Golf V R32 :: Crunchy Feel Through Brake Pedal When ABS Is Active
Feb 14, 2014
I've had my R32 for a week now and I'm starting to develop some questions. This is one that I haven't been able to find an answer to by searching, so here it goes. When the ABS is active (coming to a hard stop on snow and ice, for example), I get a really strange almost "crunchy" feel through the brake pedal. ABS I've experienced on other cars hasn't been this harsh so I'm not sure if it's normal on these.
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I own a stock 2010 golf with 22k miles on it. There seems to be a problem with brake feel. Brake pedal feels way too soft and there is way too much pedal travel for brakes to engage. Car won't start decelerating until pedal is pushed nearly 1/2 of its total travel length. However there seems no problem with stopping the car. On hard braking car stops well (with ABS). Another problem is brake feel isn't linear.
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So after my first track day i bleed my brakes and they felt great for about 3 days, but then the pedal feel started to deteriorate back to its old crappy feel where nothing happens until its depressed to the same depth as the gas pedal...
In other words, I have about a solid 1.5 inches of travel with nothing happening.
Fixes? Bleeding procedure? I heard we have to prime our abs pumps? yes no?
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Car, 1993 Ford Festiva, 199,800 miles, original clutch, 5 speed manual transmission. Had the shifter cable replaced about 2 years ago, so that's not it. For almost the past year or so, there's been a lot of freeplay in the clutch pedal, like you have to press about halfway to the floor before you start separating the clutch, but no slipping of clutch. Mechanic said usually when clutch is slipping it will grab near the top. Its been, like, for the past few months I really have to make sure I've got the clutch pedal pressed ALL THE WAY to the floor to shift the gears. Like it grabs way down at the very bottom. And it seems the gears don't shift smooth like they used to, like the shifts are getting "crunchy" for lack of a better word, this is hard to describe in a post.
So anyway, sitting at a light, light turns green, felt a 'POP' as I pushed the clutch pedal close to the floor. So now the pedal pushes down very loosely until about the last 2 inches or so, and at any rate, almost impossible to shift gears. I can kinda jam the gears if the vehicle is moving, but taking off from a stop is darned near impossible, I can kinda jam it into second gear and rev the engine to get going. (And I only did that in order to get home) Actually I was about 80 miles from home when this happened, fortunately I was near a major interstate, only had to contend with 7 traffic lights and managed to hit 3 of them green. Rolling along in gear (any gear) seems fine, almost impossible to shift.
Car now sitting on front lawn, tried (with motor off) shifting the gears, with or without clutch pedal depressed. Gears feel 'crunchy', i.e. doesn't shift smoothly doesn't want to go into a gear. I was thinking along the lines of maybe a clutch spring or a synchronizer broke when I heard the 'pop'.
And this is off--topic, but to top it all off, I get in my other vehicle to go to the store, and within half a mile the "check engine" light comes on, but that's another topic, you can tell I had one heck of a day, someday I'm gonna buy me a new or newish car I'm getting sick and tired of patching up my rolling junkpiles, but for a variety of reasons which would be off-topic and thus verboten.
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So this morning I go out to my GTI to start up and release the E-Brake and the lever barely goes down and feels Squishy/Crunchy like your smashing a plastic water bottle. It rained last night and it was a bit cold (by So Cal standards, around 50 F, I know, we're all little schoolgirls in So Cal about the weather.)
So I raise and release the E-brake lever several more times and it gets a little better but not really. I manually push the lever down all the way to make sure the Brake light is not on and then drive to work. When I get to work and pull on the E-brake, it is fine. I raise and lower the lever a few more times and no sticky.
Of course, where I park the GTI faces a row of glass windows and I realize every time I raised and lowered the E-Brake this morning the HID DRL's were turned on and off several times, probably killing my HID's ....
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My girl just purchased a 2012 GTI and noticed her brake assist is not active when at a complete stop. I have a 2011 GTI and my brake assist is active when releasing the brake and starting off in first gear. How I can activate this for her as she is still new at driving manual?
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Last week I picked up a 2016 F-350 with the 6.7 diesel. Since then I have put about 4500 miles on it and gone through 2 or 3 regenerations. About half the miles were empty, half were with about 1500lbs of cargo in the bed. Mostly interstate driving at about 70mph.
However, every time the "cleaning exhaust filter" message comes on in the screen it feels like the truck looses all power for a second. The first time I was going up hill with cruise control set at 70 and it felt like stomping the brakes then hitting the gas all within a second maybe.
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My 2002 camry has a vibration feel while pumping the brake pedal (no other vibration from car). It happens, when you drive slow or fast and stop. Happens when the engine is not even turned on and the brake pedal is just pumped. Its hard to describe the feeling other than zig zaggy on the way down, pulsating, etc. It starts to feel this way on the way down and halfway through the press ends smooth.
I took it to a auto mechanic two days ago and he stated the car had zero brake issues. Rotors and pads are in good condition (sometimes these are the cause for the vibration, but only when driving and stopping), fluid level are good etc. I asked him to test it out and pump it slowly or adruptly, at standstill or while driving, but he still couldn't understand what i was talking about. Researched on the net and found out the likely problem has to do with either Brake booster pump or Master brake cylinder. From a tsb (like a recall note from toyota, see below) , it seemed certain it had to do with the master brake cylinder. I took it to Toyota today and they stated it had to do with the brake booster pump instead , its not worth fixing bc it cost an arm and a leg. Just now i stopped by Active Green + Ross at 110 Gerrard and he stated that its most likely the Master Brake Cylinder, since if you were to pump on the brake while the car was off, turn on the ignition, and if the pedal goes down smoothly , the booster pump should be ok. (it does go down smoothly)
He also stated that for a refurb master cylinder (non toyota) + labour it would come out to 250 bucks. The dealership was going to charge me 1500 for the booster pump and labour. They also advised not to used non toyota parts.
This issue does not hamper safety issues with the car. Its more of an annoyance that i'd like to take care of. I also don't want to pay 1500 for a car with 150k on it.
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When coming to a hard stop and downshifting using engine braking, is it normal to have the brake pedal feel like it loses pressure to where the brake pedal pushes down further towards the floor for a split second? What causes that to occur?
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Carefully modulating the brake in this car to offset any jerkiness caused by the DSG riding the gears down eventually became second nature to me and I am pretty good at keeping things nice and smooth. As of late however, my brakes are all over the place and it's driving me insane. If the person ahead of me stops short pulling up to a light and I need to follow suit, my brakes will often BITE hard resulting in a not so subtle jolt. Other times I don't get nearly as much stopping power as I think I should given how much force I'm putting on the pedal and I really have to bury it at the last minute. Not sure if these are a factor of the DSG downshifting at just the wrong moment or what, but it's gotten a bit unnerving.
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My GTI is about a month old and I just recently started to notice a slight crunchy sound if I accelerate from 1st gear really slow (right around 1k rpm, maybe a little higher). You have to be going pretty slow and it goes away the second it goes to 2nd gear. It's almost like a creaking wooden floor but more metallic sounding, or driving over a soda can... It's really hard to describe.
I noticed this about week 2, but it seems to have gotten a little louder since then, or maybe i'm just going crazy... I have my first complimentary check up tomorrow morning. They are also going to be installing the waste-gate clip for the rattle noise, which I also noticed after the first week or so.
I will post on the results when I bring it up to the dealer tomorrow. In the meantime. I've looked around and one forum seemed to have a similar sound described, and said it was also the wastegate rattle, just not in the typical 2k-3k rpm range... I'm just hoping it's not a finicky dsg/mechatronic issue with the clutch not disengaging correctly.
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I swapped my fluid and ever since I did that my clutch and brake pedal are pulsing/vibrating only when I start the car. It almost feels like ABS pulsing but on both pedals and the car is obviously stationary.
I followed the procedure from the manual and did all 4 corners and slave.
Brakes work fine/clutch is fine...
I must have done something to upset the BRAKE system?
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Have a problem starting Mk7 gti. My car won't start or shuts down and get a message in the display says immobilizer active. Had it towed to the dealer sat overnight and problem started up the next day. They drove it around most of the day and when I picked it up it wouldn't stay started or start and same message on the display came up.
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2015 Lexus IS 350 AWD.
Any time I've been driving for 10-15 minutes, my foot starts to feel like pins and needles because of a buzzing/vibration feel from the gas pedal. If someone were to drive in stop and go traffic for 5 minutes, they wouldn't notice it. However, it takes me 30 minutes on a highway to get to work and my foot is on the gas pedal the entire time. However, within several minutes of having my foot on the pedal, I get this sensation as described above and it gets so annoying that I almost don't want to have my foot on the gas pedal any more.
I did change my tires when I first got my car with Michelin tires but kept the stock rims. I did this so I can save the run flat tires for when I return my vehicle after the lease is done. I highly doubt its from the tires as there are no vibrations or other feelings in the steering wheel or seat. The car is otherwise smooth.
However, I feel like there are these buzzing vibrations in the foot well of this vehicle. What it could be? I know these gas pedals are metal but I find it hard to believe that would be the reason.
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When I Accelerate It almost feels like I am fluttering the gas pedal. Its weird on my car now I have revo stage 2, a TIP, 42DD TBE, 4bar FPR.. Do I need to buy a race n75 vavle ?
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Maybe I'm just too picky or my imagination is kicking in. In the last week or two, I noticed a grinding like feel on the stick, the steering wheel and the gas pedal (just a little, not too much), something like a bracket or plate loose somewhere and I can feel it more the faster I go. This can be reproduced by just pressing the clutch a little right up to the point where actually start engaging. I had the same feel on my Maxima and it was the heat shield. Am I alone on this one?
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After almost 12,ooo miles, I'm starting to experience some kind of buzzing resonance that come through to the dash, console, and can feel it in the gas pedal. It's weird because it will happen when accelerating and decelerating too, but not it's not a constant occurrence. I wondering if the motor mounts are loose? The ICE runs great and the transmission seems to be operating as smoothly as ever. It's just odd that this started just recently.
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I have a 1995 Ford Ranger 4 cyl w/ hydraulic clutch, about 95k miles, and an intermittent problem. Normally, my clutch works fine, but a few times a year, normally during the summer, and normally only after driving for a half hour or more, it starts to act up. First, the pedal starts to feel a little spongy. Then, I'll depress the clutch, and when I release it, the peddle comes up, but the clutch does not engage; a few seconds later, the clutch engages fully instantaneously, which usually stalls the engine if I am stopped.
Then, when I try to reengage the clutch so that I can restart the engine, the clutch is very stiff, and I have to pump it a few times, at which time it will depress easily, and then I am usually back to the original problem where the peddle comes up but the clutch does not engage. When I finally make it home and the truck sits for awhile, the clutch then works fine again. I think it is the orig clutch. I have talked to several mechanics about this problem (including the Ford garage!), and they are mystified. One mechanic thinks that it is a problem with the master and slave cylinder combo, and can replace them.
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I have a 1997 Subaru Legacy sedan with a 2.2L engine with AWD. When I step on the brakes I hear a ratcheting type of sound and feel pulsations in the brake pedal.There is no problem with brake performance that I have noticed. We have replaced the front rotors and front brake pads.We also replaced the rear passenger side brake caliper. It still makes a loud ratchet/groaning-like sound. It makes the sound when you first start braking after starting the car and intermittently while driving. It's not constant when you step on the brakes.
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So, it snowed pretty good this morning and there was about 3-4 inches of snow on the ground. I pulled out of the driveway as usual (in reverse), I get to the end and I'm turning and I noticed a vibration like something was rubbing against the wheels, I thought maybe something to do with the snow and wheels lost traction or something. Then I continue driving and when I step on the brake moderately hard (normal braking), I get this vibration like something is stuck in the wheel well and the brake pedal vibrates. If I very gently press it, it doesn't happen. So i pulled over and check the wheel wells and rotors and nothing seems out of whack. Is this the ABS? The pedal shakes quite a bit.
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I have a 2013 golf r with 12k miles and I remember the next day after racing it my brake petal started vibrating every time I step on it.
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