Ford F-150 (2009-2014) :: Springing Sensation When Going Downhill And Brake Pedal Depresses
May 1, 2013
I have a 2009 F-150 Supercrew. I have noticed that when I am going down a hill and hit a bump with my foot on the brake pedal it depresses and I get a springing sensation from the pedal. It almost feels like I am depressing a spring with my foot and then it comes back to normal ???? Just yesterday I was on an off-ramp of the interstate in a sharp curve and it did it without hitting a bump ???? What is causing this or how to fix it ??
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2005 Volvo S60 T5, 90,000 miles. The brake pedal depresses almost to the floor. Dealer service has not had a solution to this problem. All brake components are supposedly nominal. Might pedal position sensor be faulty?
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2003 Pontiac Aztek ... I'm a slow stopper. I like a rolling stop. Lately when I do that my breaks will make a clicking sound (around 6 clicks) only heard inside the car. I'd i let it click, then it's fine, if I press the brake down all the way before the clicks it depresses in a jerky manner. This problem has existed for awhile now. I now an the proud owner of new abs module, wiring harness, multiple wheel housing assys, new brakes, rotors... That may be it with the break system. We just checked and bled the break line for air. I'm tired of paying several mechanics and no results.
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2001 2.0
251,xxx km
Noticed here lately that my brake pedal is depressing further, and can go to the floor if I press it hard enough.
If I press the pedal quick (panic stop) it engages quickly and in the correct spot (I can feel the front tires almost lock up) then it depresses more almost to the floor. the brakes still work perfect however.
What should I try first?
I use my hand brake, and have pumped the brakes and pulled the handbrake to set the rear pistons in place.
I replaced the two rear calipers about a year and a half ago and bled them obviously. Have not bled the front brakes and will do that, but was just looking for more insight, and common problems, vacuum leak, etc.
Reservoir is full as well, and no brake line leaks that I know of.
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I've owned this 2012 Lariat 5.0 for about 6 months (has 49,500 miles on it, approx 6000 are mine).
For awhile, I had kinda thought I sensed a slight vibration/grinding when making right-hand turns. But it seems to be getting more noticeable now. It does not happen with every RH turn, but its not all that rare of an occurrence either. (Does NOT happen with LH turns.)
In addition ............ possibly related, sometimes while breaking, I get a somewhat similar grinding sensation, just before coming to a stop. Again, it does not happen every time.
I tend to think both of these could be a brake issue, but wondered if anything in the driveline could be contributing ? (I should note that I'm in 2-High)
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I just purchased a 2011 F-150 XTR and i noticed the pedals very close to me and i know it does not have electric positioning and it appears that looking at it, it can be adjusted manually..
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When I press on the brake pedal, at about halfway point, I feel a clacking sensation instead of a smooth downward motion. When I let my foot off the pedal, I feel the sensation again. There also seems to be a small knocking sound when I feel that clacking.
In terms of braking, there's no issue. It's just a minor annoyance that's been bugging me for a while. Camry 2012.....
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On my '11 5.0L I've noticed at light to mid throttle if I get into 5 or 6 with the rpms down near 1k or so it will have a light but noticeable to me shudder type sensation. At first I thought maybe it was a converter lockup effect or possibly road noise but the more I drive the more I notice it. Very indistinct and mild with no check engine light and mileage was 17mpg mixed so I'm pretty convinced its not an engine shutter- but I have no experiencing dealing with these coyotes yet...
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I have a 2008 Ford Escape, and today I noticed that while backing out of my driveway (downhill) as I pressed the brake pedal it made this grinding noise, but when I got out of the car I looked through the tires and the rotors and pads were fine. I did not get a chance to check the inner side of the rotor or pad yet. What else could this noise be if it's not the brakes? It only makes this noise when I press the brake pedal which is why I thought it was the brakes.
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I recently bought a 2006 Ranger with supposedly 110000 miles... I don't think I made a good deal... because I found the stabilizer end link in terrible shape which seems suspicious for this mileage in my personal opinion!? But this isn't the reason I am posting today... I have a serious breaking issue and I couldn't find explanation yet.
My ABS Light is on. When I slowly brake at low speed and when the brake is almost completely depressed... I hear a low humming sound, and the brake pedal seems to momentarily drop back just slightly. This also happens when I'm going down hill and breaking. For the most part, the car breaks, and it's only every 8th or 10th time braking that I experience this issue.
My guess is this is linked to the ABS... but I can't afford expensive service and need to resolve this on my own.
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Every once in a while, I'll feel a vibration in the gas pedal. It happens under acceleration, and typically if I'm pushing down and it has not downshifted yet. Then once it downshifts the vibration is less noticeable.
I know there have been issues with the Electronic Throttle Control on these drive-by-wire trucks, particularly on the Super Duty trucks.
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Just a quick question about the locking differential. I'm just wondering can you activate the locking diff while turning or on the gas pedal? Because today when I was climbing up an icy hill, I thought I'd turn on the locking diff,I was still on the gas when I pulled the switch. For a second I saw a warning on my dashboard, but quickly went away before I had a chance to read it. Just wondering in what conditions you can lock the diff. I also hear that you couldn't activate it while turning at a certain degree?
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I recently had a leveling kit installed on my 2014 f150 super crew 4wd. When I picked it up, I heard a humming in the front end that ended up being a bad iwe actuator. I took it to the ford dealer and they replaced it. No more humming, but now I have a very annoying vibration in my gas pedal that can also be felt in the floor board and gas pedal. I've had it aligned. I thought it might be my front driveshaft so I put it in neutral while driving and vibration is the same. It gets worse when I get up around 70mph. I also feel small jerks in the gas pedal at these speeds along with the vibration. It vibrates worse under heavy acceleration as well. Cause I can't wait to set my cruise every time I drive it bothers me that much. Only has 10,000 miles on it.
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2009 FX4... Every once in a while, I'll feel a vibration in the gas pedal. It happens under acceleration, and typically if I'm pushing down and it has not downshifted yet. Then once it downshifts the vibration is less noticeable.
I have had the mechtronic unit replaced due to harsh shifting and the vibration was there before and after that was replaced. The drive shaft was also replaced due to a click/clinking noise and the vibration was there before and after as well. The harsh shifting and clinking noise was fixed with those repairs, but the vibration is still there. I notice it more when I am towing.
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I purchased my 2012 EB used with 35k miles on it. at about 42k I had the condensation issue happen when passing several RV's in a mountain pass. I took the truck to the dealer I purchased it from and they did the TSB13-8-1 Fix to it. I noticed right away that I had lost some power (I was very saddened).
I also have Noticed that I lost about 2.5-3 MPG. Since the work was done I still have a shudder that feels a lot like the transmission is slipping when I mash the go peddle. this does not happen every time but I would say it does happen better then 50% of the time at highway speeds trying to pass slower rigs or getting up to speed to enter the highway.
My question is has ford updated the TSB's for the 2012 EB F150's lately? I love this Truck, it is the only vehicle (besides my motorcycle) I have owned to date that I was not tired of after about 6 month's. I hope when I take the truck back to the shop next week that there is a fix that works that I get my MPG's and power back and that lets me drive it the way it should be driven.
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I got in a work truck yesterday, sat down, put my seat belt on and started the truck. Just as I did that another employee drove by and waved, all I could do was nod back at him because my hand was still starting the truck. This took my attention away for a split second, then as I put the truck in gear, my foot still on the brake, I noticed that the tachometer was pegged and the engine was racing. I instinctively pushed harder on the brake pedal, then looked down to be sure that I was pushing on the brake pedal and I was. Right then then rear of the truck started shaking violently and as fast as I could I turned the key off and put it back in park. This all happened in about 1 second, maybe 2.
The shaking was caused by the sheared off driveshaft. And it was sheared off because the center section of the rear differential had broken the spot welds that hold it and place and rotated on the axel housings. It is now pointing upward towards the bed of the truck. Have a drive by wire truck run the engine at wide open throttle with no input from the pedal? 2010 F150 4.6L...
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Getting a clunk feel and sound while pressing the brake pedal? If I press harder, another clunk or two occurs. Felt and hear especially at low speed or stopped. No issues braking, but the clunk has slowly gotten worse since I dropped the car on RSR Downs which could be a coincidence.
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I put on new Power Stop drilled and slotted rotors with Hawk ceramic pads. I did the brake in runs and could feel the stopping power improving. When I got back to the house I looked at the rotors and I noticed that on the driver's side the pads are not parallel to the rotor. They are hitting on the outer edge of the outboard side and the inner edge (closest to the hub) on the inboard side. Took it all back apart and I can't see and reason for this. Double checked all the mating surfaces and didn't see any problems. I torqued the caliper brackets to 150 ftlbs and the lug nuts also to 150 ftlbs. Is it a problem the caliper sliders?
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Have an issue with their third brake light leaking. The shop priced 275ish to replace/fix leak. I figured a 5 dollar tube of clear OSI would do stop the leak just as well. Any reason why I shouldn't just seal the brake light instead of replace.
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I washed my truck for the first time tonight, and while doing so, I noticed what looks like water got into the third brake light on top of the cab. Is that a common issue and is there an easy fix? I've seen foam inside at the very bottom of the light fixture, it kind of looks like there are two housings though, with the foam in between. I checked the inside headliner, and everything there is dry.
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I have a 2014 RX350 and the brake pedal rattles when I use it. It seems to be loose at the pivot point way up under that dash but I can't get to it. It seems to have excessive movement side to side otherwise it works as it should.
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