Question about Master Heaters Brembo Radial Brake Master Cylinder ? 19x18 ForgedW/ Folding Lever

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Push on the brakes hard and all 4 brakes grab. push on them soft and its just the back two that grab. master cylinder is junk. do you have to bleed the brakes after puttin a new one on?

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Yes you will need to bleed the brakes.
If you have placced on new master cylinder, then you will have to bleed the cylinder first, and then the brakes after that.

Posted on Nov 16, 2009


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1993 4wd. Why aren't brakes working?

Does the brake pedal go to the floor? Or does it stay up, and is hard to push...? Did you bleed the master cylinder? Also, you will need to bleed all 4 wheels connection to the brake wheel must start with the rear, farthest from the master cylinder, then other rear, then front farthest from the master cylinder, then other front...the bleeding of each line is a must, since you switched the master cylinder.

Sep 14, 2015 | GMC Sierra 1500 Cars & Trucks

1 Answer

Ford f150 lariet - 2000 - change back disc brakes and pads. Have tried bleeding system with vehicle running and off. When it was off and started the brakes pedal goes soft and to the floor. Have tried...

IF the hand brake activates through the caliper piston unit and it was necessary to screw the piston back in to fit the new pads then you will have to readjust the hand brake .. The may be a bleed nipple on the abs unit . It is not necessary to run the engine to bleed the brakes. IF you used a clamp to push the piston back in then there may be crap in the master cylinder that is affecting the operation of the non-return valve at the outlet of the master-cylinder.

Aug 31, 2013 | 1998 Ford F150 Regular Cab

1 Answer

Brake bleeding sequence for 1995 buick

Most cars are done the same way:
1: Farthest brake from the master cylinder (rear)2: Opposite side from the first brake.3: Farthest from the master cylinder on the front.4: Remaining brake.
BTW: I would advice using the traditional method of using a clear bottle with some fluid in the bottom and a clear hose running out of the fluid, through the bottle top and which can connect to the bleed nipple. When bleeding fluid, make sure the fluid in both the master cylinder and to the bottle is clean before closing off the bleed nipple. Then pump the brake after bleeding each brake and feel for any softness. If you feel softness after bleeding any particular brake, then you will know that you just introduced air into that brake line, and will need to bleed again.NEVER allow your master cylinder to become totally empty whilst bleeding as this will mean you have to bleed all air out of the total system and start again from scratch. This can be a huge pain!

Nov 02, 2012 | Cars & Trucks

2 Answers

1998 Bonneville SSEi brake system cant bleed

this is best way i know is to fill resevoire with fluid open all bleeders up let it start dripping out of them keeping fluid full in resivoire do this until bleeders leaking real good then shut all bleeders put cap on master cylinder crank car check feel of brakes now if pedal still soft then bleed brakes with car not running check again with car running still soft bleed again with car running

Sep 06, 2012 | 1998 Pontiac Bonneville

1 Answer

Brake bleeding

The master cyl is the only thing that affects all 4 wheels. I would have someone check each wheel to see if any of the brakes are being applied when you push on the brake pedal. With ABS brakes you may need to have them pressure bled with a machine.
Why did you bleed the brakes first ?

Jun 23, 2012 | 2000 Honda Accord

8 Answers

Changed calipers rotrs pads still no brake presure wont pump up to bleed air out of lines could master cylinder or booster be bad

Booster is okay, you have to bench bleed the MC, first. So, since it is installed, bleed it with a kit from the parts store, little plastic hoses screw in to the brake hose fittings, and put other end under fluid in reservoir. pump slowly, especially wait at end of release, for fluid to refill piston chamber....pump until no bubbles...

FROM THIS POINT you must not allow fluid in reservoir to go low, or start all over again....

Now bleed the brakes and you will eventually get pressure.

Mar 01, 2011 | 1998 Dodge Neon

1 Answer

How to bleed brakes on a 96 civc

Hello Vicno.

Bleeding brakes is easiest done with a helper to push the brake pedal.

If the master cylinder was empty, top it up. Have the helper push gently down the pedal while you crack the line fitting on the master cylinder enough that it allows air to come out. Generally it is a 1/2 to a 3/4 turn off the seat. Close the fitting when the pedal is down and then release the pedal. Continue this until no air is evident. Then do the other line fitting on the master. This operation will get the air out of the master and is easier than pushing air all the way through the system.

Make sure you keep the fluid topped up! If it goes dry you will need to start over.
And use approved brake fluid only! Anything else will ruin the complete system.

Next proceed to bleed the remainder of the system as described below.

If the master cylinder maintained fluid then you will need to go to the bleed screws on the wheel cylinders or calipers. Front brakes will have calipers, rear could be wheel cylinders or calipers, depending on how it was equipped.
Each one will have a screw with a hole in the center. this is the bleed screw. They are usually close to where the main line is attached.

Start at the right rear bleed screw and bleed the same as the master-------crack....push...close...release. Then go to left front bleeder and do the same. Then to left rear, right front.

Have the helper push the pedal hard after you are done bleeding to verify the fittings that were loosened do not leak.

If you would like further advise on this subject, please ask me here in a comment.
Thank you for using FixYa.

Feb 21, 2011 | Honda Civic Cars & Trucks

2 Answers

I have a 96 geo prizm. I have replaced the front and back brakes. I have bled the brakes and the foot pedal is firm for about the first4 days. After the 4 days the brake pedal gets really soft and you...

It sounds like master cyl. is drawing in air causing prob. also another test would bee too bleed out and get pedal back, now step on pedal and hold firmly and see if pedal creeps near floor indicating innternal leaking in master cyl. also have some one pump bakes slowly aand look for air bubbles in brake res. after bleed out indicating master cyl. is drawing air upon release of pedal.

Jan 24, 2011 | 1996 Geo Prizm

1 Answer

Changed rear brake pads tryed to bleed in case of air but still have soft pedal

You have an air bubble in the master cylinder. If you are lucky you can wiggle the brake pedal and get it to move into the reservoir . Mechanics push brake fluid backwards from the brake cylinder to the master cylinder ( with a special pump ) to remove the air . If you have access, you can lay down plastic and rags and loosen the hollow bolt attaching the brake hose to the master cylinder ( about 1/8 turn) now pump the pedal once or twice. Re tighten the bolt while slowly pushing down on the pedal, re bleed the system at the back and usually this will get the bubble out.

May 20, 2010 | 1999 Honda GL 1500 SE Gold Wing

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