Ford Super Duty (1999-2016) :: Loud Bang And Brake Pedal Went All The Way To The Floor
Sep 9, 2015
I was driving, Iput the brakes on then suddenly I heard a loud bang and brake pedal went all the way to the floor. I knew there was something wrong with the brakes, parked went and checked the passenger side rear brake caliper was ripped off which made a hole through my rim and also ripped off the brake lines. I need to get the part but I don't know what its called. See the pictures....
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The other day I got in my truck and started down the driveway when I realized I had no brakes, I slowly backed up and parked it. I haven't driven the truck for approx. 2 weeks and it seemed fine then. The master cylinder is full, there are no signs of leakage from wheel cylinders or lines. Today I unscrewed the left front zert and no fluid came out. My pedal goes all the way to the floor.... Whats going on, and if its a easy fix?
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First, I am fortunate that I was only going 25 mph when some turned in front of me causing me to slam on the brakes. The pedal went to the floor, but did slow the truck enough to miss the jerk. Had I been on the highway, it would have been very bad.
Anyway, what I found is still hard for me to believe for two reasons. It find it hard to believe it failed, but more important that I am getting the last national inventory of 2 of the 3 lines in this picture (according to my Ford dealer).
The three lines are almost directly under the front end of the master cylinder between the block and frame. These are as I found them. The larger one goes to the rear feeding both rear brakes while the two smaller run to the front brakes. The spring looking part below is just a plastic protector. The line which failed goes to the front left.
I think anyone with a 2005 SuperDuty which uses the same or similar parts should take a very close look at the flex sections. The parts I have ordered are: 6C3Z-2B523-BA, 6C3Z-2263-BA, and 6C3Z-2264-BA (rear, right, and left).
How long a manufacture is required to maintain inventory? I thought 7 years, but someone suggested 17. I'm at 8 years, but I would have expected more than 1 each of the fronts to be available. Do they changed parts on the '06 or '07?
My 350 spent 2 winters in the Chicago area and has been resting in Florida since 2006. No work was done in this area, but the closest work was the main fuel pump (frame mounted) replaced 2 years ago, but that is almost 2 feet to the rear.
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I don't know what's going on maybe some body can shed a little light on this. If you hold the brake pedal down for a long period of time you can feel the pedal slowly go to the floor. So no problem I'll change the master cylinder bleed everything brand new fluid. Don't drive it much we let the sister in law drive it we'll I jump back into it the other day to go to Home Depot and once again I notice it still does it. Could the hydra brake booster be bleeding by or what's else could be causing this it's driving me insane. I really can't imagine the hydra booster causing a problem but it's new to me. I was thinking about bleeding the brakes again thinking there maybe there's air but I have run 2 bottles of brake fluid through how much more??
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We were using my 2001 7.3 4x4 (automatic, manual lock outs) in 4 low yesterday on dry pavement in an attempt to pull out the remainder of a 6x6 post in concrete. We were working her pretty hard alternating directions of pulling. At one point we heard a loud bang (see also: thud; pop; etc). It seemed at that point that the front axle was no longer functioning in 4wd. We still had the low gearing feel, but at one point I noticed my rear tires trying to slip on the driveway, but fronts didn't appear to be pulling anymore.
Long story short, came in, went to bed, went out this morning and thought I'd jack up the front end and roll the tires in both 'free' and 'lock' to see if the universal joints (yokes?) behind each wheel were spinning or not, depending on whether free or locked in. I noticed on the passenger side a few drops of a clear/light colored fluid that had dripped from behind the dust cover that isn't functioning any longer. The joints worked as they should, based on if it was locked in or not.
I decided to go ahead and put the back axle on jackstands as well and see how it was working when "driving". When in 2wd, rear worked, front was stationary, as it should be. when in 4high, rear spun, front driver spun erratically, nothing from passenger front (where I had seen drip). 4low was same thing - erratic on driver side, at best.
So I know I have front axle/transfer case issues. The question is, with the drip (smells like grease, so I'm assuming its gear oil?) would I be safe to drive it a few days with hubs in free position? I don't want all of the fluid leaking out when I'm driving down the road. I use the truck for work and wouldn't be able to be without it until later in the week or next week. But I also don't want to drive it if it will just make my predicament worse.
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I've got a 2004 F450 that I'm loving, but suddenly having an issue getting it into gear. To get it out of park and into another gear I've got to turn the key a little father towards start (somewhere in between normal after start position and actually engaging the starter) and then the column shifter will actually let me get out of park and into another gear. Once I've done this there is no problem moving between gears. Last, this has to be related since it started at the same time - when I'm in cruise control it takes a greater amount of force on the brake to get the cruise control to shut off. When it finally does, it makes a loud click, almost a bang. If I only lightly push on the brake it won't kick off the cruise control and the engine will increase power to keep the speed and fight me on the brake.
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I have a 06 f360 PSD 6 speed. On a road trip and the clutch pedal is getting very close to the floor. No Slippage but the longer I leave the pedal pressed the worse it gets. Are there any good descriptions how the clutch in this truck works?? Slave cyl??
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Pulled out of street this morning and as I was shifting into 3rd my clutch pedal went straight to the floor boards. I was able to keep it in 2nd gear and get it back to my driveway . The pedal will only go straight to floor or goes straight up too the bottom of dash board. It's spring loaded. Am I dealing with a linkage issue?. I had clutch as I pulled out of my driveway and stopped go at the stop sign. Plus I was able to drive it back too my house with the pedal on the floor boards. Where I should look first?
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My stock 2009 ford f250xl 4x4 with a 5.4 and 6 speed has been giving me a weird sound lately started about a month ago and only happens on a cold start situation meaning if it sits over night it will do the sound. the sound goes away after 3-5 min of warm up in my driveway, the sound happens when i push the clutch pedal to the floor. it has no pronounced abnormal sounds through out the rest of the day when its hot which perplexes me, check out the vid on my u tube site for a sound of it.
MAH00111 - YouTube
MAH00115 - YouTube
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Recently my F350 has failed to downshift when the accelerator pedal is pressed to the floor to speed up in traffic. It will usually happen when traveling at speeds in the 30's-40's. It will shift quickly at slower speeds. I have a scan guage on it all the time and it is not throwing any codes.
The transmission has only been serviced by the dealer; last done about 24000 miles ago. No leaks or low fluids/no burned smells. Stock setup with no heavy towing use. Currently at 228000+ miles, this is the first issue with the transmission assuming I am looking at the right area for the cause.
2005 F350 XLT 4WD
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Today I was going to launch my new boat and when I backed down the ramp, the brake went to the floor almost sinking the truck. Long story short, the brake line that runs along the frame to the rear brakes rusted through at a bend that I couldn't see. Seems the line is about 8 feet long. What I'd like to know is can I replace it without dropping the fuel tank which of course I just filled yesterday and can I obtain one at a ford dealer or will I have to order one. My truck is my only transportation.
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I bought a 2004 F250 super duty 4x4 with the 6.0 a couple weeks ago and have a few questions. Hopefully all of these things are normal, but I thought I would ask you experienced drivers.
1) Occasionally while driving when I lift off the accelerator pedal I can hear a sort of loud rattle under the hood. I assume this is the turbo shutting down? Is that normal?
2) 4x4 and locking hubs... I have the 4x4 hi and low switch on the dash. Do I need to also manually lock the hubs to go into 4x4? After reading the manual it seems like I can just turn the dash switch and they should automatically lock, but I'm not sure. The hubs are not marked, but going by the pictures in the manual I think I know which is "lock" and which position is "auto" or off.
3) Front wheels hop at full turn. I expected wheel hop in 4x4 or with the hubs locked, but even in 2WD with the hubs in the auto position the tires still "hop" or knock a bit at sharp turns. Is this normal?
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I replaced all the brake pads on all 4 wheels. Pretty standard procedure. I now have a very spongy brake pedal. It stops but the pedal will be almost to the floor. I did not break any of the lines open during the procedure just used c-clamp to spread the calipers. No ABS light. Have a Snap-On power bleeder and bled the system several times with no change. Checked the power steering fluid level and inspected entire system for leaks.
2002 F-550 V10
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Just got a 99 super duty and I have a very weird problem. When stopping i feel a very strong pulsing from the brake pedal. I assumed warped rotor. but the strange part is when I hit the brake the cab dome light comes on. How to locate this pulsating?
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Test drove an 08 V10 today. Brakes seemed to work fine and didn't lock up but I felt no pulsating in the pedal and heard no chirping of the tires like most ABS systems do. Is this normal? Anything special to look for in used late model V10s?
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When I parked my truck at work this morning, I pushed the parking brake pedal down like always, but it popped back up. I didn't pop all the way back up, it stayed down about 1/4 of the way. Several tries yielded the same results.
Since I'm at work, I didn't have any time to crawl under there are investigate. I'll do so tonight when I get home, or maybe tomorrow. Kinda sounds like the locking "teeth" mechanism may be misaligned?? Since it doesn't come all the way back up, I'm hoping the mechanism isn't totally broken.
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So, before I noticed a problem, all I had to do was a slight touch to the brake pedal, and the brake lights would come on. Now, they MAY just quickly flash and won't come on unless I really push hard on the pedal, such as at a complete stop.
I've noticed some issues with trying to lock-in 4W-LOW now too, and I know the brake pedal has to be pushed to engage 4W-LOW. Never had problems before now. 1999 F250 Superduty ...
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I don't know whats up with my new truck, its a 04 f250 scsb, 4x4, 5.4l with 61k orig miles on it. Truck will stop on a dime, has NO pedal sinking, but it takes about 3/4 of the pedals travel to apply pressure to the pads and have the truck stop, sometimes if I push the pedal down then let up and push it again the pedal wont travel as far, I just flushed the system today, no air in the lines, is there a bleeder on the abs? truck has 4 wheel abs...
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We are putting a truck back together after converting a single cab to crew cab and struck a problem. Every time you hit the brake pedal the door locks continually try to lock themselves. Any clues as to the problem or what to test to find out for sure?
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my dads front drivers brake caliper was dragging so last Thursday he had the local Ford dealer install a new one WHY i don't know since i always work on everything of ours plus my friends Fords. Today he said he pushed the brake and it went to the floor then he let up and pushed it again and they worked?? I haven't looked into it yet but the dealer cant look until Friday morning so my dad asked me to do it today after work..... what should i check for? leaking brake line, maybe air in the system still?
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I noticed last week that my brake pedal seemed more spongy than usual. The next day the pedal would go down about half way to the floor before I had pressure. And then the next day the pedal would go straight to the floor. Pedal comes back up once released. I still have brakes pressure about an inch before the pedal bottoms out. Its been like this a couple days now. The vaccum pump works fine. I'm gunna try bleeding the brakes on it tomorrow.
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