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Diagram for 99 Ford F-150 brake master cylnder lines

Leaking from line that leads from master cylinder

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 91 Answers

SOURCE: 1998+ford van 150+brake lines+diagram

I only replace what is needed they are time consuming and all four breaks will need to be bleed only diagram is what you have under the van cut out the damaged section take it to parts store and get the size you need make sure you get all fitting at this time also good luck

Posted on Apr 28, 2009

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  • 232 Answers

SOURCE: Spongy brakes after bleeding them 2 times. Should I try to bleed the master cylinder or replace it?

Honestly your guess is as good as mine. But I don't think the master cylinder is NOT bad you still have air in the system. Get a big bottle of brake fluid bleed all four sides until you run out of fluid or your brakes work properly. You should divide the bottle's content in four, then use each quantity in each side. You'll be removing air and contaminated fluid from the system. Get a small hose that fits on the bleeders and an appropriate container. I have a good feeling if you do this your brakes will work just fine. I don't know how you are bleeding the brakes. I'll let you know the proper way just in case. This is a two man job, with the wheel off, have someone start the car. Have them pump the brakes a few times to get pressure. 1With the brake pedal UP open the bleeder, 2then have your assistant press the brake pedal all the way down and leave it completely pressed down. 3Close the bleeder valve, once close and only with the valve closed have'm release the brake. Repeat as necessary, bake depressed, open valve first then press brake. DO NOT depress until valve completly closed. Close valve THEN depress. Good Luck!

Posted on May 15, 2009

emissionwiz
  • 77169 Answers

SOURCE: 1999 Ford Taurus, replaced leaking master

There is a special tool required to bleed the brakes, it plugs into the ABS hydraulic control under the hood and holds the ABS valves open to remove the trapped air during bleeding, u will need to have the dealer bleed the brakes, they are most likely the only ones that will have this special too, but u can try an outside shop, I am sure Snap on tools makes this tool in the aftermarket tool catagory..

Posted on Dec 18, 2009

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kel1guy2002
  • 3740 Answers

SOURCE: i replaced a master cylinder on a 2001 taurus and

I take it you have a rebuilt master cylinder. (It can happen to new ones also!) It is quite possible that the 2nd piston seal in the master cylinder is either installed incorrectly or was damaged during installation by who ever assembled it. You can install a PLUG in the front piston outlet hole and try it again. If it is still spongy.... the replacement Master cylinder is bad. (my therory... when in doubt change it out... when it comes to master cylinders)

Take the cylinder back and get another one. (warranty!!!) I have had this happen a few times over the years. Just one of those misfortunes of the task.

Thanks for using FixYa.

Kelly


Posted on Mar 07, 2010

duane_wong
  • 6826 Answers

SOURCE: 1997 ford escort brake line diagram

The LF and RR are in an independent circuit of the RF, LR wheels. The master cylinder already has the lines hooked up in a way that if you trace the lines, you can make your own diagram.

Posted on Aug 03, 2010

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2 Answers

My 2013 Ford F-150 xlt crew cab 3.5l just lost brakes completely . The pedal went right to the floor so i pumped them which didn't help at all luckily ebrake worked and I shifted into manual


You need to look at the master cylinder. There are two fluid chambers that should have BRAKE fluid in them. Level should be at least half full. If both chambers (reservoirs) have fluid in them then the master cylinder itself is faulty. Its nothing but a foot actuated pump and it has o rings inside that can fail. sometimes it can Be an intermittent problem....change it...however If there is no fluid in the reservoirs a fluid line going to the brakes is most likely leaking. FYI there are two chambers so that if a line leaks you still have 1/2 of your brakes working. My best guess is your master cylinder is no good. Good luck and don't (cheep) on your brakes.

Nov 22, 2017 | Ford Cars & Trucks

1 Answer

Do you have to remove brake lines when you change the brake booster


Check rear of Master Cylinder--If wet likely Master Cylinder Leaking and Booster Damaged. They Should be replaced as a mated pair. (for warranty) and brake lines removed and system bled.

Oct 16, 2014 | 1988 Ford F 150

1 Answer

1997 ford escort brake line diagram, more info


If the steel lines are not rusted out and leaking, what are you trying to do or figure out?
I don't think you do know what is the problem is with your braking system?

Aug 03, 2010 | 1997 Ford Escort

2 Answers

1997 ford escort brake line diagram


The LF and RR are in an independent circuit of the RF, LR wheels. The master cylinder already has the lines hooked up in a way that if you trace the lines, you can make your own diagram.

Aug 03, 2010 | 1997 Ford Escort

2 Answers

1996 Ford F 150 Having brake problems....


take the cape off the break reservoir start with the rear break farthest from the master cylnder then do other rear break then the front farthest from master cylinder . If you have ABS then look in the owners manual under maintance it should give you the procedure

Nov 23, 2009 | 1996 Ford F150 Regular Cab

1 Answer

Having problems with the brakes on my f150 pickup i have changed the calipers and bleed them properly and still there is a problem can anyone tell me if it could be the master cylnder or the splitter valve...


maybe bleed the back brakes,Have you adjusted the back brakes yet?if the master cylinder is bad then the pedal will go all the way to the floor,and not always lets you stop.if the back brakes arent adjusted enough then you would have to pump them a couple of times to stop.The same if air was in the lines.

Sep 26, 2009 | 1989 Ford F 150

1 Answer

Changing 4 calipers and there is no oil com out when try to bleed


The master cylinder supplies the pressure to the brake fluid that travels between the maste brake cylinder resevoir and the brake caliper pistons (through the brake lines. If the master cylinder fails there will be insufficient compression of the brake fluid to make the calipers operate as designed. Leaks in the brake lines and/or cylinders is a possibility, and unrelated to functionality of the master cylinder. Also, pistons located in the brake calipers can form a corrosion ring on their inside walls if there is breakdown in the brake fluid or moisture that gets into the lines. Operating the vehicle when there is insufficient brake fluid in the master cylinder resevoir can also lead to air getting into the brake lines, causing bad working brakes. Air compresses more than brake fluid, and the master cylinder isn't designed to compress air in the brake lines. Sounds like a bad case of "lack of maintenance", as opposed to bad advice from the mechanics. That said, there's no excuse for bad installation. But, it's tough to improperly install a brake line since they are nothing more than hollow metal tubes. There should be no rubber connectors installed in the brake lines. When bleeding the brake lines one must remove all of the trapped air before you will see any fluid appear. If the valves in the master cylinder are not properly operating the master cylinder will not allow the brake fluid to get into the brake lines.

Hope this helps.

Jun 13, 2009 | 1999 Volkswagen Passat

2 Answers

I have a ford explorer brakes stopped working no


hello, it is very common for the cylinder in the master cylinder to seize...try to bleed the master cylinder, if no line pressure is found in either of the two lines replace the master cylinder and re-bleed the entire system....good luck, marty

Jun 09, 2009 | 1998 Ford Explorer

1 Answer

How to change a master cylinder on 99 e250


i do agree with the haynes manual.

First off, pb blaster is your best friend for brake line bolts. You want to **** as much of the brake fluid out of the resivour as you can, Then you need to get the brake lines off the master cylinder that is on there. make sure you use the right size flare nut wrench when you are taking the lines off. rounding off brake line bolts is not fun, trust me. once the lines are off, ( turn counter clockwise) Just make sure you have a towel to put under the brake lines. for excess fluid. then with a ratchet, and extension, and socket you need to take the master off the brake booster. Also disconnect any electrical connectors and keep them clear ofthe brake fluid. When you have the 2 bolts out of the brake booster, the master should pull out and then your ready to work on installing the new one. when you get a new ,master, you can either bench bleed it, or if you want to, you can also install the new one, line up the hole in the brake booster, put the 2 bolts back on, then you need to bleed the master. Most come with instructions.
  1. Begin by removing the cap.
  2. Follow the directions that come with the kit to select the suitable adapters, and then connect the adapters and tubes to the ports on the cylinder. The other ends of the tube extend down into the master cylinder, and are held in place by a plastic clip.
  3. With the bleeder kit installed, fill the master cylinder about halfway with new brake fluid. Use a large screwdriver to depress the valve assembly inside the master cylinder. If you do not have a vise you can mount the master cylinder on the vacuum brake booster and bleed the master cylinder.
  4. Small bubbles will appear in the fluid. Continue working the valve assembly until no more bubbles appear. This indicates that the cylinder has been thoroughly bled.
once it is bled then you hook up the brake lines, and bleed all the brakes. starting with the furthest from the master cylinder. Passenger rear, driver rear, passenger front, driver front. make sure you check the brakes to make sure there is no air, better to be safe then sorry. also, check anything you had disconnected, to make sure it is not leaking.

In simple terms, by just looking at it, you can figure out how to do the master cylinder, but to be safe, get a repair manual.

Mar 23, 2009 | 2002 Ford E250

2 Answers

Brakes


You might have a nother line leaking, or just not enough patience for the fluid to run to the back.

Jan 30, 2009 | 1994 Ford F250 Supercab

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