Prius C :: Clump Sound When Take Foot Off Brake Pedal Quickly

When I take my foot off the brake pedal quickly, like after a stoplight has turned green, the brake pedal makes a “clump!” sound. I have looked at the pedal mechanism and it is for sure coming from that area. It sounds as if a rubber bumper should be there, but is not. When I take my foot off more slowly, no sound comes from the area. Is this something I need to put on my 5K checkup list? My car has 1700 miles on it now.

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Prius (2004-09) :: Foot Is Always Slipping Off The Brake Pedal

My friend has a prius and had her brake pedal sawed off modification. Funny cause she says that her foot is always slipping off the brakes now. It was always a bogus fix, to fix nothing caused by errant drivers.

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Prius (2004-09) :: Brake Pedal Seemed To Push Back On Foot - Warning Lights

I drove my 2005 Prius 2 hours and parked it for 5 hours. No problems on the trip down. I got back in it and it started up just fine. I was sitting in the parking lot with my foot on the brake (hadn't moved yet) and the following occurred:

The brake pedal seemed to push back on my foot
The red exclamation point illuminated
The yellow exclamation point illuminated
The ABS light illuminated
The VSC light illuminated
The red parking brake light illuminated (not shown)

All of these lights point to the skid ECU. It seems like my skid ECU is toast or something called the ABS & BA & TRAC & VSC Actuator is an issue (never heard of it but I see it connected to the skid ECU). I did a visual check of what I could and everything seemed in order. I pulled a bunch of fuses and I didn't notice any that were blown. (I didn't pull them all but will tomorrow)

After not finding anything, I drove back home. As expected, I had no regen but the bigger problem was that I had no power assist on the brakes. A few times I actually did skid and the car brakes really bad without regen or power assist. If it was raining or snowing I could definitely see a hazardous situation.

I'm kind of at a loss here. Tomorrow I'll pull the kick panel down and see if the skid ECU is getting power but I can't think of anything else that would cause this situation.

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Prius (2004-09) :: 2005 - Noise When Taking Foot Off The Brake

I have 2005 Prius, 53K miles on it. Bought it as used car few months ago. It has been running great since then.

Since last few weeks I have been hearing a soft beep every time I take foot off the brake. Today I had my windows down while driving and I realized that the soft beep is actually a loud noise like squeak or beep. I can hear a noise every time I take foot off the brake (NOT when putting foot on the brake).

Anyone can standing near the car or other car drivers at red-light can hear the sound too.. This happens when- the Car is in D, I take foot off the accelerator and press the brake (to slow down or complete stop) then take foot off the brake.

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Prius (2004-09) :: No Whirring Sound After Shutdown

I have a concern about not hearing the whirring sound after shutdown anymore. I know that the sound comes from a small electric-pump that pumps 3 liters of coolant into a thermal container (to keep it hot) everytime I turn the hybrid system power OFF. When the power is turned back ON, the coolant is pumped back into the engine.

I've noticed that after I got an oil change and tire rotation at Pep Boys the sound is no longer there after shutdown or power up. Then after a couple of days I took the car to the dealer to fix the tire rotation (because Pep Boys didn't do a good job at rotating the tires, there was a woo woo woo sound while driving) and the dealer also did a multi-point check, but they didn't say anything was wrong with the car.

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Prius (2004-09) :: 2005 - Strange Whirring Noise

I have a 2005 Prius with 218,000 miles. Over the past month or two it's started making a horrible noise, which has finally gotten to the point that I can barely stand driving it. I used to keep my radio around 25 or so, but now need to crank it to twice that to hear anything. I can't tell what it is - it sounds vaguely like wheel bearings, but somehow different. The front bearings and a trans drain/fill was done by an independent shop 6,000 miles ago. That shop says the noise is the transmission and definitely not the bearings. My Toyota dealer says the noise is the bearings and definitely not the transmission.

Here are two videos I took this afternoon, which seem to more or less capture it, though it does sound a bit different recorded on a phone than in the cabin:

(this one has a clearer example of the noise)

Background:

I didn't have any complaints with the car until just before the 200,000 mile service was due, when I started hearing front bearing noise (I've had bearings done in about 5 vehicles, so it sounded pretty obvious to me). I brought it to the dealer and was quoted an outrageous amount for front hub assemblies (they told me they couldn't do the bearings, only the whole hub assembly), sway bar end links, alignment, transmission flush, tire rotation and the engine top end service.

I got a much better quote from my local mechanic who I've used for about 3 years, so I had him do the work. This was back in June, at 212,417. He said that they'd never done the flush on a Prius transmission before, but they had the shop manual and were sure of the procedure, and that their Valvoline rep confirmed the correct fluid, and gave them a written warranty in case of any problems. He did note that "a fair amount of metal shavings came out with the old fluid" when they did a drain and fill (not a flush). He also told me that the tires were worn unevenly so I could expect a bit of road noise after the rotation and re-alignment. They an oil change, sway bar end links, front bearings, tire rotation, alignment and reans drain and fill with Valvoline Max ATF, "Toyota Type WS fluid spec." He told me the same thing about the front hubs being complete assemblies, and the part he listed (PBR930641) appears to agree with that.

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Toyota - Corolla :: 2005 Decelerates Suddenly With Foot On Gas Pedal

I have a 2005 Toyota Corolla with 312,000 miles. I was driving in extreme desert heat, uphill, ac off, and the car continuously stopped. Gauge did not show overheating. Engine light has been on because of the catalytic converter/exhaust system. Got some repairs. Now, it's doing what it originally did. With my foot on the gas pedal, driving along smoothly, suddenly it feels like I've just braked -- chugs a couple of times like it's going to stop, slows, then goes back to normal for a while. Continually doing that. Especially when it is very hot outside. Already had the ECU replacement from the recall.

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Prius (2004-09) :: High Pitch Whirring Sound For About 10 Seconds

It's been cold, but I've been driving. When I park and power down, I'm hearing a high-pitch sound...like a fàn...it lasts about 10 seconds.

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Prius (2004-09) :: 2006 - Motor Whirring Sound After Turning Off?

We are only one week in to owning our 2006 Prius! Question is why does it sound like a motor whirring sound after turning it off? It only lasts 20 to 30 seconds, just wondering if this is a normal sound?

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Prius (2004-09) :: Unexplained Whirring / Whining Sound During Deceleration

My "05" Prius has 164K, I'm the original owner and I have had great success with this car. I know some owners talk about the loud whining humming sound from the A/C unit which I am aware of but this newest sound is different and after 4 hours with a Toyota tech all they can come up with is an A/C compressor going bad. I only hear this sound after I reach 40MPH+ and then decelerate. It then winds down with the speed of the car sometime intermittently. If I accelerate it goes quiet.

I've also tried speeding up to 40MPH and then move into neutral. It will stop the noise. I'm adding a video and I realize there is standard road noise but if you watch my energy monitor you will hear the noise whirring winding when the green arrows point back to the electric motor. Pay close attention to the viseo frames at 13 seconds, 22 seconds and again at 29 seconds. Turn up the volume. Of course inside the cab it is much more pronounced. I'm finding it hard to believe this is an A/C compressor. Sounds more like an electric motor whining/whirring. I'm concerned about driving my car for safety reasons.

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Sebring - Chrysler :: 2006 - Low Buzz Sound While Foot On The Gas Pedal

There is a low buzz sound when I have my foot on the gas pedal. It doesn't seem to effect acceleration or anything. At first I thought it was a wheel bearing but the noise disappears when I remove my foot from the pedal. The Sebring has 65K miles on it.

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Prius (2004-09) :: 2008 - Constant Whirring Sound When Engine Is Running

My 2008 Prius has started making a noticeable soft whirring sound whenever the engine is running. You can hear it both inside and outside of the car. The sound lasts exactly 30 seconds, then pauses for 4 seconds, than repeats . When the car is turned off, the sound can be heard for about another 10 minutes before it shuts off entirely.

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Prius (2004-09) :: Electric Whirring Sound When AC Compressor Starts Running

I have a 2009 Prius with about 56K miles on it that I absolutely love. Now I know from reading in the forums an my own experience that when the A/C compressor starts running you hear an electric whirring sound. My question is... is it a cause for concern when the sound it makes seems different -- the pitch sounds lower to me now. The A/C still works fine, but I didn't know if this changing sound means the compressor was on the way out.

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Prius (2004-09) :: Whirring / Roaring Sound From Front Driver Side

Prius owner. I have 200,000 miles on the car and have done nothing except change the oil, tired and battery. No other maintenance was performed.

While driving straight the front wheel seems to vibrate some and make a whirring/roaring sounds. When turning to the left the noise is greatly reduced. When turning to the right it still exists.

Any potential causes? Possibly the struts? They as well as all the front end components are original.

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Hyundai - Elantra :: 2013 - Thunk Sound And Lurch When Release Foot From Brake Pedal To Go Into Drive

After driving in the rain and starting the car again after a few hours (as in starting the car again after work, or starting it first thing in the morning) the following happens: As soon as I release my foot from the brake pedal to go into "drive," there is a "thunk" sound from the rear of the car as well as a lurch. A soft "thunk" may have a soft 'thunk" sound, but a louder thunk will have a pronounced lurch/jerkiness from the rear. The car drives OK and has no problem with braking when I apply the brakes.

It happens only after driving in the rain. The dealer says the sound and movement are the normal result with disc brakes wearing off the rust on the rotors. Other wet weather concern (happened once): while driving in a couple inches of snow, the brakes began to grind and eventually failed to bring the car to a stop. Dealer rotated the rear rotors (due to uneven wear, although I had the car only two weeks at the time) and installed new rear brake pads. He said grinding brakes on an Elantra are normal in rainy, snowy, and dusty conditions. Is my car really safe to drive? Is there a problem? I'm considering trading it it as I don't feel safe. It is an otherwise OK car.

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Prius (Gen 2) :: 2004 - Clicking Sound When Brake Pedal Depressed

I have another small issue with my 2004 Prius. I just noticed yesterday that the second I very lightly depress the brake pedal, a little clicking sound is made down below. It sounds like it might be coming from the brake pedal itself or somewhere underneath the hood. It's only when I depress the pedal slightly and it makes pretty much the same sound when I release the pedal. I just had a 5000 mile service done to the car and there were no issues then.

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Prius (2004-09) :: Quirky Sound When Press On Brake Pedal

I can press on the brake pedal when car is off or on and there is a kind of quirky sound made. I can hear a pump sound and then a squeaking or quirky sound. It happens every time I press the pedal when it is stopped, either on or off.

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Prius (Gen 3) :: Low Whirring Sound When Parked In Garage

I parked the little dear in the garage about 9:30 last night. I went into the garage this morning around 6:30 and I noticed how still and quiet it seemed. I then opened the garage door and went outside for a few minutes. When I came back in, I hear a low whirring sound. I went back outside to listen, but it was definitely coming from the Prius, perhaps near the back, underneath.

The hatch was open; I closed it, but the sound didn't change. The fob was in the house, and I didn't open the driver door, so it wasn't the brake pump. It lasted at least 2-3 minutes, at which time I was too bored to continue listening, and I went back to weeding and watering.

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Elantra XD (2001-06) :: 2004 - Making Whirring Sound And Won't Start

I've got a 2004 Elantra, 4 Door Sedan. My wife drove it yesterday and parked it. She later attempted to start it, and it won't start. When she turns the key, the car makes whirring sound like it's about to start up and gets to the point just to where it should turn over, but never does. Lights come on, etc, so it appears it's not a battery issue. We're not super mechanically inclined, but sometimes things like this can be easy fixes.

On another quick note: her car had it's engine light come on a few weeks ago. Took it to the car parts store and read it as a catalytic convertor issue. It went away after she refilled up on gas, so we figured maybe it was some bad gas.

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