Question about 1999 Ford Taurus

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Replace front and rear brakes and master cylinder. pedal still feels as air in the lines. have bled all four wheels

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  • Ford Master
  • 4,369 Answers

You need to pressure bleed then. Air is still trapped in the lines and calipers.

Posted on Jul 31, 2010

  • gerry bissi Jul 31, 2010

    likely the check valve on the master cylinder is preventing fluid from flowing to calipers. Try loosening the lines on the master cyliner and purging air from the master cylinder first.

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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

How do I bleed brakes on a dodge stratus 1998


  • PRESSURE BLEEDING
  • MANUAL BLEEDING
  • Print
    For vehicles equipped with an Anti-lock Brake System (ABS), please refer to the ABS bleeding procedure at the end of this section.
    The purpose of bleeding the brakes is to expel air trapped in the hydraulic system. The system must be bled whenever the pedal feels spongy, indicating that compressible air has entered the system. It must also be bled whenever the system has been opened or repaired. If you are not using a pressure bleeder, you will need a helper for this job.

    WARNING Never reuse brake fluid which has been bled from the brake system.


    MASTER CYLINDER

    See Figure 1
    If the master cylinder is off the vehicle, it can be bench bled.

    1. Secure the master cylinder in a bench vise.
    2. Connect 2 short pieces of brake line to the outlet fittings, bend them until the free end is below the fluid level in the master cylinder reservoirs.
    3. Fill the reservoir with fresh DOT 3 type brake fluid.
    4. Using a wooden dowel, or equivalent, pump the piston slowly several times until no more air bubbles appear in the reservoirs.



    0900c15280089cdc.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 1: Attach bleeding tubes to the master cylinder and position them as shown

    1. Disconnect the 2 short lines, refill the master cylinder and securely install the cylinder cap.
    2. If the master cylinder is on the vehicle, it can still be bled, using a flare nut wrench.
    3. Open the brake lines slightly with the flare nut wrench, while pressure is applied to the brake pedal by a helper inside the vehicle.
    4. Be sure to tighten the line before the brake pedal is released.
    5. Repeat the process with both lines until no air bubbles come out.
    6. Bleed the complete brake system, if necessary.

    If the master cylinder has been thoroughly bled and filled to the proper level upon installation into the vehicle, it is not necessary to bleed the entire hydraulic system.


    PRESSURE BLEEDING

    When bleeding the brakes, air may be trapped in the brake lines or valves far upstream, as much as 10 feet from the bleeder screw. Therefore, it is very important to have a fast flow of a large volume of brake fluid when bleeding the brakes, to make sure all of the air is expelled from the system.
    On Cirrus, Stratus, Sebring convertible and Breeze models, the following wheel sequence should be used to ensure that all the air is removed from the system:


    Left rear wheel Right front wheel Right rear wheel Left front wheel
    On Sebring coupe and Avenger models, the following wheel sequence should be used to ensure that all the air is removed from the system:


    Right rear wheel Left front wheel Left rear wheel Right front wheel

    1. You should use bleeder tank tool C-3496-B or equivalent, with the required adapter for the master cylinder reservoir to pressurize the hydraulic system for bleeding. Make sure to follow the manufacturer's directions for using a pressure bleeder.
    2. Attach a clear plastic hose to the bleeder screw located at the right rear wheel, then place the hose into a clean jar that has enough fresh brake fluid to submerge the end of the hose.
    3. Open the bleeder screw at least one full turn or more to get a steady stream of fluid.
    4. After about 4-8 oz. of fluid has been bled through the brake system and an air-free flow is maintained in the hose and jar, close the bleeder screw.
    5. Repeat the procedure at all the other remaining bleeder screws. Then, check the pedal for travel. If pedal travel is excessive or has not improved, enough fluid has not passed through the system to expel all of the trapped air. Be sure to monitor the fluid level in the pressure bleeder. It must stay at the proper level so air will not be allowed to re-enter the brake system through the master cylinder reservoir.
    6. Once the bleeding procedure is complete, remove the pressure bleeding equipment from the master cylinder.


    MANUAL BLEEDING

    See Figure 2
    Proper manual bleeding of the hydraulic brake system will require the use of an assistant.
    On Cirrus, Stratus, Sebring convertible and Breeze models, the following wheel sequence should be used to ensure that all the air is removed from the system:


    Left rear wheel Right front wheel Right rear wheel Left front wheel
    On Sebring coupe and Avenger models, the following wheel sequence should be used to ensure that all the air is removed from the system:


    Right rear wheel Left front wheel Left rear wheel Right front wheel


    0900c15280089cdd.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Fig. 2: With a clear plastic hose in a container of clean brake fluid, open the bleeder screw at least one full turn

    1. Attach a clear plastic hose to the bleeder screw located at the right rear wheel, then place the hose into a clean jar that has enough fresh brake fluid to submerge the end of the hose.
    2. Have an assistant pump the brake pedal 3-4 times, and hold it down before the bleeder screw is opened.
    3. Open the bleeder screw at least one full turn. When the bleeder screw opens, the brake pedal will drop.
    4. Close the bleeder screw. Release the brake pedal only AFTER the bleeder screw is closed.
    5. Repeat the procedure 4 or 5 times at each bleeder screw, then check the pedal for travel. If the pedal travel is not excessive, or has not been improved, enough fluid has not passed through the system to expel all of the trapped air. Make sure to watch the fluid level in the master cylinder reservoir. It must stay at the proper level so air will not re-enter the brake system.
    6. Test drive the vehicle to be sure the brakes are operating correctly and that the pedal is solid.

    May 31, 2012 | 1998 Dodge Stratus

    1 Answer

    I replaced disc brake pads, rear shoes. wheel cylinder,master cylinder, power brake booster all new. Question: My brake pedal is not solid,goes low to the floor almost. I have bled the master cylinder 1st,...


    Check your lines going to the brakes the rubber hose on the 1993 chevy have a tendancy to crack and brake are you using an excess of brake fluid

    Sep 12, 2011 | 1993 Chevrolet C1500

    1 Answer

    I replaced the whole back break line,as i try to bleed them i get fluid out of the front passenger side and the back driver side,but nothing out of the other two.whats the problem?


    Hi, your proportioning valve is stuck. Take the caps off and recenter the one stuck valve. Then rebleed the system using the procedure below. Thanks for using fixya.

    jturcotte_1047.gif
    For those of us who are not fortunate enough to have access to a power bleeding tool, the manual brake bleeding procedure will quite adequately remove air from the hydraulic system. The major difference between the pressure and manual bleeding procedures is that the manual method takes more time and will require help from an assistant. One person must depress the brake pedal, while another opens and closes the bleeder screws.
    1. Deplete the vacuum reserve by applying the brakes several times with the ignition OFF .
    2. Clean the top of the master cylinder, remove the cover and fill the reservoirs with clean fluid.
    3. The master cylinder must be bled first if it is suspected to contain air. If the master cylinder was removed and bench bled before installation it must still be bled, but it should take less time and effort. Bleed the master cylinder as follows:
      1. Position a container under the master cylinder to catch the brake fluid.
      2. Loosen the front brake line(s) at the master cylinder and allow the fluid to flow from the front port.




    WARNING Do not allow brake fluid to spill on or come in contact with the vehicle's finish as it will remove the paint. In case of a spill, immediately flush the area with water.

    1. Tighten the line connection(s).
    2. Have an assistant depress and hold the brake pedal.
    3. Loosen the line connection(s) again, allowing air to escape from the master cylinder.
    4. Tighten the line(s), then have the assistant release the brake pedal and wait for 15 seconds.
    5. Repeat steps D through F until the line(s) are free of air.
    6. When finished bleeding the air from the master cylinder, tighten the line connections to 20 ft. lbs. (27 Nm).
    7. Repeat steps B through H, only with the master cylinder rear pipe fitting(s).

    1. Refill the master cylinder with fresh brake fluid.



    WARNING Never reuse brake fluid that has been bled from the system.

    1. If a single line or fitting was the only hydraulic line disconnected, then only the caliper(s) or wheel cylinder(s) affected by that line must be bled. If the master cylinder required bleeding, then all calipers and wheel cylinders must be bled in the proper sequence:
      1. Right rear
      2. Left rear
      3. Right front
      4. Left front

    2. Bleed the individual calipers or wheel cylinders as follows:
      1. Place a suitable wrench over the bleeder screw and attach a clear plastic hose over the screw end. Be sure the hose is seated snugly on the screw or you may be squirted with brake fluid.
      2. Submerge the other end of the tube in a transparent container of clean brake fluid.
      3. With the help of an assistant, apply the brake pedal slowly and hold.


    During the bleeding procedure, make sure your assistant does NOT release the brake pedal while a fitting is loosened or while a bleeder screw is opening. Air will be drawn back into the system.
    1. While the assistant continues to apply pressure to the brake pedal, loosen the bleeder screw, and watch for air bubbles in the container.

    Be very careful when loosening the wheel cylinder and brake caliper bleeding screws. The bleeder screws often rust in position and may easily break off if forced. To help prevent the possibility of breaking a bleeder screw, spray it with some penetrating oil before attempting to loosen it. Installing a new bleeder screw will often require removal of the component and may include overhaul or replacement of the wheel cylinder/caliper.
    1. Tighten the bleeder screw.
    2. Instruct the assistant to release the brake pedal.
    3. Wait approximately 15 seconds, and instruct the assistant to depress the brake pedal again.

    Remember, if the reservoir is allowed to empty of fluid during the procedure, air will be drawn into the system and the bleeding procedure must be restarted at the master cylinder assembly.
    1. Repeat steps C through F until there are no air bubbles present in the container.

    1. Check the pedal for a hard feeling with the engine not running. If the pedal is soft, repeat the bleeding procedure until a firm pedal is obtained.
    2. If the brake warning light is on, depress the brake pedal firmly. If there is no air in the system, the light will go out.
    3. Once all the air is bled from the system, install the bleeder screw caps.
    4. After bleeding, make sure that a firm pedal is achieved before attempting to move the vehicle.

    Feb 14, 2011 | 1994 Pontiac Grand Am

    1 Answer

    How to bleed brakes on 1997 Saturn


    The brake system bleeding procedure differs for ABS and non-ABS vehicles. The following procedure pertains only to non-ABS vehicles. For details on bleeding ABS equipped vehicles, refer to the ABS procedures later in this section.

    WARNING Make sure the master cylinder contains clean DOT 3 brake fluid at all times during the procedure.
    1. The master cylinder must be bled first if it is suspected of containing air. Bleed the master cylinder as follows:
      1. Position a container under the master cylinder to catch the brake fluid.
      2. Loosen the left front brake line (front upper port) at the master cylinder and allow the fluid to flow from the front port.
      3. Connect the line and tighten to 24 ft. lbs. (32 Nm).
      4. Have an assistant depress the brake pedal slowly one time and hold it down, while you loosen the front line to expel air from the master cylinder. Tighten the line, then release the brake pedal. Repeat until all air is removed from the master cylinder.
      5. Tighten the brake line to 24 ft. lbs. (32 Nm) when finished.
      6. Repeat these steps for the right front brake line (rear upper port) at the master cylinder.
    WARNING Do not allow brake fluid to spill on or come in contact with the vehicle' finish, as it will remove the paint. In case of a spill, immediately flush the area with water.
    1. If a single line or fitting was the only hydraulic line disconnected, then only the caliper(s) or wheel cylinder(s) affected by that line must be bled. If the master cylinder required bleeding, then all calipers and wheel cylinders must be bled in the proper sequence:
      1. Right rear
      2. Left front
      3. Left rear
      4. Right front
    2. Bleed the individual calipers or wheel cylinders as follows:
      1. Place a suitable wrench over the bleeder screw and attach a clear plastic hose over the screw end.
      2. Submerge the other end in a transparent container of brake fluid.
      3. Loosen the bleed screw, then have an assistant apply the brake pedal slowly and hold it down. Close the bleed screw, then release the brake pedal. Repeat the sequence until all air is expelled from the caliper or cylinder.
      4. When finished, tighten the bleed screw to 97 inch lbs. (11 Nm) for the front, or 66 inch lbs. (7.5 Nm) for the rear.
    3. Check the pedal for a hard feeling with the engine not running. If the pedal is soft, repeat the bleeding procedure until a firm pedal is obtained.
    zjlimited_349.jpg

    Fig. 1: Loosen the front brake line in order to bleed the master cylinder

    zjlimited_350.jpg

    Fig. 2: Connect a bleed hose from the bleed valve on the front caliper to a jar of brake fluid

    zjlimited_351.jpg

    Fig. 3: Always follow the lettered sequence when bleeding the hydraulic brake system





    Hope this helps to solve it; remember to rate this answer.

    Dec 29, 2010 | 1997 Saturn SL

    1 Answer

    Replaced front calipers,master cylinder,front and rear pads and resurfaced all four rotors.I bled the brakes starting with right rear then left rear, right front then left front and still feels like there...


    did you bench bled master? if yes do you have abs system,if so you must bleed at abs block,if it has bleeders, if not then you must line bleed all 6 lines.2in from master 4 out to wheeles. then rebleed wheel in cylinder.If you have bleeders at abs block you dont to rebleed wheels. best dun with powerbleeder. hoooooops this helps

    Jun 12, 2010 | 2000 Mercury Grand Marquis

    3 Answers

    Bleed brakes but no pedal


    Good! You bled the master cyl. before installation! The proper order of bleeding the lines, is to start with the wheel the greatest distance from the master cylinder. Then work your way to the next greatest distance, and last, the closest wheel. Make sure all air is removed from the lines before you proceed to the next wheel, and frequently check the master cyl. level, because, as I'm sure you know, if you **** in air at the master, you have to start all over again. I'm assuming you don't have a power bleeder, so with a helper do this with car running (make sure it's on safety stands and not going to fall on you!) Pump pedal 3 times, no need to mash the pedal into the floor, just 3 pumps 1/2 way down, hold 3rd pump at half way down level while bleeder is opened, when flow is about to stop at bleeder, close bleeder and repeat til no evidence of any air. Let me know how it goes and if you need any help.

    Apr 21, 2009 | 2003 Pontiac Montana

    2 Answers

    2005 f150 spongy brakes


    possibly new master cylinder is defective

    Mar 24, 2009 | 2005 Ford F-150

    1 Answer

    2004 beetle brake problem


    hello rule of thumb never push pistons back on calipers without master cyl cover off pressure blows seal out on mastercylinder what you need do is from the firthest wheel pass rear bleed first then drivers rear then pass front to drivers side to mastercyl lines rear to front sounds like trapped air in proportioning valve with two people pump pedal up 3-4 hold take cover off master watch brake fluid take foot off brake pedal quick watch for air bubbles or small geiser like movement you need to work the air out reinstall cap repeat again if needed there shouldnt be any ripples when the peddle is let go if rear calipers have built in emergency brakes use emergency brake to wind caliper piston a few times goodluck

    Sep 18, 2008 | 2003 Volkswagen Beetle TDI

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