Question about 2001 Ford Windstar

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Air in brake system how do i bleed system - 2001 Ford Windstar

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For the home mechanic I recommend having a helper with this procedure.

First, make sure that all of the dirt, grease etc are removed from each of the bleeder screws. A quick shot of brake cleaner will normally take care of this issue.

Make sure you have ample fluid of the correct type available.

You may need to jack up the vehicle and remove the wheel/tire for access. Make sure you use jackstands if you have the vehicle lifted for your own safety,

Start by topping up the master brake cylinder, check it after each bleeding operation and top it off - DO NOT ALLOW it to be emptied.

Place something about 2" inches tall, block of wood would work, beneath the brake pedal. You do not want the pedal to go all the way to the floor. Begin with the left front, have your assistant pump the pedal 3-5 times and then hold it with pressure. Open the bleeder valve allow the air/fluid to escape. Repeat this three times or until you have a solid stream of fluid from the bleeder valve. After three times, re-check the master cylinder and top off if needed.

Move to the right front, then left rear and right rear. On older vehicles with a single master cylinder this pattern is a little different. With newer vehicles and the dual master cylinders this pattern works every time.

The pedal should feel much stiffer when the bleeding is completed. Remove the block of wood, replace wheels/tires and then very carefully move the vehicle testing the brakes. You may see the ABS light on your dash, but once the ABS valve recenters itself, the light should go out.

Posted on Apr 27, 2010

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It is helpful to have two people to do this. Also helps to slightly raise the end of the car you are doing. There is a bleeder valve for each wheel that you access from the back. Usually about an 8mm wrench will work. pump the brake until the pedal is hard and hold pressure the open the bledder valve (counter clockwise) and shut it right away so no air gets in. You will make a mess because brake fluid will spray out so be prepared. Make sure the fluid level is watched and keep adding fluid of air will get in there too. If this is helpful please reply and good luck

Posted on Apr 27, 2010

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Brakes went out,master cylinder is dry. filled the master cylinder pumped brakes and bled rear drivers side


    If there is a substantial fluid eruption, there are air bubbles still trapped in the system. You must repeat the bleeding procedure to remove that air. A modest disturbance in the fluid returning to the reservoir indicates a properly bled brakesystem.

    How To: Bleed Your Brakes - Feature - Car and Driver

    www.caranddriver.com/.../how-to-bleed-your-brakes-feature Car and Driver
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How To: Bleed Your Brakes - Feature - Car and Driver

www.caranddriver.com > Features

Car and DriverIf there is a substantial fluid eruption, there are air bubbles still trapped in the system. You must repeat the bleeding procedure to remove that air. A modest disturbance in the fluid returning to the reservoir indicates a properly bled brake system.

How to Bleed Brakes - Tips on Bleeding Brakes

Jan 01, 2016 | Cars & Trucks

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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?

Jul 24, 2015 | 2004 Mitsubishi Endeavor

1 Answer

My bolero pick truck front brake skid but back wheel brake roll on..load and unload.difficult to adjust, why plz help...!


Might be a leak somewhere in brake lines. Or some gasket gone bad in brakes (then there is probably a leak as well). If no leak then I assume there is some air in the brake system, sounds like in lines which lead to back brakes so I suggest you bleed back brakes (preferably bleed the whole brake system). In my car (not bolero though) there is some kind of braking power balancing system with extra bleeding screw at the back and this could have air in too. You can find further information how to bleed braking system from your car manual or generally from the Internet. Usual drill is to bleed the furthest brake first then continue until closest brake to your car brake fluid reservoir.
PS: If your brake pedal feels soft and get harder by each push then there is definitely air in the system. If it stays soft you might have a leak.

Oct 29, 2013 | Cars & Trucks

1 Answer

1990 jeep wrangler bleeding breaks


Hi there:
I suggest to check this procedure, when the hydraulic brake system must be bled whenever a fluid line has been disconnected because air gets into the system.

A leak in the system may sometimes be indicated by a spongy brake pedal. Air trapped in the system is compressible and does not permit the pressure applied to the brake pedal to be transmitted solidly through the brakes. The system must be absolutely free from air at all times. If the master cylinder has been overhauled or a new cylinder has been installed, bleed the cylinder on a bench before installation. When bleeding brakes, bleed at the wheel most distant from the master cylinder first, the next most distant second, and so on. During the bleeding operation the master cylinder must be kept at least 3 / 4 full of brake fluid.


The ABS bleeding procedure is different from the conventional method. It consists of the following three steps:
Step 1: Conventional manual brake bleed.
Step 2: Bleeding the system using the DRB scan tool.
Step 3: An additional conventional manual brake bleed.

The recommended ABS bleeding procedure is as follows:
  1. To bleed the brakes, first carefully clean all dirt from around the master cylinder filler cap. Remove the filler cap and fill the master cylinder with DOT 3 brake fluid to the lower edge of the filler neck.
  2. Bleed the master cylinder first. Have a helper operate the brake pedal while bleeding each master cylinder fluid outlet line. Do not allow the master cylinder to to run out of fluid,as this will allow additional air to be drawn into the cylinder.
  3. Bleed the brake system in the following sequence:
    1. Master cylinder
    2. HCU valve body (at fluid lines)
    3. Right rear wheel
    4. Left rear wheel
    5. Right front wheel
    6. Left front wheel
  4. Clean off the bleeder connections at all four wheel cylinders. Attach the bleeder hose to the right rear wheel cylinder bleeder screw and place the end of the tube in a glass jar, submerged in brake fluid.
  5. Open the bleeder valve 1/2 - 3/4 of a turn.
  6. Have an assistant depress the brake pedal slowly and allow it to return. Continue this pumping action to force any air out of the system. When bubbles cease to appear at the end of the bleeder hose, close the bleeder valve and remove the hose.
  7. Check the level of fluid in the master cylinder reservoir and replenish as necessary.
  8. After the bleeding operation at each wheel cylinder has been completed, fill the master cylinder reservoir and replace the filler plug.

Do not reuse the fluid which has been removed from the lines through the bleeding process because it contains air bubbles and dirt.


  1. Perform the "Bleed Brake'' procedure with the DRB II scan tool. This procedure is described in the DRB II software information and diagnostic guide.
    1. Attach the DRB II scan tool to the diagnostic connector.
    2. Run the Bleed Brake procedure as described in the DRB II tester guide.
  2. Repeat the conventional bleeding procedure as previously outlined.
  3. Fill the master cylinder reservoir to the proper level.
  4. Check the brake operation.


Hope this helps.

Apr 21, 2013 | Jeep Wrangler Cars & Trucks

1 Answer

Rear caliper on 2005 Ford F150 not releasing, replaced both rear calipers, now pedal goes to the floor - no brakes at all. What can/should i do?


Sounds like it still has some air in the system or a bad master cylinder. First try bleeding all air, there is definitely some air left in the lines and this is most probably causing the problem. Bled the lines at the bleeder screws on the calipers. ---------- There is air left in the brake line.Any time the brake system is opened to replace brake lines, caliper, pads etc etc.Mostly the air enters the system, and that air has to be completely bleed.Otherwise the same symptoms , what you are getting will be noticed.-------- Brakes can be bled manually, with a power bleeder, injector tool or vacuum bleeder.IIt does not make any difference which method you use as long as all the lines and components are flushed with enough fluid to remove any trapped air bubbles or air pockets.----
The most common bleeding procedure is to bleed the brake furthest from the master cylinder first, then bleed the other brake that shares the same hydraulic circuit (which may be the other rear brake on a rear-wheel drive car or truck, or the opposite front brake on a front-wheel drive car or minivan). After these have been bled, you then bleed the other brake circuit starting with the furthest brake from the master cylinder.--------- When the complete air is bleed from the line, the brake should be firm when car is on.In your case brake brake pedal is loose and goes almost to the floor when car is ON.This is due to Air in the line.Get the complete air bleed from brake line.------- This will help.Thanks.Helpmech

Sep 07, 2011 | 1998 Ford F150 Regular Cab

2 Answers

Im trying to bleed my brakes, why do i need the brake fluid in the bottle?


If your doing a one man brake bleed, you would have a tube attached to the bleeder valve,
the other end submerged in brake fluid, so when your pumping the brakes to bleed the air
bubbles out, no air can go back into the brake system. good luck!

Aug 02, 2011 | 1999 Chevrolet Malibu

2 Answers

The brake cylinder in the right rear tire started leaking. I changed it and bled the brakes., now they won't stop and will go all the way to the floor. where and how do I adjust them? THANK YOU jOE!


You may need to further bleed the brakes. Something pumping to bleed the brakes can **** in air at the brake fluid reservoir. Try using a vacuum pump to **** out brake fluid from the release screw at the brake side. Make sure you always have enough fluid at the reservoir.

Feb 28, 2011 | Chevrolet Caprice Cars & Trucks

1 Answer

How to bleed the brakes


Bleeding the ABS System

Print


NOTE
This procedure requires the use of a scan tool.


NOTE
Performing the SYSTEM BLEED FUNCTION on the diagnostic tool drives trapped air from the hydraulic control unit (HCU). Subsequent bleeding removes the air from the brake hydraulic system to the bleeder screws.


NOTE
The engine must be running to provide adequate voltage to the HCU module during the anti-lock control portion of the system bleed.

1. Connect the diagnostic tool.

2. Start the engine and depress the brake pedal to half of the full travel position.

3. Access FUNCTION TEST mode and press the trigger to run the SYSTEM BLEED FUNCTION.

4. Manually bleed the brake hydraulic system.

5. Repeat the procedure performing a total of two diagnostic tool cycles and two manual bleed cycles. The bleed procedure is complete.


Hope helps.

Nov 01, 2010 | Ford Laser Cars & Trucks

3 Answers

Spongy brakes after bleeding


sometimes if you are not carefull air can get trapped in the brake lines or in the brake booster......

you should get them checked""

"i would be carefull driving"

but if you dont think air got trapped in there.....you should try upgrading those rubber hoses to steel kind.....

hope this helps XD

May 12, 2009 | 1995 Chevrolet Blazer

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