Brake Pedal Goes To Floor Intermittently

The brake pedal is the driver’s physical connection to the brake system, providing feedback that the driver uses to determine if there’s a problem with his brakes. 1 of 2 Go to page. 29/35 City/Highway MPG Never pay to much for a new car again !!!Awards: * 2008 KBB. The car stopped just fine, it just felt a little different. Suddenly, the pedal started to sink. hoses, etc. Over the years, water condensation builds up in the brake fluid and rusts the calipers, brake lines, or brake hoses. Hold the gas pedal to the floor, crank, and it starts. First visit - No leaks, brakes do not need replacing. Pulled in my drive the other day and was talking to someone with my foot on the brake pedal. The brake system goes up to very high pressures during hard stops. I didn't see any air bubbles. Other times it is hard and goes to the floor with almost failure to stop. Sequential pedal applications will push fluid back in to the pistons and the brakes will work as intended. the same happened to me, but i was driving on an avenue about 40mph and i had to use the e-brake to stop at the traffic light cuz the brake pad went to the floor, i checked the fluid and it was full, i took it to the mechanic and it was the MC, and i havent had any problem since 2 years ago, you shuld check it. Intermittent brake failure. The brakes felt better but the pedal is still intermittently going to the floor. When off pedal is nice and stiff,, but when engine is turned on, NO pedal. my manual disc/drum brakes do not stop very well. When I pulled into the driveway… brakes failing again, pedal to the floor. 85 300sd intermittent low brake pedal I'm going crazy trying to figure out the brake problem on 85 300sd. Low brake pedal is a major complaint on those cars. At that point, the brake pedal moves towards the floor. No ABS warning light or fault code will be found either because the limited diagnostics on this system can't tell if the dump valve is fully closed or not. Auto-repair-help. A sticking pedal, broken return spring on the pedal pivot (not sure how the 2000 is set up), or a broken return spring in the booster could have this effect. I have a '03 Tahoe and it recently started doing something funny. BAT's intermittent "pedal to the floor" syndrome is a bit of a mystery, sometimes MC rubbers get deformed a bit and allow fluid past the seals, but having replaced the MC, one would presume that sort of problem resolved. When I go to set the parking brake, it usually goes to the floor. Re: How to Tell if Brake Booster or Master Cylinder is Bad 05/17/2010 10:20 PM Just a FYI for anyone who may have problems, especially if they are having to pump the brakes to stop, or it will stop sometimes, and then other times it just goes strait to the floor (spungy feeling). Release brake pedal and measure distance to floorboard. If no leak and fluid level is ok, then there are two possibilities that spring to mind. The brake pedal will slowly sink as fluid bypasses the seal. Cold seals could be allowing the fluid to bypass and put the pedal to the floor. 5L I4 DOHC VVT-i 16V Silver Streak Mica *One Owner*, *White Glove Detailed*, EXTENDED WARRANTY AVAILABLE, Key less access, Multi Point Inspection, Convenience Package, Rear Window Defogger, Rear Window Wiper, S Package. As the brake fluid is Hygroscopic it draws in water which has very different characteristics to brake fluid when it comes to boiling points. 2) General brake system inspection by reputable shop and they report that things look good. Any help appreciated, as it has. The brake override system, also called "brake to idle" and already a common design in German cars, allows the driver to override the accelerator by hitting the brakes. Hi , just to let any one know if you have a late model fiesta 2009 onwards if you are expriecing a spongy or low brake pedal and there is no obvious reason or leaks it can be fixed. Cheapest is that the return spring in the slave cylinder is dodgy, so it's not returning fully (seen this more than once on a variety of vehicles). I just replaced the master cylinder and bleed the **** out of the brakes. This is an indication that the brake booster is receiving vacuum assist from the engine. If measurements are the same, go to step 5. New 2019 Diamond Black Crystal Pearlcoat Ram 2500 LARAMIE MEGA CAB 4X4 6'4 BOX Mega Cab for sale/lease Arrigo Dodge Chrysler Jeep Ram Sawgrass in Tamarac, FL. I tried this, and the pedal goes down lower than in test #1, but the pedal doesn't go completely to the floor. My excellent mechanic and I thought this solved the problem. After pumping brake a couple of. Add in some frozen up rear caliper pins, pad guides and possible caliper pistons and you have your recipe for a spongy brake pedal. The brake pedal clamp is attached with bolts in the pre-drilled holes on the brake pedal clamp. I Need To Pump The Brakes A Few Times As If Im Bleeding The System, Upon Pumping The Brakes The System Will Then Feel Pressurized And Able To Apply Pressure To The Calipers. Dealer reports they cannot find any problems even after showing them that the pedal does go to the floor. Came to a light brake pedal to the flloor. I have an 07 Tundra with 92,000 miles. The brake pedal going to the floor would indicate brake fluid leaking past the seals somewhere in the braking system. How to Use the Electric Parking Brake & Automatic Brake Hold Setting and releasing the parking brake is a snap with this feature. The brake booster is a round black thing that is located in the back of the engine compartment on the drivers side. In the next 5 minutes, you will have identified whether the issue causing your low pedal is in the front of your brake system or rear. Master cylinder was replaced and the intermittent brake problem went away. Then I noticed my foot was going down toward the floor. Most of the time, the brake pedal is fine. The brake pedal now goes to the floor and returns but no pressure and fluid is normal full. I have no lights. SYMPTOM SUMMARY The brake pedal goes to the floor when pressed. When braking normally the extra pressure expands the seals enough to provide normal braking. After searching it looks lie my problem is either my master cylninder or booster is bad. Also known as spongy brakes, this brake pedal feel is almost always an indication of a problem with your vehicle’s brake fluid system, and it has several potential causes. 1995 Chevrolet Lumina Euro edition. then at times it cathces and stops normally. A lack of vacuum would not cause the pedal to go to the floor. i looked all around the truck for leaks from brake fluid there is none and the brake resiviour (sorry for the spelling) is still full. NHTSA investigates Ford F-150 for sudden brake failure. Found a thread about it, said the ABS valves need to be exercised, best way to remedy an intermittent soft pedal is to find a gravel parking lot or road, get er up to speed, then slam on the brakes and get the ABS to engage - sounds like this fix works consistently, cool!. 8l with a spongy brake pedal. Right we have had a pug expert 1. 1995 Ford F350 4x4, 7. Three times in the past month, I have stepped on the break pedal and had no brakes. The vehicle may not stop or needs a lot of distance to come to a stop. july 2014 - brake problem intermittently recurs. When this happens, it stops coming out at a point that is lower to the floor than where I can feel it starting to engage when I'm pressing down. Obviously this is a little disconcerting. The service dept. Edit: FWIW, when a MC goes bad the pedal will slowly sink to the floor due to fluid leaking past the seals when applying the brakes. Had to pump the brakes like crazy as I was coming to a stoplight. Each brake got about 10 brake pumps. 2010 Lexus RX 350 FWD 4dr. When this occurs, the brakes will not engage until the pedal is nearly to the floor! The intermittent nature of this problem is what. This applies to a Saturn S-series (SC, SW, SL) and may apply to other makes and models as well. I went to apply the brakes and the pedal went to the floor. If you then keep your foot on the pedal and switch on the engine the pedal should go down. One test (that used to work in older cars) is the put hard, continuous, pressure on the break (heh, heh, heh) pedal and hold it there. Brake booster went bad about 2-3 years ago and had it replaced. A lack of vacuum would not cause the pedal to go to the floor. When the lower lights do not come on and only the third-brake light works, the brake-light switch may be ruled out. Long story short, mechanic replaced all 4 calipers (one was leaking at the seal) and all seemed fined until it happened again, but intermittently now. Air in the lines typically feels like there is a ballon behind the brake pedal (squishy and wants to bounce back). Your saying you can't push the brake pedal to engage the safety switch and allow the starting sequence?. New 2019 Diamond Black Crystal Pearlcoat Ram 2500 LARAMIE MEGA CAB 4X4 6'4 BOX Mega Cab for sale/lease Arrigo Dodge Chrysler Jeep Ram Sawgrass in Tamarac, FL. How to Use the Electric Parking Brake & Automatic Brake Hold Setting and releasing the parking brake is a snap with this feature. One of the least common symptoms of a vacuum booster failure is if when applied, the brake pedal goes to the floor. Low brake pedal is a major complaint on those cars. it's not the low idle. If the pedal now goes to the floor , something in the system cannot sustain the additional pressure and is allowing expansion/pressure relief in the system. Brake pedal intermittently goes to floor unless I tap first then I get normal resistance 4 Answers 96 Camry. To me this leaves: 1) Master cylinder. Then after taking it out on the brake pedal the brakes became hard. After testing, found brake master cylinder is failing Replaced Failing master cylinder to correct concern. Hi , just to let any one know if you have a late model fiesta 2009 onwards if you are expriecing a spongy or low brake pedal and there is no obvious reason or leaks it can be fixed. I just replaced the master cylinder and bleed the **** out of the brakes. The brake pedal going to the floor would indicate brake fluid leaking past the seals somewhere in the braking system. hello, 2006 f150 5. My pedal goes 3/4 down to the floor intermittently, when it does this the truck still stops but scares the hell out of you. The brake pedal goes right to the floor whenever it wants and I can't stop," said Chuck of Conestoga, NY. It could be an air leak (in the brake hose) or a brake fluid leak. Release brake pedal and measure distance to floorboard. You would describe this as the pedal going to the floor. No pattern. brake booster was already replaced under recall. Mechanic found rear brake pads completely gone and were cutting into the rotors. Replaced almost everything in the braking system with Lexus parts--mstr cyl, rotors, calipers. The other response I keep seeing about moisture contaminated brake fluid to me does not hold water, (no pun intended). All it takes to get normal braking back is to let off and push down again and it will work. se brake pedal to floor OK so one day I get in the car, and the brakes work fine. I usually fix this issue with pumping the brakes. 8) No leaks at all now! 9) Brake pedal seems now to go all the way to the floor from time to time, but with pumps will brake good. Almost got home and suddenly with no warning brake pedal went to floor at stop light! Pumped brake pedal once and car barely stopped while making a grinding noise. Never heard any grinding or sounds when braking. I have put 2 master cylinders, front calipers, front flex lines, front pads and rotors, rear wheel cylinders and rear shoes and I'm STILL having this problem. I Need To Pump The Brakes A Few Times As If Im Bleeding The System, Upon Pumping The Brakes The System Will Then Feel Pressurized And Able To Apply Pressure To The Calipers. The brake pedal now goes to the floor and returns but no pressure and fluid is normal full. bum wire in the switch? killing both the TC/ABS sys?. My heart rate instantly triples as I figure my brakes are out. Pedal pumps up and stays up for a while, but at unpredictable times, it almost goes to the floor and pedal has to be pumped up again. Brakes lose back pressure when stepping on the brake pedal sometimes goes to the floor and right front brake will slightly lock up if in any loose gravel no obvious signs of a leak and were bled?. Re: Intermittent Brake lights I am still guessing it is an adjustment. July 2014 - brake problem intermittently recurs. ABS Light on intermittent. Felt the the master cylinder gave out. If measurements are the same, go to step 5. Re: Brake pedal goes to floor randomly, no leaks, no air, brakes work fine otherwise – 29-01-2017, 04:31 PM When it goes, the pedal goes straight to the floor not spongy or limp,its a bottle tester,the squeezing of cheeks. When stopping, sometimes the brake pedal goes a ways lower and sometimes it's normal. Another possible reason for a hard pedal could be the combination valve and in particular the Pressure Differential Valve within it. If the revs reduce and the surging stabilizers, replace the pedal. The Brake Pedal Would Go All The Way To The Floor And Would Require 3 Times More Distance To Stop. If the pedal slowly, but continously goes down, it usually indicates the fluid is leaking past the brake piston. That will cause an intermittent low pedal that is much more noticeable with manual brakes than with power brakes. and I would encourage others who have experienced similar to do the same. Hopeful, I started the car and again the pedal went to the floor. h&k auto sales, dallas Texas auto dealer offers used and new cars. Then when I start the engine, it goes right down to floor then. All was fine until 2 weeks ago when she suffered brake failure (pedal travel to the floor) once. The brake pedal now goes to the floor and returns but no pressure and fluid is normal full. the same happened to me, but i was driving on an avenue about 40mph and i had to use the e-brake to stop at the traffic light cuz the brake pad went to the floor, i checked the fluid and it was full, i took it to the mechanic and it was the MC, and i havent had any problem since 2 years ago, you shuld check it. My experience with other vehicles is that when you can get the brake pedal to go close to the floor, your master cylinder is bad, and one half of the system, usually the front half, is leaking internally, bleeding off pressure. 1 of 2 Go to page. Also from time to time, when momentarily sat with foot on the brake, foot slowly starts to sink to the floor. Over time, too much air can enter the system resulting in a brake pedal that feels soft or lower to the floor. Brakes feel real good until slowing to about 2 mph. If I press very hard abruptly it will periodically actuate the front brakes too and slow the car down normally. can it be the adjusting rod in the brake booster going to the master cylinder when brake pedal is pressed. Pressurized fluid also flows through the hydro-boost to the steering gear to provide power steering. problem is intermittent and brakes go back to working normal. Good fluid level and no apparent leaks. To me this leaves: 1) Master cylinder. Does the pedal still go to the floor if you hold constant pressure? If so than it would indicate a fluid leak somewhere or a bad internal seal (usually in the master cylinder). THE BRAKES CAN BE PUMPED A FEW TIMES AND IT WILL TYPICALLY RECOVER ONLY TO HAPPEN AGAIN. can the pedal be pumped up? if so, the brakes may need to be bled. After pumping brake a couple of. Before going any further, generally speaking, a warped brake rotor means any brake rotor that isn’t perfectly flat and parallel with the plane rotation. View pictures, specs, and pricing & schedule a test drive today. I think it may be the brake booster. No pattern. When the engine is off you can pump the pedal 3 times and stand on it and it does not move. Didn't help Second visit - could not duplicate. One round of bleeding the slave cylinder is complete when your friend lifts their foot off of the clutch pedal. Had to slam on brakes, now pedal goes to floor? So I was driving home, and when I was about a quarter mile out, a deer ran out in front of my truck. Snug one line nut and leave the other one loose. Obviously this is a little disconcerting. Hydro-boost systems use hydraulic pressure from the power steering pump to amplify brake pedal effort. If no leak and fluid level is ok, then there are two possibilities that spring to mind. The fix was to install special front pad shims if the customer complained about the brake pedal intermittently feeling like it was going too far to the floor or if they noticed pulsating (not like when the ABS kick's in). When you brake at low speeds and with light pedal pressure, just before the truck comes to a stop the brake pedal pulses kinda like the abs is coming on. That guy looked at it and called me back with then following: Master cylinder is shot (apparently once the pedal goes to the floor after the fluid runs out like it did will cause it to go toast). The Red Brake Warning Lamp may be illuminated indicating a system failure. It feels exactly like when you pump your brakes 4 or 5 times and it gets harder and harder to push the pedal down. Brake issue resolved-I took it to another shop. I would check the master cylinder push rod for proper length because. Brake pedal intermittently goes to floor unless I tap first then I get normal resistance 4 Answers 96 Camry. Happens all the time to me too. When in "Park" the brake only takes less than 1/2 an inch to be stiff So, here's what NW Honda says on their invoice ~~~~~ Customer States the brake feel mushy Confirmed concern. When this happens, it stops coming out at a point that is lower to the floor than where I can feel it starting to engage when I'm pressing down. bleed the brakes using the scanner. Brake booster went bad about 2-3 years ago and had it replaced. The brake booster is a round black thing that is located in the back of the engine compartment on the drivers side. About a month ago the brake pedal dropped without resistance almost to the floor when stopping; no time to pump but foot to the floor pressure got me stopped. Might see if I can remember that this week and test that theory. Low brake pedal GM Fix a Low brake pedal GM - C027B GM vehicles. The brake pedal should sink quite a bit towards the floor once the engine starts: with the engine providing vacuum again, the booster starts functioning again. called me the next afternoon and said the tech could not find any problem and the brakes/brake pedal were working fine. After pumping the brake peddle a few times, they come back. my wife+s 2011 ford edge brake pedal goes to floor when trying to stop. Summary: Intermittent problem: Brake pedal to the floor, with little to no brakes. brake pedal goes to the floor with truck on so i bought this 90 f250 4x4 with a 5. If the pedal is hard to push then maybe booster. Air in the lines typically feels like there is a ballon behind the brake pedal (squishy and wants to bounce back). I haven't driven it enough to see if it will go to the floor again. In the next 5 minutes, you will have identified whether the issue causing your low pedal is in the front of your brake system or rear. This has of course happened in the middle of traffic or on some busy street when I am in the middle lane and can't get to the curb. my wife+s 2011 ford edge brake pedal goes to floor when trying to stop. today the pedal goes almost to the floor (alot of travel) and then seems to catch and stop at the point the pedal gets almost to the floor. se brake pedal to floor OK so one day I get in the car, and the brakes work fine. I have a 1986 Toyota Pickup and last night the pedal would go to the floor board sometimes. Brake fluid level is normal so not sure if anything is leaking. Reply; Nurse manda June 8th, 2018. Over time brake fluid can absorb water vapour, and the more water vapour in the fluid, the greater its susceptibility to fluid boil. Brake peddle goes to the floor sometimes after a hard braking event. That will cause an intermittent low pedal that is much more noticeable with manual brakes than with power brakes. If pedal goes to the floor and no leaks visible and not a ton of air in the system. I didn't see any air bubbles. 300D brakes intermittent Ok, so I've read a bunch on here about brakes right now but I can't seem to figure out what my exact problem would be. Hydro-boost systems use hydraulic pressure from the power steering pump to amplify brake pedal effort. So, the problem arises again. 2) Pedal goes to floor during normal braking - In a normal stop (From whatever speed), I can put the pedal all the way to the floor. Pulled in my drive the other day and was talking to someone with my foot on the brake pedal. Drove it 100 miles from Indy to Louisville. Go to a gym and start lifting some weights so you can easily press the brake pedal harder? Seriously, I've miss timed my foot getting to the brake pedal before I hit the start button a couple times, but that was just my own fault. Honda Accord: Why is My Brake Light On? Learn what causes your Honda Accord's brake lights to stay on. If you have a good pedal, you either still have air in the lines, or a bad antilock controller. Brakes work but pedal now goes to floor? My first thought was that I had a leak, but when I checked the brake fluid, I'm not seeing any noticeable loss. Pump brake pedal several times with the engine off, then push and hold down pedal and check for a drop. You'll want to check if the brake pedal goes to the floor with the engine off. 136000 mi US $150 RF brake hung up and the brake pedal would slowly go to the floor. The brake pedal should return to its normal position (step 2). Truck stops fine. So I have 06 OR Xterra MT. edited by pugh125k This tutorial will tell you simply how to check any fault codes logged in your car, in a cheap cost effective way without the hassle of paying a garage £50 for a diagnostic check Tools No specialist tools are needed, only 2 working feet are required, 30 seconds of your time and pen & paper to write down the codes STEP 1: Get inside your vehicle a firmly place yourself in. Go to the junkyard and buy a used abs/master cylinder,Bleed lines going to it ,you will be fine. I changed the booster and the master cylinder last year and did not have this problem before I did the brakes over again. when i have already come to a stop and am sitting at a stop light, with very little effort, i can push the pedal all the way down. Subaru, Forester, 2. When it goes to the floor, it doesn't stop the vehicle. If you encounter a low brake pedal or one that sinks to the floor and you've either done a repair or had a repair done lately where the master cylinder has been moved, the problem may be as simple as a missing O-ring. Brake pedal went to the floor and short thereafter BRAKE light on dash came on and Stabiltrak failure message appeared on dash display. After doing that 2-3 times for each fitting at the master rebleed the rest of the system. Brake Pedal Sinks. Problem started yesterday, and was intermittent. Vacuum is there at the booster, when I remove the check valve it hisses. The brake went all the way to the floor. BROUGHT VEHICLE INTO SHOP AND CHECKED OVER, PEDAL IS SOFT, IF YOU PUMP IT SEVERAL TIMES, IT HOLDS BREIFLY AND THEN FADES AWAY, THE REAR BRAKES WERE JUNK, THERE WERE CHUNKS OUT OF THE ROTORS, REPLACED REAR BRAKES, THERE ARE NO LINES LEAKING ON VEHICLE, REPLACED THE MASTER CYLINDER WITH A NAPA MASTER CYLINDER. Brake booster went bad about 2-3 years ago and had it replaced. edited by pugh125k This tutorial will tell you simply how to check any fault codes logged in your car, in a cheap cost effective way without the hassle of paying a garage £50 for a diagnostic check Tools No specialist tools are needed, only 2 working feet are required, 30 seconds of your time and pen & paper to write down the codes STEP 1: Get inside your vehicle a firmly place yourself in. Eventually a rust flake gets into the brake hose and works like a check valve when the brake pedal is depressed. Hydro-boost systems use hydraulic pressure from the power steering pump to amplify brake pedal effort. Put the other end of the tube into a suitable container. internal leak in the. Go to neutral, set parking brake, place in park, release brake, turn off car. Additionally, a brake can be hard to push if water builds up in the brake line or as a result of a restriction in the brake line. Always stops good. can the pedal be pumped up? if so, the brakes may need to be bled. brake booster was already replaced under recall. I took of the check valve and checked for vacuum while running, and all is good. Found a thread about it, said the ABS valves need to be exercised, best way to remedy an intermittent soft pedal is to find a gravel parking lot or road, get er up to speed, then slam on the brakes and get the ABS to engage - sounds like this fix works consistently, cool!. does the sys fail? that is to say can you spin the tires, and lock up the wheels? i had my lights come on a couple times for no reason. I believe it is a faulty master cylinder or brake booster, and can cause injury or death if it happens on the freeway or at any significant speed. 29/35 City/Highway MPG Never pay to much for a new car again !!!Awards: * 2008 KBB. Brake pedal became soft, goes all the way to the floor! If this is your first visit, be sure to check out the FAQ by clicking the link above. If your brakes are not as responsive as they should be or if the pedal "sinks" toward the floor, this could be an indication of a leak in the braking system. If your fluid levels are dropping look for fluid leaks at all 4 wheels. I thought it was my imagination My new house is on a hill. Also known as spongy brakes, this brake pedal feel is almost always an indication of a problem with your vehicle’s brake fluid system, and it has several potential causes. Replaced all four pads/rotors and performed a brake fluid flush, now my brake pedal isn't as firm as it should be, and it drops to the floor under constant pressure. Everytime you use them the fluid would warm up, which would warm up the seals and cause a slightly better seal. Problem #2: Coming to a quicker than normal stop on a less than smooth surface on dry, sunny day. Hopeful, I started the car and again the pedal went to the floor. and I would encourage others who have experienced similar to do the same. I started when pretty much all my calipers started leaking, so I replaced all 4 calipers and hoses. Gentleman, Please help. This only occurs when the vehicle is stopped and there will be several hundreds pounds force helping press the pedal down and applying the brakes. can it be the adjusting rod in the brake booster going to the master cylinder when brake pedal is pressed. Sometimes it take setting, releasing, and resetting a few times for it to grab. Again the brakes felt ok until the car was started and brake pedal went right to the floor. Page 3 of 4 - Brake failure (pedal to floor)at wits' end - posted in Spec Miata Garage: A lot about this just doesnt make sense. I let the dealership fix it after the trade, so I can't help you with repair info, however I did want to point out the about 98% of the time when I got the "hard pedal" the parking brake warning lamp would light up. Wonder if maybe that's what it is? I might test that. What happens is if you gently push on the brake and it goes tom the floor, it means the brake fluid is getting past the seals. This is especially true if your brakes go soft all at once, without any advance warning. The brake pedal in my 89 cabby will randomly push pretty much to the floor. Then after taking it out on the brake pedal the brakes became hard. edited by pugh125k This tutorial will tell you simply how to check any fault codes logged in your car, in a cheap cost effective way without the hassle of paying a garage £50 for a diagnostic check Tools No specialist tools are needed, only 2 working feet are required, 30 seconds of your time and pen & paper to write down the codes STEP 1: Get inside your vehicle a firmly place yourself in. After the repairs the brakes still did not work. Rebuilt calipers, new pads, new brake lines and new rotors and also changed the rear shoes. 300D brakes intermittent Ok, so I've read a bunch on here about brakes right now but I can't seem to figure out what my exact problem would be. then sometimes on the first press of the pedal. If this bearing goes bad it will allow the brake rotor it move back and fourth which pushes the caliper piston back into the caliper creating an air gap. Brakes have always worked well and fluid always topped off, no leaks. Brake fluid. As the pedal loses resistance, and I keep the pressure on to hold the brakes, the pedal moves down toward the floor. At times the pedal will lose almost all of it's pressure and will go most of the way to the floor. Pedal continues to get softer and softer. This guide will show you how you can detect the source of that pesky problem and have it addressed. A4 (B5 Platform) Discussion - Brake pedal goes to the floor. when i have already come to a stop and am sitting at a stop light, with very little effort, i can push the pedal all the way down. Where the MC attaches to the booster, are there any signs of fluid leakage? Intermittent problems can be really tough to diagnose. The car stopped just fine, it just felt a little different. can the pedal be pumped up? if so, the brakes may need to be bled. Additionally, a brake can be hard to push if water builds up in the brake line or as a result of a restriction in the brake line. The 2012 Lincoln MKX has 12 NHTSA complaints for the service brakes at 56,883 miles average. You said you had a good pedal for a while before it suddenly went to the floor so that eliminates trapped air or brake shoe adjustment. For a while now I have been experiencing this occasional long travel in my brake pedal. Still goes mostly to the floor. When the engine is off you can pump the pedal 3 times and stand on it and it does not move. If your car has not had a brake fluid change in the last two years, bleeding is also a good opportunity to change the fluid. With the engine OFF, pump the brake pedal until the supply vacuum is entirely gone. But what if the pedal intermittently isn't moving back far enough? Even a new master cylinder's pistons might not move back enough to open the compensating ports. They sometimes go out when hitting a bump in the road also. bleed the brakes using the scanner. With the bleed valve closed and your friend’s foot off of the pedal, open the brake fluid reservoir on the master cylinder and add brake fluid to it to ensure it doesn’t run dry as you go. Great prices, quality service, financing options may be available. When this occurs, you are placing yourself and your passengers in a potentially unsafe situation. One test (that used to work in older cars) is the put hard, continuous, pressure on the break (heh, heh, heh) pedal and hold it there. I expected the brake pedal to sit higher, more like it was when the car was new. Check the brake pedal height and free play after installing the master cylinder and adjust it if needed. As the pedal loses resistance, and I keep the pressure on to hold the brakes, the pedal moves down toward the floor. Brake fluid was replaced and system serviced. Testing for brake master cylinder problems. There may be little or no braking action when the pedal is depressed. Cheapest is that the return spring in the slave cylinder is dodgy, so it's not returning fully (seen this more than once on a variety of vehicles). If no pressure builds up when pumping maybe wheel cylinder or caliper. This will NOT cause a loss of brake fluid. i come home crack the bleeder screw on the. Brake pedal feels pretty good. So checked the brakes pads and have over 45% of pad left. Re: Brake pedal goes to floor Plugged the ports and it’s a firm pedal how it should be. Page 3 of 4 - Brake failure (pedal to floor)at wits' end - posted in Spec Miata Garage: A lot about this just doesnt make sense. Either way, your brakes need immediate attention. My dad never used the parking brake and it was inop. The incident has now been reported to DVSA. Axle bearings hold the brake rotor true without play while they both rotate. Without Warning, The Pedal Went To The Floor And The Abs Unit Came On As Well As The "brake" Warning Light. If the pedal occasionally goes to the floor and is reluctant to come back to you (ie it stays on the floor) and the MC has been recently rebuilt, then it has been rebuilt with a seal kit that is too large in diameter and is causing the piston to stick in the bore. Then when I start the engine, it goes right down to floor then. Cold seals could be allowing the fluid to bypass and put the pedal to the floor. Re: Ford E-350 Brake pedal travels to the floor: Gary Dyas: 8-13-14 : I had a problem on my 1988 Ford E-350. 10) Overall, I'm able to drive it and brake okay. Earlier this year I drove a brand new 2016 Scat at a dealer. One problem is that I can't get the problem to happen. Brake pedal goes to floor when engine is on and don't when car is turned off. Brake pedal goes to floor after pad/rotor change - HELP Hey guys I just changed the front pads/rotors on my gf's 2003 SE. When the brakes start to fail like that on a hill and you are pressing the pedal with all your might, it is a good thing to remember that there is an eBrake right to the left of your pedal. If you are driving a 2009 Ford ESCAPE, or if you are planning to purchase one, then it is important that you review reported Service Brakes problems and defects. This is happening intermittently. c) It is possible that there is a fault in the hydraulic pressure regulation, but unlikely ( the brakes modulated normally with pedal pressure, if not feel, when the pedal went 'hard'). Then when I start the engine, it goes right down to floor then. You have probably have air in your brake lines. 2000 Saab 9-3 con. Everytime a clutch is engaged, the clutch disc and other components are subjected to considerable heat, friction, and wear. NISSAN TITAN Service Brakes problems : 35. When I pulled into the driveway… brakes failing again, pedal to the floor. With truck running pump the brake pedal several times and hold pressure on pedal after third pump. if you store a car for a long time its good to "exercise" any hydraulic system (brake/clutch) to keep the seals lubed up and working!. Check the brake pedal height and free play after installing the master cylinder and adjust it if needed. bleed the brakes using the scanner. Common brake problems, such as a soft brake pedal, pulling to one side while braking, or vibration while braking can have serious implications for your car's health (and your health, in turn!). Pedal goes almost to the floor.