Question about 2000 Pontiac Grand Prix

2 Answers

Do i bleed brakes with car running

Brakes

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  • Expert
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Hello and welcome to fix ya.com.

Theres no need for you to have the car running, get an assistant to help you with the bleeding of brakes, make sure you have enough brake fluid and use a clear bottle or something and fill it about a quarter of brake fluid then have a rubber or plastic pipe one end fits on the bleed end and put the other end into the bottom of the bottle this will prevent air from going back through the system, start to bleed from the furthest wheel which is the passenger side rear then the other side and do the same to the front, when bleeding look out for air bubbles going into the bottle soon has they stop tell the assistant to hold the brake pedal down while you tighten the bleed valve.
Best regard.
George...

Posted on Jul 25, 2009

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  • Master
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No need to have the car running. That just helps supply the vacuum to make them work better but has nothing to do with the basic brake setup.

It's a fairly quick fun job. Take your time have a buddy and lots of brake fluid and you can do as good a job as any shop. (no matter what they say ;-])

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

johnnybtheon
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SOURCE: brake pedal soft after changing pads and bleeding brakes

You will need to bleed the brake system. I would start with the rear brakes lines and work towards the front.You must have key off engine off when bleeding brakes, apply pressure on brake pedal 10 times and hold. The brake line is now ready to be open. Open and let the stream of fluid come out and close the line tight. Then release brake pedal once bleeder screw is close. This procedure must be repeated twice front and back. After, brakes have been bleed pump the brake pedal before putting in drive.
Note: Don't let the resevoir run low on brake fluid. This will cause air bubbles to accumulate on the brake system. Always top off before opening bleeder screw.

Posted on Nov 21, 2011

emissionwiz
  • 76848 Answers

SOURCE: Bleeding the brakes on an 89 XJ6

in most cases it makes it much easier to perform with the car running, if is even easier if you can rent a power bleeder..

Posted on Mar 11, 2009

fknstart
  • 404 Answers

SOURCE: No brake pressure on a 99 beetle

check brake booster for leaks or the pad or disk wear

Posted on Jan 05, 2009

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1 Answer

I have replaced 3 disc brake calipers on my 2001 pt cruiser. after bleeding all 4 brakes 3 times, I started the car and brake pedal goes to floor. is my brake booster shot?


Michael:

You must start bleeding the brakes at the wheel farthest from the master cylinder (usually the right rear), then the next farthest from the master cylinder, then the next, then the closest. If your master cylinder is at the left front of the car, start with the right rear, then the left rear, then the right front, then the left front. If you don't bleed the brakes in the correct order, you are just shifting the air in the lines from one line to another. Make sure that you close the bleeder before letting the brake pedal up, and the engine should not be running when you bleed the brakes... Make sure that the emergency brake is off. Make sure that the master cylinder does not run out of brake fluid at any time that you are bleeding the brakes.

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I have been working on power brakes and bleed system and got a good pedal pressure


try bleeding the brakes with the engine running there may still be some air in the system. make sure the master cylinder doesn`t run out of brake fluid.

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Brake pedal soft after changing pads and bleeding brakes


You will need to bleed the brake system. I would start with the rear brakes lines and work towards the front.You must have key off engine off when bleeding brakes, apply pressure on brake pedal 10 times and hold. The brake line is now ready to be open. Open and let the stream of fluid come out and close the line tight. Then release brake pedal once bleeder screw is close. This procedure must be repeated twice front and back. After, brakes have been bleed pump the brake pedal before putting in drive.
Note: Don't let the resevoir run low on brake fluid. This will cause air bubbles to accumulate on the brake system. Always top off before opening bleeder screw.

Nov 21, 2011 | 1992 Chevrolet Corsica

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I've installed a new rotors and brakes. Bleed the master cylinder and lines. I have a nice hard pedal with vey little travel with the vehicle turned off. BUT when the vehicle is running the brake pedal...


On vehicles equiped with ABS brakes you have to have the vehicle running when you bleed the brakes if you di it while not running this is the problem you will have. Be sure you start it then check fluid then bleed the brakes really good it usually takes alot of bleeding when you have ABS.

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you may have to run the motor as you bleed the brakes so the abs hydraulic unit can purge any air that might be caught within the unit itself.did you bench bleed the master cylinder before installing it on the car.this can save time and reduce the possible chance of air entering the system.make sure you don`t allow the master cylinder to run low on brake fluid.i also assume that you are bleeding the brakes properly.Left front brake works with Right rear brake and Right front brake works with Left rear brake.this is how the brakes should be bleed.

Mar 15, 2011 | 1997 Buick LeSabre

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

2 Answers

Replaced brake line, rotors and pads bled brakes all around and the brakes when the truck is off work but once i start the truck the brake pedal goes to the floor and have no brakes at...


Bench Bleed the M/C first, then do not let it run dry during system bleeding. Parts stores sell a kit that helps installed m/c bleeding.

Sep 29, 2010 | 2001 GMC Jimmy

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Bleeding brakes 2000 suburban wsith ab


Why were the brake lines replaced?

Sounds like the mastercylinder may have run dry. You have to bench bleed the master and then DO NOT allow fluid to run low, while bleeding brakes...

if master cylinder runs low on fluid and air gets in, almost impossible to bleed with out releasing the lines and bleed master it self.

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Does the car need to be running when you bleed the brakes?


no but its best to have two people one to bleed the lines and the other to "push" on the peddle as you bleed to "push" the air out of the lines

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