Prius (2004-09) :: Inverter Generator Grinding Noise When Braking Above 7 Mph?
Oct 18, 2012
My car was making a weird grinding noise when braking above 7mph. I did the neutral brake thing and seems to go away sometimes. The dealership said it needed new rotors and brakes, so I went ahead and did that with them, then called me to let me know the sound did not go away. Now they are stating my grinding noise is coming from the "inverter generator" which is what they said was the transmission. I am just curious why this goes away sometimes and if it's related to my previous issues with the car.
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Bought my Prius (2005, with 160K miles) about a month ago and since I've had it I am hearing a metal on metal grinding noise when braking at low speed. How loud the sound is depends on how hard I am on pushing on the brakes. One of my co-workers has the same model and said that his does not make that sound. Not sure if its just because it has after-market brake pads or something? This noise only occurs when braking at low speeds (below 10 MPH) so I assume its an issue with the front brakes.
Is this something I need to get looked at by the dealership? I had a local mechanic that worked on my old Honda beater take a look and he said that the rotors and brake pads looked new and wasn't sure why they'd make noise.
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So my dealer diagnosed my 2007 Prius with a transaxle issue, but what bothers me is that it doesn't make the sound all the time. When I brake lightly, there is no sound and when I brake heavily there isn't either. It is only when I do a medium brake above 7 mph of course and around 20's mph range. I am hoping for something besides the transaxle...maybe a wheel bearing...anything.
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I may be worrying over nothing but lately when I brake or accelerate I hear a grinding noise on my radio. I listen to AM. With my other vehicle it usually meant there was a problem somewhere.
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Just purchased a used 2008 prius with 80,000 miles on it. Braking system makes slight grinding noises when getting below around 10mph. I know the brakes are different, so I'm not sure if this is normal or if it means my brake pads need replacing? Car didn't come with an owners manual .
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I've read a few posts about the Prius braking system. Just wondering what other owners have done when they experience the metal grinding noise and when brakes need to be replaced. My car has around 67,000 miles. I was planning to take it to a Toyota dealer, although prefer to find a certified Prius or hybrid mechanic at an independent shop.
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The topic is as much as I can say to what my car's problem is.
2010 Prius II with 50k miles now.
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I have a big red triangle on the pump is making noises not loud noises sounds like it's operating correctly there is no turbulence in reservoir and when I squeeze the hose the level in the reservoir goes up-and-down which leads me to believe there is no blockage in the pipe coming out of out of the pump.
My handheld scanner and torque on my android tablet only gave me my oxygen sensor code which I know about and I'm going to replace when the weather gets hot I am wondering if the coolant pump would throw a code that these devices would be able to pick up or do I need to go to the dealer or find a shop which is capable of reading the HYbrid codes?
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2004 Jetta GLI V6 24v 6 speed ... This started a few years ago, but it was happening in 3rd gear only -- therefore I avoided engine braking in 3rd gear all along. The noise was a pretty loud, noticeable grinding/spinning noise. 3rd gear while accelerating or maintaining gas worked and still works perfectly, smooth as can be.
Somewhat recently (6mo-1yr ago) all the other 5 gears started making this grinding noise, some more than others. 1st gear I don't really know because I don't engine brake in 1st. However, 2nd, 3rd, 4th, 5th and 6th (barely noticeable but still there) all make the noise. I now of course avoid all engine braking, however even the transitional steps between gears can be heard sometimes ... unless I perfectly match the RPM etc, but I'm just trying to get to work and back here ...
The car is still quite drivable, but with a major obstacle (pain in the ass) and a new clutch is probably around the corner -- I have 107K on it now. However ... a few years ago when it had 26K on it .. it didn't need a new clutch yet 3rd was still making that noise.
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I purchased (2/17/16) a 2009 Toyota Prius with roughly 73,000 miles. I have recently (the past 4-5 days, except the brake issue that occurred a couple of weeks ago) encountered a number of issues. The issues occur intermittently.
First, while braking, usually when it's raining or damp outside, I might hear a grinding sound like grains between the pad & rotor. Or, the car will be gliding to a stop then at about the 4-6 mph range the brakes will grab and the car comes to a complete and abrupt stop.
Second, while idling in 'P' the engine will engage and the car will shift forward about an 1-2" then roll back (as if bucking). My foot is off the brake pedal. I have the sensation that the car is going to drive itself.
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I recently had the inverter pump replaced under recall. it now makes a the pump noise even when I am driving. I hear it when car is not fully warmed. Back when it had the original inverter pump, it only made noise at startup and shut off.
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I recently purchased a brand new 2013 Hyundai Elantra and I have noticed that I sometimes when I brake fast but not fully slamming on them from going about 60-80km I hear a loud grinding noise. When this happens the roads are dry so I know that it is not caused by slippery or wet roads.
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Quick back story, bought the car a year ago, seller told me it was in an accident and the radiator was replaced. He let me know that the discharge AC hose was missing and that the other hose was disconnected. I also noticed that the low pressure cap is missing. I recently ordered and installed the discharge hose with the intention of filling the system later.
I have always noticed a noise/vibration coming from the passenger side when braking at low speeds. I havent noticed at higher speeds but maybe there is more road noise. The best I can describe the noise is that is sounds like a compressor running. I have a hunch it's the AC compressor and might be related to the regenerative braking, but I am no expert.
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I just had new pads(ceramics, not sure of the brand) all around and new front rotors installed from a local shop that I trust. When braking while cold, there is a grinding sound and feel, I took the car back to the shop, they've acknowledged the issue, double checked their work, and are willing to replace the pads if it continues, which it has. Is there a break in period for ceramics, should I specify a different type of pad.
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My car is making metal grinding noise when coming to a slow stop when you are stuck on traffic or going into your driveway. You can hear the sound and feel the sound.
I had this issue a year go and i took it to the dealer and they told me that i need to replace my rotors and my front brake pads.
A year later the noise came back and they told me that i need to replace my pads. I replaced my front break pads and a month later the noise is back. I went back and checked my pads and the pads were still new.
I only hear the sound when braking after driving in a heavy traffic or on a stop and go traffic. I don't hear the sound when i start to drive or driving in a non traffic condition.
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I have an 06 Prius that I have had for about a year or more now. When I bought it, it needed a transaxle. I replaced that and have been driving it since. I have this problem that seems to be getting worse. When I push the brakes the car will make a popping noise, and it seems to be getting more frequent. I do not get any noticeable noises when turning or just driving normally.
The noise is quite noticeable, when I am in a parking lot and hit the brakes next to someone, people will give me the look like "what's wrong with your car". I am not positive where this noise is coming from, but my best guess is that it is coming from the right side. The popping seems like something is bound up and then releasing. I can also replicate the noise some times when I initially accelerate. My best guess is that it is being caused from the engine/trans weight shifting, but I am not sure a motor mount can make the popping noise I am getting.
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I bought a 2004 that was hit in the front. I have it mostly put back together. However, after doing the major work I wanted to start the vehicle and move it. So I plugged in the main battery plug and re-hooked up the 12V battery. Then the dash lights lit up as well as a bunch of the idiot lights and I could hear the inverter making noise. When I push the power button, nothing.
I am at a loss because when I bought the vehicle it had a broken engine mount. When I was putting the car in neutral it tried to start and I didnt have all the dash lights lit up. Of course I turned it off immediately because of the engine mount. Now I have a bunch of lights on and no start.
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My Prius has developed a disturbing noise over the past 2 weeks. I believe the noise is coming from the front, driver's side. The faster I go, the louder the noise. It begins shortly after accelerating and doesn't stop until I stop the car.
I didn't think it was a mechanical noise, but now I'm not sure. I feel a slight vibration in the accelerator pedal while the car is making the noise. I'm wondering if this is something in the axle, wheel bearing, transmission, or what.
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Basically I have two problems which will be looked at by Toyota on Friday. But I need to arm myself with ammunition in case I have a debate with the service/repair guy.
Firstly my gen 2 decided not to start for about 10 minutes and gave me the red triangle with an exclamation mark before everything went back to normal again. The car starts every time now but the triangle appears briefly at the start which I don't think was there before. Could this be the 12V battery?
Another thing is grinding noise on full lock to both left and right. What could this be?
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So, the sideways coolant tank in the engine compartment, not the one next to the grill, but the one that is sort of between the air filter box and that shiny metal square
I have always thought that tank was slightly low, but it has a seam just about where the full line is, so I was never sure....finally about three weeks ago, I worked up my courage and put a few ounces of coolant in that tank. THEN it was up to the full line.
So, a few weeks after adding the coolant, I had the water pump recall done. Now the coolant level is back down to where it was before I added....so I am assuming that the correct level is just below that seam that seals the top of the plastic tank to the bottom part of the tank.
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I am getting a slow coolant drip from my inverter . The very slow leak appears on the left side of inverter when facing the front of car with hood open . The connection point alum tube to coolant resevoir black rubber tube. The inverter coolant connection reservoir tube side is damp to the touch and has visible red goop buildup.......
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