Buick Brake Pedal Goes To Floor When Engine Running


94 Silverado looses power when tramping ges pedal to the floor 6 Answers 94 Silverado, 5. 7L L6 - Diesel Catalog Laramie Longhorn 6. test the booster with engine turned off, pump brake pedal until pedal goes hard then hold foot on brake pedal and start engine. The yellow light illuminates with brake compression; usually always, then goes off. Have yet to replace the master cylinder, waiting for someone more experienced to take a look at it. If the power unit is operating the pedal will drop slightly. Apply the brake pedal with approximately 100 lbs. I go the front left ( yes out of order) but I did the foot game and got clear fluid. Now the mecanic is telling me it's an ABS controller issue and they don't make them anymore. Drum brake upgrade. While the brake pedal is still pressed, open the bleeder screw. Less pressure will be needed to hold the pedal down. Brake pedal sinks. At this point I have contacted somebody about special procedures for purging air from the ABS pressure modulator assembly and hope to hear back from them soon. The following steps tell you what to feel for. Do not use GM fluid He said that was the first time they had run into this at this Dealership, and this Dealership has sold quite a few Enclaves. hello all, my door locks have been acting up for a few months and though it is annoying it hasn't stopped the car from running. Brake pedal goes to floor when engine is on and don't when car is turned off. If you pump the brakes with the car off the pedal goes from feeling soft to completely firm because it exhausts the vacuum reserve in the brake booster. I have a 95 K1500 Chevy Stepside 350 truck with automatic trans. Most of the time, when your brake pedal goes to the floor, a steel brake line has rusted through. Apply the brake pedal with approximately 89 Nm (20 lb-ft) of force. If the brake pedal becomes either really hard or really soft, pull over as soon as possible and call for assistance. The most common type of acute failure is when the brake pedal sinks to the floor when pressure is applied. Pull off the road and stop. When I pump the brakes without the engine running the pedal feels good and barely goes down. Press harder on the brake pedal and hold a steady, firm pressure to see if the pedal fades, or gradually begins to move downward while you hold it. Leaks in the brake booster provide a vacuum leak to the engine. When the air is out pump the pedal and then bleed the RF first. Sinking/Spongy Brake Pedal???? With ABS SYSTEM!!Watch this before you buy a master cylinder!!It does happenIts Not always a Master Cylinder Issue! Must Watch! Check out My Amazon Auto. brake pedal or applying the accelerator pedal, the engine will restart. Do not use GM fluid He said that was the first time they had run into this at this Dealership, and this Dealership has sold quite a few Enclaves. The booster requires 18" of vacuum to operate at full efficiency. SECTION 3-B 1955 BUICK FUEL SYSTEM TROUBLE DIAGNOSIS. They are difficult to bleed at times, especially if you don't have anyone to help you. If the brake pedal sinks more than10 mm(3/8 in. (Note: I turned the key on (engine off), pressed the brake pedal until the tail brake lamps came on and measured (pedal to floor distance) ~ 1/4"' Do this before you remove the sensor. Get unparalleled service from us today. I have a 2000 F-150 extended cab and had the brake pedal go to the floor today. I have taken the van into 3 shops. A brake pedal that is functioning optimally should feel firm, as if it has a tight hold on the brakes. With no vacuum [pump the brakes a few times with the engine off] , the pedal should be high and hard. If you have a vehicle with brake pedal creep at idle, what can be done? Best thing I can suggest is if your car has a hard pedal without the engine running and the vacuum exhausted. Our customers know that the value of their antique or classic car depends on the quality of the parts they use, it’s that simple. I never pedal-bleed with a helper. The booster has no effect on the pedal going to the floor. It ends up this vehicle has very good brakes on it so we do just take them apart and put them back together for you. Have good brake pedal without engine running very little movement. Yes, one corner that has a lot of air will give a real spongy brake pedal. Don't push like you are panic stopping, but simply hold pressure like you are sitting at a red light. I got in it to go to town, and the brake pedal does to the floor, Checked the whole truck and could not find any fluid leaks. With the brake pedal pressed down hard without starting the car I then started the car and the pedal immediately began sinking to nearly the floor. Gravity bleed the front and rear brakes, preferably running an entire brake fluid bottle through the system. CarComplaints. the MC and lines were bled. -Engine off, brakes are spongy and not firm. Re: Why does brake pedal depress when engine runs?. Push the brake pedal firmly for 4 - 5 times to the floor, and maintain the brake pedal pushed to the floor, engine idling. How to fix a brake pedal that sinks to the floor in your car, DIY with Scotty Kilmer. 2006 double cab 4x4 brakes dont grip very well and pedal travels all the way to the floor. Then I use an adapter from the brake flush machine to my mightyvac. With the engine off depress and release the brake pedal several times to eliminate vacuum from the power section. All lines have been bled starting at the RR, LR, RF, and LF No air present. Just Like the Title Says Legshot is driving the Buick Riviera wearing some Real strappy 5in Black Dress Stilettos. My pedal goes to the floor, but after a significant amount of pressure on my part(not driving, just sitting there pumping it with the engine on). When I pump the brakes without the engine running the pedal feels good and barely goes down. Ok, stopped by the local shop and the guy told me if this was a master cylinder issue, the brakes would feel very hard when you step on the pedal. But this is a different story and GM must properly address it - bleeding the brakes is only guessing, is no answer. I suspect that the booster is faulty. Where should I start looking. Did you bleed the system? If you replaced the whole caliper then a bleed is a MUST. I suspected a problem with the master cylinder but the interweb is telling me this is 'normal' for some tdi's, and something to do with the vacuum. You most likely need a front brake job, which should include truing or machining the two front brake rotors to make them smooth again. Also, make sure you pull the brake pedal all the way up when bleeding the brakes to make sure you get the master cylinder to move it's complete stroke. What happens with the car running, in park, when you really stand on the pedal and keep heavy pressure on it? Does it slowly sink to the floor? If so then yes, a seal has probably gone bad in the master cylinder and fluid is leaking past the piston. 1937 Buick Special Business Coupe: A Restoration Journal — Part 26. The diversity of Buick models should ensure that there is something for every motorist, no matter which style of car they are looking for. bleed the brakes using the scanner. Service Brakes Hydraulic Problem on the 2000 BUICK LESABRE. Bench bled before install I have not installed the new rotors or pads in the front yet. Red Hound Auto Clutch or Brake Pedal Pad Cover Compatible with Chevy Buick Century (1977-1981) Astro (1985-2005) and Many Other 1990-2012 Models with Manual Transmissions Only Add To Cart There is a problem adding to cart. Well I was told there was no leaking fluid so the brake master cylinder is bad. Why Does My Brake Pedal Go All The Way To The Floor Just replaced the front pads on my 2002 Nissan Frontier and now the pedal goes to the floor and I have very little to no braking power? Do I need to bleed the system?. By gravity-bleeding, if there did get some air in the lines, it will usually float up and into the reservoir if you push the brake pedal slowly, so it takes about fifteen seconds to go half way to the floor. Brake pedal goes to floor only when engine running? 1998 Chevy Siverado 1500 2wd with a 4. Bled entire system. A simple way to test the Hydro-Boost system is to pump the brakes five or six times with the engine off to discharge the accumulator. It should not matter what wheel or axle you start to bleed on a dual system, as you're going to "circle" the brakes several times while bleeding. twice at intersections while holding the brake pedal down it would suddenly drop about 1/2" lower. When bleeding rear wheels, the pedal will go to the floor when the bleeder is open. (been sitting for 2 years). Release the pedal quickly, then do that a few more times. If the brake pedal does go to the floor with a very soft application- then the master cylinder is leaking internally - I think this is rare now. Have double and triple checked for leaks and there are none. Find local 2017 Buick Verano prices online. My current problem is with the brakes. Bled it on the lines, and the pedal still goes to the floor. I bled the master cylinder before and after installing, I disconnected the power booster vacuum then the pedal works properly, I doesn't sink to the floor. We then road tested Joans car on our MOT brake tester. Want to make your 2008 Buick Enclave one of a kind, keep it running at its peak, or turn it into a high-powered beast? Our vast selection of premium accessories and parts ticks all the boxes. With engine running, brake pedal goes to floor. Pedal was hard as a rock. I can't stress enough to not mashing the pedal to the floor. Pedal should drop and then push back against your foot. Press the brake pedal with your right foot and shift into neutral turn the ignition key to start and release as soon as the engine start. Without the proper vacuum level, a brake booster will get a progressively harder pedal and eventually end up at a point where you feel like you are pushing against a wall. 4 L four-cylinder engines. Bled them againsame Purchased a $90 power brake bleedersame result. when i push the brakes on my 93 dx the pedal goes right to the floor checked the fluid and there is plenty of fluid in the canister says full. Every car, truck, and suv has the same hydraulic brakes operating the same way. Totally normal. Vacuum is provided by a hose that connects to the booster and the engine's intake manifold. If it's the brake system you're having problems with, the components you might. This is super dangerous and should be addressed as soon as possible. Oh, and pumping them only brings them up slightly. Do not use GM fluid He said that was the first time they had run into this at this Dealership, and this Dealership has sold quite a few Enclaves. The leak may coming from a brake line or one of the brake calipers. I had to park my car last November because the brake pedal was going to the floor and wasn't safe. The new install allows you to run a line directly to the back brakes as with the front, now making them completely independent of each other. Also new: The 2010 LaCrosse is available with all-wheel drive. Make sure your brake pedal is adjusted properly and the booster rod is set properly. engine off I have pedal with resistance. twice at intersections while holding the brake pedal down it would suddenly drop about 1/2" lower. If the power unit is operating the pedal will drop slightly. Brake light comes on and pedal goes to floor. Bled entire system. This is Part 4 as we watch this from different angels and from the floor as Legshot works the gas pedal and the brake pedal driving in a 1985 Buick Riviera with a Big chrome gas pedal. Came back from the test drive and and noticed the brake peddle all of a sudden went to the floor. Engine Size : 5. Brake pedal firm when engine not running. If the pedal still has one or two assisted applications before getting hard to press, likely no leak exists. ABS works, thats for sure. CarComplaints. Start the engine and the pedal goes to the floor and brakes are poor. The garage that did the work is stumped. 2006 double cab 4x4 brakes dont grip very well and pedal travels all the way to the floor. Bench bled before install I have not installed the new rotors or pads in the front yet. Brake pedal is hard with engine not running. the MC and lines were bled. my fluid is full no leaks. The most likely suspects are a breach in the brake system that is allowing brake fluid to escape or air in the brake lines [source: 2CarPros ]. We are experiencing an issue where the brake pedal goes nearly all the way to the floor at least once or twice daily. The pedal is stiff until the engine is started then it goes to the floor. If a hose lets go or a saboteur has sawed through one of the brake. 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!). com : Car complaints, car problems and defect information Latest News. If the power unit is operating the pedal will drop slightly. The pedal is hard when engine is off. Brake pads and drums are in good shape do not need to be replaced. The brake pedal on my 1998 Camry travels lower when I start the engine and when sitting for a little while at a stoplight; my Haynes repair manual says this is normal for 97-01 Camrys. My current problem is with the brakes. In this case, the unit was located just outboard of the steering column in order to clear the engine. The ABS light is off now because I had one of the ABS lines replaced because it rubbed on the tire and broke. twice at intersections while holding the brake pedal down it would suddenly drop about 1/2" lower. If the brake pedal does go to the floor with a very soft application- then the master cylinder is leaking internally - I think this is rare now. This allows the fluid to spew out there instead of applying the brakes. 3 liter engine. While the brakes themselves seem to work fine, if I continually apply pressure to the pedal, it will sink to the floor. Brake pedal goes to the floor when engine is running. (Setting the e brake takes all the free travel out of the rear brakes, basically eliminating them from having to travel when the brake pedal is applied) The fact that the pedal goes to the floor only when running tells you that the booster is working. I cant see any brake fluid leaking, the only thing i suspect is a wheel cylinder in the back, would that cause this problem?. Up until today, the brake pedal was firm when pressed to stop. In the meantime, the car is still rolling. I am positive that I did not introduce air into the brake system. brakes bled pedal goes to floor when started Broke a brake line replaced can't find any leaks. 2006 double cab 4x4 brakes dont grip very well and pedal travels all the way to the floor. Just throw a chunk of 2 x 4 on the floor under the pedal. The most recently reported issues are listed below. With foot slightly pressing brake pedal, start engine. With no vacuum [pump the brakes a few times with the engine off] , the pedal should be high and hard. If the light is still on after the vehicle has been pulled off the road and carefully stopped, have the vehicle towed for service. Don't push like you are panic stopping, but simply hold pressure like you are sitting at a red light. com : Car complaints, car problems and defect information Latest News. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. I suspected a problem with the master cylinder but the interweb is telling me this is 'normal' for some tdi's, and something to do with the vacuum. If I sit in the car with engine off the pedal is firm, go away for 1 hour and then depress pedal it goes to half way, not so firm. He said dealers would suggest some expensive fix especially when the owner does not know anything about cars. Start engine. The brake pedal on my 1998 Camry travels lower when I start the engine and when sitting for a little while at a stoplight; my Haynes repair manual says this is normal for 97-01 Camrys. Have double and triple checked for leaks and there are none. one eyed mick. The fronts allow pedal travel to about 3/4 of the way to the floor and push fluid, but then the pedal stops hard, wont go to the floor, and the fluid trickles out. When the brake pedal is released or the accel-erator pedal is pressed, the engine will restart. If you have any of these symptoms even though you have not worked on your brakes, check for leaks, fix where necessary and then proceed to bleed your brakes. B) On the last push of the brake pedal, hold moderate pressure on the brake pedal. Next up, a brake component has failed causing the brake loss. I am positive that I did not introduce air into the brake system. On a hard stop, the pedal will go to the floor if you really push it (the car still stops). With no vacuum [pump the brakes a few times with the engine off] , the pedal should be high and hard. Re: Spongy/creeping brake pedal with eingine running Sign In If your replacement master isn't defective, you have all the air out of the system, and there are no leaks, the only thing left is the ABS hydraulic control unit. When you start the engine, they go right to the floor. Pics of : Brake Pedal Goes To Floor Only When Engine Running. With engine running, turn steering wheel until lightly against steering stop. Would air trapped in the ABS affect the pedal feel? Are there other possibilities that I should check, or is the best course just to keep bleeding? The vehicle is a 2002 Buick Lesabre. If you then keep your foot on the pedal and switch on the engine the pedal should go down. Hi - I own a 2006 Suzuki SX4 which has recently developed a brake problem. When I turn the car on, and apply the brakes gradually, i can essentially hit the floor with the pedal. At this point I have contacted somebody about special procedures for purging air from the ABS pressure modulator assembly and hope to hear back from them soon. hello, 2006 f150 5. The brake pedal feel should be the same as normal power assisted brake operation for at least one application. This is super dangerous and should be addressed as soon as possible. You most likely need a front brake job, which should include truing or machining the two front brake rotors to make them smooth again. Bled the 2 front lines. Rather than holding the pressure generated by the master cylinder and using it to apply the brakes, the leak allows the pressure to dissipate and the fluid to leak out of the system. Ive noticed that anytime I make a U-turn (on the street or dirt) my pedal also goes all the way down almost to the floor. If the brake pedal does go to the floor with a very soft application- then the master cylinder is leaking internally - I think this is rare now. Start engine with pedal depressed. But it is an interesting question, if those who are accustomed to driving with one pedal will retain the muscle memory to switch quickly to the brake with the appropriate modulation. Brake pedal goes to floor only when engine running? 1998 Chevy Siverado 1500 2wd with a 4. Bled the brakes per your suggestion and the brakes were working good Took it for a short drive on the back roads and brakes were working perfectly. This database includes information received by NHTSA from consumers either directly or as recorded by the Vehicle Safety Hotline. no one can improve the brakes. In the last several month the vehicle has stalled, steering locks up, brakes go completely out, it doesn't have an electrical and because it has an electric emergency brake there is no way for her to stop. Another person remove the dust cap and loose the brake caliper bleeding screw until the brake pedal goes to the floor. Depress the pedal and hold down with light pressure, 15 to 25 pounds. Check the brake pedal reserve distance with the engine running. Vacuum is provided by a hose that connects to the booster and the engine's intake manifold. Again note, how far did it travel? Now without releasing the pedal, start the engine. Brake pedal is hard when engine is off. Pump the brake pedal five or six times. Buy replacement parts for 2012 Buick Regal at Go-Parts. 2010 Dodge Journey - Brake Pedal Travel Hi, I was changing the rear pads and rotors on my sister in law's car today and noticed that the pedal travels all the way to the floor. Red Hound Auto Clutch or Brake Pedal Pad Cover Compatible with Chevy Buick Century (1977-1981) Astro (1985-2005) and Many Other 1990-2012 Models with Manual Transmissions Only Add To Cart There is a problem adding to cart. If you really forced the brake pedal down, the vacuum leak was as loud as an engine with a large vacuum hose off. there is no leak or by-passing of the master cylinder rubbers. -Engine running, the pedal drops even further as expected, almost to the floor. Understanding why this happens is vital to preventing it. 3-4 HARD STARTING OF A 1955 BUICK. Ships from. Also while sitting at a stop with the engine running it became possible to continually push on the brake pedal until it reached the floor. Find 2005 Buick LaCrosse recalls information, reported by the NHTSA, and we will help you find a nearby service center where you can get your car fixed. Brake failure is one of the scariest experiences possible in a vehicle. When I push the pedal with engine running it goes to the floor. And It made no difference what so ever. Unlike the previously impossibly hard brake pedal, the wagon now has a much softer pedal that actually stops the car without needed to use both feet and all nearly break the seat. I have taken the van into 3 shops. 3) Panic stopping - When going to panic stop, if you press on the pedal real fast, the pedal gets hard to push down, and you can feel about a second before the brakes. But check for leaks first because brake boosters are pretty expensive and are no fun putting on. the distribution valve was changed to a proportion valve that mounts to the same location. (Note: I turned the key on (engine off), pressed the brake pedal until the tail brake lamps came on and measured (pedal to floor distance) ~ 1/4"' Do this before you remove the sensor. 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. Attempts & Checks so far: Double-checked the Vacuum lines thinking it might be the Booster, however the booster would make the brakes harder to push not softer and there weren't any issues with the lines. While the brake pedal is still pressed, open the bleeder screw. The old original single cylinder master cylinder did its job. My pedal is a bit spongy and if I press the brake pedal very hard I can get the pedal to hit the mechanical stop. It can be pushed to the floor with little effort. A common symptom of a leaking brake line or hose is a brake pedal that steadily drops to the floor as the brakes are applied. Thanks for the reply. They told me when they were checking the truck out the brake pedal went to the floor. A) With the engine not running, press and depress the brake pedal several times to remove any vacuum from inside the booster. Do not floor the brakes. Pump the brake pedal several time with the engine off, then keep it slightly pressed down. Does the pedal slowly sink to the floor? Or does it just go down to some level and stay there? If it sinks, then you probably have a bad master cylinder. Start your car with your foot on the brake. approaching a stop sign), the pedal will very slowly start sinking all the way to the floor; however, a simple lift of the foot and re-application will stop the car as it typically. I don't have any leaks and they work fine until I start the car. 2 i-CTDI Sport] and I'm from South Yorkshire. Pedal is firm. Start the engine, and keep your foot pushing down on the pedal. Checked underneath for leaks while wife pushed on brake pedal, saw nothing leaking or dripping that I could see. rear drum & wheel cylinder and master cylinder. The brake booster had a tear in its internal diaphragm. I'm going to try to get it into Hyundai this week to have them look at it (it is still under warranty). The pedal will drift towards the floor as the vacuum booster helps you apply the brakes. Page 278 There are only two reasons why the When the brake/clutch fluid falls to a brake fluid level in the reservoir low level, the brake warning light might go down: comes on. 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. 2013 Ram 2500 Laramie Longhorn 6. The diversity of Buick models should ensure that there is something for every motorist, no matter which style of car they are looking for. I was able to remove the vacuum line from the Brake Booster and I performed the definitive test. If the brake pedal becomes either really hard or really soft, pull over as soon as possible and call for assistance. I have a 2002 Buick Rendezvous with a somewhat mushy brake pedal. Up until today, the brake pedal was firm when pressed to stop. brake pedal or applying the accelerator pedal, the engine will restart. My Buick has been knocked out of alignment apparently, and I had this aligned quite recently. Stop the engine and let the vehicle stand for 10 minutes. The pedal is hard when the engine is off and extremely soft when running. I got in it to go to town, and the brake pedal does to the floor, Checked the whole truck and could not find any fluid leaks. You might need to rebuild your master cylinder. Pushing the pedal slowly pushes brake fluid down the lines while letting air float back up. Never had that nice firm feeling with this setup. EG - firm pedal with engine off - start the car with foot on brake - after engine running, pedal will slowly depress almost to the floor. twice at intersections while holding the brake pedal down it would suddenly drop about 1/2" lower. Oh, and pumping them only brings them up slightly. The pedal is hard when the engine is off and extremely soft when running. Then press down hard on the brake pedal and then start the engine. Brakes fade to floor. Can't get a hard brake pedal with engine running - goes to floor - HELP! - JeepsUnlimited. pedal still goes all the way to the floor and truck wont stop. By gravity-bleeding, if there did get some air in the lines, it will usually float up and into the reservoir if you push the brake pedal slowly, so it takes about fifteen seconds to go half way to the floor. Brakes were fine and bled before bushing job, but I opened a line not knowing I didnt have to take a front caliper off so I re-bled everything. This is super dangerous and should be addressed as soon as possible. I'm aware that there is probably air in the system somewhere, but I've bled through a significant amount of fluid with no bubbles coming out. Also, he said brake fluid cannot leak to the booster because it is a vacuum. Rather than holding the pressure generated by the master cylinder and using it to apply the brakes, the leak allows the pressure to dissipate and the fluid to leak out of the system. Engine hesitates around 1800 RPM'S & then accelerates fine. My Buick has been knocked out of alignment apparently, and I had this aligned quite recently. Bled the brakes per your suggestion and the brakes were working good Took it for a short drive on the back roads and brakes were working perfectly. Have yet to replace the master cylinder, waiting for someone more experienced to take a look at it. I recently did a complete brake job and replaced all four rotors and pads (it happened before that too), as well as the master cylinder. Reasons Your Brake Pedal Goes to the Floor. So I ruled out the master cylinder, since I just replaced it last week. You most likely need a front brake job, which should include truing or machining the two front brake rotors to make them smooth again. One quick test for leakage, is to turn the engine off and press the brake pedal. ABS works, thats for sure. All lines have been bled starting at the RR, LR, RF, and LF No air present. Aerated Silicone Brake FluidSilicone brake fluid is known to aerate easily, giving. The brake pedal goes nearly to the floor and barely stops the car. Brake pedal sinks. A common symptom of a leaking brake line or hose is a brake pedal that steadily drops to the floor as the brakes are applied. Never had an issue. Dealing With A Low Brake Pedal. If you do not it could be 1. I have brake fluid, so what could be the problem? I have a 1998 Buick with less than 35000 miles on it. If you do not have a diagnostic scanner you can try bleeding the brakes with the engine running to get the ABS pump to help bleed the air through it. Note: We specialize in 1970-72 Buick's but our Fasteners fit many other GM Makes & Models. VW tested it and I did with a tester. Check the hydro-boost for leaks. Depress the pedal and hold down with light pressure, 15 to 25 pounds. Put my finger over the hose and it has good suction. Didn’t help Second visit – could not duplicate. Well today is the first snow we've had, first ive driven it in the snow. With the engine off, the pedal comes up solid and I can't get it to the floor even with both feet and a hernia. I got in it to go to town, and the brake pedal does to the floor, Checked the whole truck and could not find any fluid leaks. Brakes were fine and bled before bushing job, but I opened a line not knowing I didnt have to take a front caliper off so I re-bled everything. (been sitting for 2 years). The car does brake but not very much. Start the engine, and keep your foot pushing down on the pedal. Brake fluid was replaced and system serviced. After parking the vehicle and turning off the engine, the tachometer gauge will read OFF. Today, the cars master cylinder fluid reservoir has a divided container. If the brake pedal sinks more than10 mm(3/8 in. one eyed mick. When this happens the booster may make a "gulping" noise when the brake is applied. How far did the pedal go now? If the pedal doesn't sink with the engine not running, there are no leaks internally or externally. The fronts allow pedal travel to about 3/4 of the way to the floor and push fluid, but then the pedal stops hard, wont go to the floor, and the fluid trickles out. Leak from Brake Line or Brake Caliper. Here's an additional reason a brake pedal could go all the way to the floor: a bad brake booster. I assume when brakes were bled (2 person method) pedal was pushed too far down and master cylinder was damaged. Want to make your 2008 Buick Enclave one of a kind, keep it running at its peak, or turn it into a high-powered beast? Our vast selection of premium accessories and parts ticks all the boxes. VW tested it and I did with a tester. Learn more about the most common brake issues and their solutions, here. Go Kart Throttle Cable Parts Kit When installing a go kart throttle cable following the free go kart plans that I have on my site, I used the following throttle cable parts from the kit. Re: Clutch Pedal soft, no resistance, does not engage clutch I know this is an old post but I figured I'd add my 2 cents as it might help future searchers. thanks for your help. I also replaced the MC and power booster. recently noticed when brakes are applied that the pedal will slowly sink to the floor causing my foot to be pressing the gas pedal at the same time. Reconnect the vacuum booster hose and run the engine at fast idle for 10 seconds. The brake pedal has pressure when the truck is off but with it running the pedal goes to the floor pretty easily. Warning Always use caution when working around an engine that is running. bleed the brakes using the scanner. Note: We specialize in 1970-72 Buick's but our Fasteners fit many other GM Makes & Models. They're replacing the engine and that took a few weeks for the Buick dealer to get because there were.