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Breaks have new shoes,calabrators,master cylender,blead,right front is only one that works need advice

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Posted on Jan 02, 2017

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johnjohn2
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SOURCE: changed the master cylender and vacuum booster and blead the system by the book and still cant get breaks without pumping them.

There must be air in the system some where. i am not sure of the year ,make and model of this van and also not sure of the brake system, for example if you have drum brakes in the rear then first adjust them.
The next step is to fill the master cylinder, make sure there are no leak anywhere.Next step start at the master cylinder, at the line to master do not worry about abs system. have someone inside ready to pump brake pedal and hold.Have them pump pedal three times and hold pedal with a little pressure.make sure as you open the bleeder they push on pedal and keep foot on brake until you tell them to pump again. the pedal is to be pumped three times every times.
With pedal pumped start at master lines, open one allow to bleed a little then close and move to next and allow to bleed. if master has more than two lines then pump again and do two, open one and close then open two and close then pump again. After master is bleed a few times and no air comes out then move to right rear wheel, pump three times and hold while you open bleeder, this is to be done about four times to make sure you get a good flow of fluid with no air .
NOTE: always keep master cylinder full, check after each wheel. make sure the person pumping the brakes does not lift until you say and the bleeder is closed. After the right rear wheel you will move to left rear and then right front wheel and last is the left front wheel.
Make sure there are no bad wheel bearings, lift wheel of the ground and grab and check for movement by pulling wheel out and in from top to bottom, the last thing is make sure the caliper slides are free moving.
If the caliper does not slide on the bracket freely then the piston will not stay on pad and pedal will need to be pumped to get a pedal. good day.

Posted on Mar 11, 2012

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lastcherokee
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SOURCE: we have new break shoes, calabraters,master cylender and bled. only right front break works. what could the problem be?

Some vehicles have a splitter that will shut off fluid to one wheel in case you blow a brake line. It has to be recentered to get fluid to both sides. Boy that brings back memories of my old Triumph TR4!

Posted on May 12, 2017

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1 Answer

We have new break shoes, calabraters,master cylender and bled. only right front break works. what could the problem be?


Some vehicles have a splitter that will shut off fluid to one wheel in case you blow a brake line. It has to be recentered to get fluid to both sides. Boy that brings back memories of my old Triumph TR4!

May 11, 2017 | Cars & Trucks

2 Answers

Bleed breaks pedal still spongy


On these old manual brake systems without automatic adjusters you have to set the shoe clearance by turning the adjuster on each shoe out so the shoe is very close to the drum. If there is too much clearance between the shoe and drum the shoe will move as far as it can and never touch the drum, this will make a low or no pedal pressure.

Apr 22, 2013 | Cars & Trucks

1 Answer

Brakes


sounds to me that your power booster is not holding pressure

Dec 25, 2011 | 1986 Ford F150 SuperCab

1 Answer

I have a 96 ford explorer xlt 4wd with ABS. When I bought it it had a broken back break line. I replaced the line blead the breaks and the breaks are spongy. I googled the issuse and found out it could be...


Check your parking brake. if it goes down to the floor or does not hold, then your back brakes needs adjusted. bad master cylinders bleed off slowly to the floor while pushing on the brake pedal. If you need assistance on adjusting let me know.
Randy

Nov 09, 2010 | 1996 Ford Explorer

1 Answer

Low break pedal even after adjusting rear brakes and bleading all 4 wheels


usaly when this occurs, The master cylender is bypassing and needs replaced

Jun 16, 2010 | 1997 Ford F150 Regular Cab

3 Answers

I need to change the master cylinder in my fj62 landcruiser and I am not sure how to do it. Looking for help please.


If you want to change break master cylinder,first remove two break pipes then remove four nuts which is holding master cylinder to breake booster.careful breake fluid from the car body and your self.

put the new breake master cylinder tight four nuts, before you fit the braeke pipes get some body who can hold breake bedel down put the breake fluide tell him to pump breake bedel when the brake master take fluid hold your fingers where you want to fit brake pipes when you feel more pressure which is pushing your finger tell him to hold the bedel down while you tighting the pipes.
you dont need to bleade the wheels. it is ready.
the ather thing when you remove the breake master put the new one then fit the brake pipes fil with the breake fluide then bump so you must bleade all wheels

Jun 16, 2009 | 1998 Toyota Land Cruiser

1 Answer

On solution #1 dec 2008 I would like to know where i could get the adjustable clutch master rod between the master cylinder and the clutch pedal. He mentioned it could be purchased on line but did not say...


After reading this I have to ask if parts are origional why do they not work properly. My first suggestion is that bleading not done effectively. If air is present in line,slave cylender etc. then it would not have travel needed or master cylinder is frozen at point short of origional return or is wrong one. There shouldn't be a reason to have to purchase rod with upgrade unless specified by manufacturer and if so then they should have supplied it. Inspect each part and compare with old ones if possible, if master is origional then make sure that it returns fully to give travel to pedal. when bleading system fill slave cylinder as much as possible disconnected from line and blead many times.

Apr 25, 2009 | 1984 Pontiac Fiero

1 Answer

1994 GMC Sonoma - brakes went out - we have replaced the pads, lines and they are still not engaging to stop the vehicle - could this be the calipers or the master cylinder?


Did the peddel go to the floor when the breaks went out before you replaced pads and lines? If it did than its the master cyl. If you replace the master cyl. yourself just remember you have to bench bleed it before you install it. The new master cyl. will come with instructions on how to do that. The calipers will not do what you discribed unless they have a major leak. Also after you install the new master cyl. chanses are all the breaks will have to be blead, starting with right rear, left rear, right front, left front. In that order.

Apr 05, 2009 | 1996 GMC Sonoma

1 Answer

I have a 2 whele drive Auto/with 4 whele ABS


you may need to go to the dealer to get the abs pump bleed properly this can be quite a ***** with out the right equipment if there is air in the abs pump you will have no end of problems

Dec 23, 2008 | 1998 Chevrolet S-10 Pickup

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