss in the event of a leak. This is why you still have front brakes as there is no air in those lines. You will need to bleed the rear brake lines at BOTH rear wheels to purge air rom the system. The procedure is fairly simple, though some cars with ABS have to have things done differently. I would recommend you check an online forum for you vehicle (simply Google "bleed rear brakes 20xx VW Golf) and see what comes up. It is easier to do with two people, but one can sometimes pull it off.

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I replaced my front brake router and brake pads today. when i bleed the front left brake, a line which im assuming is a brake line near the rear left tire burst and is leaking brake fluid. when u tried...

First, there is NO Pumping of the brake pedal
involved in bleeding brakes

I think your smart enough to know you
need to replace both rear brake hoses,
before you proceed with the bleeding

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1 Answer

My brake fluid resevour empied quickly. I did not notice until my brakes hit the floor. I filled the resevour but didn't bleed the brakes. How easy is the process, what tools do I need? I've bleed brakes...

Do not drive this car!!! And do not attempt to bleed the brakes on this car!!!!!
There is a LEAK in the Hydraulic system- that`s why the pedal went to the floor.
Most probable cause is rusted / weak brake lines under beneath the car. Once these lines leak, you have to replace them. This is my guess taking into consideration the age of your car. Other possible causes could other Hydraulic components. Please have your van towed to your repair shop for further inspection and an estimate. If you have CAA or other towing memberships, this will be the right time to tow your van. Adding more fluid or bleeding the brakes will NOT help you here. Hydraulic pressure is lost and repairs must be done to bring back your brake pedal..
Be safe to yourself and other`s -TOW your van....

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1998 Durango, replaced brake line that was rusted in two, (was long line under drivers side to rear) bled all four brakes, abs and brake light are now on and will not go off. Have read it could be rear...

Dear Brake Line....
I read your paragraph and if this brake light was never on previously to the brake line repair....then all it sounds like to me is that you have air enclosed in the braking system still. I would strongly advise that you bleed the braking system again....also bleed the master cylinder if you replaced a line of the master cylinder make this easier on you your local auto parts store makes what they call one man bleeders that you can buy then install to bleed the system then remove and replace with regular brake bleeders.....just do a quick double check also to make sure that the line you replaced doesn't have any brake fluid leaking out also...any questions get back to me.....HOPE I COULD HELP!!!!

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