Prius (Gen 2) :: Backwards Thumps When Car Was Parked
Apr 24, 2014
2005 Prius w/90,000 miles.
This morning I got in my Prius and started the car. I was waiting for my son and almost absentmindedly I put my foot on the gas enough to get the ICE revving up. The car was parked with a very slight incline forward (a few degrees at most). After a few seconds the car thumped backwards. It then continued to do that continuously with a thump about once a second. It's not a hard thump, but it's very noticeable.
It is almost as if a very small amount of power is being applied in reverse and then released quickly. I shut the car down and was able to replicate the issue. There are no error codes on my OBD2 and no unusual engine lights. Is it normal?
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I live in the mountains an back into my driveway that is on a steep hill. My car has rolled backwards twice now with the parking break engaged. The first time it came to a halt where it flattened out. Last night I had my truck parked behind it and it rolled into our recycling and garbage bins and pinned them between the car and the truck. I have a significant dent below the window on my hatch.
Manual transmission. Parking brake engaged. Car was in neutral. I usually leave my car in first when parking on a hill. I am not sure if it slipped out of gear or I left it in neutral by accident.
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Was standing in the driveway when someone was leaving in the Prius -- All of a sudden three or four thumps -- I guess when the ICE started -- sounded just like a slapping belt ... but no belts correct? ...... this was loud.
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Ever since I got my 2010 Prius (about a week ago) I always get a little scare whenever I'm backing out of a parking place. The Prius seems to think that the ideal time to start the ICE to warm it up is when I'm moving backwards and halfway out of the spot... which, of course, causes a little vibration in the car and makes me think I hit or ran over something. It really scared me the first time... especially since I had only had the car a few hours then and I'm mostly used to it by now, but every now and then it catches me off guard.
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In all the previous Toyotas I've driven, you'd turn the intermittent wiper knob "up" to slow down the wipers and "down" to speed them up. And this behavior corresponded with the marking on the wiper switch where the marker line would be thicker at the top (which I assumed to mean wider gap in time between wipes) and thinner at the bottom.
However on our Prius v, the behavior seems backwards. While the markings are the same as other Toyota's, you turn the knob "down", toward the thinner part of the marker line to slow down the wiper and "up", toward the thicker part of the marker line" to speed up the wiper.
Is this the correct behavior for the Prius v?
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The DSG in my MY08 R32 is a lemon. It thumps/clunks quite loudly when shifting into 6th gear at low speed (50-60km). It seems to make the noise a lot when it's in D mode.
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I recently had work done on my Volvo 2008 V50. The front axles were replaced, new brake pads in front, and new calipers and pads in the rear. When I got the car back the brake pedal would go to the floor... turned out the master had been compromised when the mechanics were bleeding the system. That was replaced (at no charge) as well.
All seems well except that now when I brake suddenly, which happens a lot in So Cal traffic, I feel a thump under the floor. I don't hear anything but can feel thump or a knock right under my feet (driver's side). This only happens when braking quickly. Braking at a slow speed does not produce the thump.
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So we have a new 2011 Tiguan with about 3,300 miles. I noticed a while ago that when coming to a stop, or rolling a few feet and stopping the driveline would almost "thump" when stopped. You can feel it like the torque converter is releasing, or it's engaging a gear and almost moving forward a bit. The other day it seemed to be getting worse, and it's very repeatable as an issue. This is our second Tiguan, the previous being 4motion and this one being FWD.
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I just bought this car (2000 miles) and I have noticed that it shifts gears oddly (hard to describe) and I get thumps and jolts in the transmission at low speeds, parking lot driving, going from reverse to drive.
Any knowledge of this transmission and it is possible there is something wrong?
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2011 SEL 4Motion w/ 2500 miles.
The tranny thumps sometimes at low speed to the point where I sometimes think I have been rear ended. It's the worst in stop and go traffic, shortly after coming to stop there is a thump.
Another way I can get it to do it is at a stop, let foot off brake most of the way, not all the way, but still enough where the car doesnt move. Then push the pedal back to the floor, there is a large thump...WHY! Driving me crazy. Something with the torque converter?
Also, is it not possible to let your foot off the brake and not have the car jerk forward without even stepping on the accelerator?
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My 1998 1.5 auto revs and thumps when engaging gears when cold, have read in other forums about similar probs and some say a sensor problem?. Transmission has been replaced bout 10,000km ago by previous owner maybe didn't need to be but not sure. Seems ok later in day when hot, has had fluid changed with recent service
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On my way home from work tonight cruising on the highway, heard a loud thump followed by continuous thumps thereafter. Knowing this wasn't good pulled over to find a nice big nail in my passenger side front tire, great. thought I could make it home, I was about 6 exits away...one exit later nail flew out and tire was loosing air.
- luckily for me, I had a friend who lived nearby the exit the nail flew off and put on the spare.... now my question is I noticed some camber wear on the tire.. 15,200 miles to be exact on the stock oem bridgestones.
- I know these tires are complete crap but... is this camber wear normal? I've seen other posts about it but, is it the tires? or something to do with the car? I am pretty sure my alignment is fine. If I buy a new set of tires eventually will this end up happening again? Trying to gain some knowledge for the future.
Also is it true that with AWD cars, if you change one tire you have to change all 4? because it might mess up the drivetrain or something, at least that's what I was told.
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I have a 06 toyota tacoma 4x4 automatic that thumps like it goes into gear after i come to a stop. it also vibrates at speeds from 0-35 and 35-0. what could be wrong?
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Whenever I would make a tight, low-speed right turn you could hear two or three solid thumps from the steering rack/front suspension area. I figured this wasn't good for the car only having 600 miles on it at the time, so I took it over to the dealership, and they told me this...
I know a little bit about cars, but what that means. The service advisor told me that it was a "rubber boot or bushing nearly the steering rack that was sagging." I don't really see how that relates to them tearing the glovebox and dash apart...but they clipped something in, I can't hear it anymore and apparently the part is on order.
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Normal to have a buzzing sound from the car while parked with the ac on? Its not terribly loud but can be heard inside the car with windows up.
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So, I went to a hotel tonight and gave my car (2010 Prius II) to the valet. When I came out about 4 hours later, a different valet guy said they had a problem with my car and that it had no power. But, somehow, they were able to drive in reverse and park it near the entrance. This must have happened shortly after I left the car with them.
The car would not start, but a dash light was blinking that looked like an outline of a padlock (it was blinking too quickly for me to tell). Also, strangely, the vents were blowing air (albeit, at a very low setting).
Someone with the hotel came out with a battery charger and we hooked it up to the terminal in the front engine. As soon as the battery was attached, everything in my car lit up and I was able to start it up.
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I recently discovered a squeak when the car is parked and I move the car forward and backwards. The harder I push, the more it squeaks. I went to a mechanic who told me the struts were "bad" and needed replacement.
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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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I parked the car.. Came out to proceed but car wouldn't turn on.. No lights coming on.. I think I left the lights on.. But I was only away for like 20 min.. It's a Prius ..
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I've had my 2015 Prius Two for almost 6 weeks now, and so far am loving it. However, I noticed something strange today. I'm pretty sure that when I parked at work this morning, the hybrid battery was nearly full (two bars shy of full, I think). When I came back to leave work (~6 hours later) and started the car, the hybrid battery was down to only two bars (as in two bars above empty mark).
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I ventured into the garage late last night and heard a whirring noise like an electric motor coming from my Prius. I didn't have my smart key with me. I checked the doors to see if any were ajar. The whirring kept going. After a few minutes, it stopped.
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