Lexus IS 2014+ :: Humming Noise From Right Rear While Turned Off
Jun 10, 2016
This is a first for me. Came in last night after my 140 mile commute and pulled into my garage and turned off my car ('16 IS350F). This morning(approx. 10 hrs.later) I went into the garage and heard a humming noise. I thought it was the refrigerator, but as I walked around the back of the car,it was obvious the noise was originating from the right rear. It sounded(to me) just like the fuel pump running,but that made no sense as it isn't on the "hot" battery bus...ie: it doesn't run until the accessory power is provided. I got in the car and cranked it....let it run for a couple of minutes and shut it down and the humming stopped.
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So I went into my garage last night to shut the door. I heard a slight buzzing/humming noise coming from the car. I narrowed the noise to under the truck of the vehicle. It sounded like a fuel pump was running. I don't know when it started, but it was about 5 hours after the car was driven last. After a little research, I found this in the manual page 8:
"Approximately five hours after the engine is turned off, you may hear sound coming from under the vehicle for several minutes. This is the sound of a fuel evaporation leakage check and it does not indicate a malfunction."
I started my car and it stopped after that. Could this be The case of why some people have dead batteries on the 2014? Maybe this runs to frequently or stays on too long?
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2015 IS350 AWD ... Lately I have noticed on a cold start that when my idle is between 1000-1500 rpms, there is a slight buzzing/humming noise. It goes away if I rev the rpms past 2000 rpms and also when it drops under 1000 rpms. It's almost like a droning noise. I can hear it inside and outside the vehicle when the rpms are in that range. I feel like the noise is made at a certain frequency and it causes a vibration to occur.
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I have a 2015 IS250 Base with TRANNY PROBLEMS
After 185 miles on the vehicle, I reported the problem to Lexus and the Tech that test drove with me said I was hearing things. Apparently there was a humming noise coming from the transmission.
The noise became evident and consistent, took it back in again, the Tech says its normal and DI engines make a lot of noise.
After six months and 2700 miles the noise became annoying, Tech said they will look into it and confirmed it is unusual. Test drove about 5 other new 2015, used 2014's and no humming noise present.
Engineers made two trips over a five week period from Cali. They changed the alternator, which at first they thought was the problem, then they started looking at the fuel pump on the engine, then they swapped out a tranny from a loaner and the noise disappeared. They took out the loaner tranny and ordered a new tranny and installed it.
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Checking my garage before going to bed last night and hear motorized humming coming from rear of the GX. I slide underneath and it seems to be coming from the spare tire area. I started the engine, then shut it off and the noise went away. The noise reminded me of the air suspension pump on my old Denali, but my Gx has the standard suspension.
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Today I went in may garage and heard a humming from the rear of my 2014 prius. I assume it is the hybrid battery. This was several hours after the car had been driven. I turned the car on and then off and the humming stopped. Is this normal? I know it is common for it to hum immediately after you turn the car off for a bit, but several hrs later?
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Faint humming/whistling noise coming from the drivings side of the motor. I can hear it when I put my head next to the drivers wheel well, and most certainly from that side of the motor when the hood is popped. It's not super loud, but it is noticeable. I know we have Direct injection motors, so I know that ticking is completely normal. Am I overlooking this and being paranoid? Car has 2100 miles on it. I don't know if it was there when brand new.
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Several times I have gone into my garage to hear a weird noise coming from under the rear of my car, almost sounds like a small air compressor, like one you would plug into the cars power source. If I start the car and immediately turn it off the sound stops, otherwise it will continuously run. The sound does not always present but when it does the car is completely off and the key is not anywhere near it.
Here is a video, you may have to turn up the volume, the video is dark as it was shot from under the car. [URL] .....
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Not sure if my 13' rx350 is haunted. Went in the garage (car had been sitting for hrs) and heard this pound humming. Checked everything in the garage and kneel down near driver side /passenger door and could hear the humming coming from under the car. Checked to see if the radiator fan was running ..nope. This has occurred on 2 occasions that I know as it seems to be random so I am concerned if I take it to dealer I'll get the "can't duplicate"...
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I changed my cabin filter on my 2013 Dodge Grand Caravan and now there is a humming noise when AC or Fan is turned on. The noise increases and decreases with fan speed. I tried putting the old cabin filter back in to see if the new one was loose or defective, but the humming noise was still there. I also made sure airflow arrow was pointing downward. Could it be that a leaf or something fell off of the filter and is now in the blower. How do I check the blower?
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This morning I heard a "strange" buzzing noise coming from the rear of the vehicle and I don't know what it is.
As background I drove my IS250 for about 1hr yesterday and parked it for the night around 10pm inside a garage. This morning at around 7am (9 hours later), I came down to the garage to hear the buzzing "fan" noise. I am not sure what it is. The vehicle was OFF. I managed to record the noise.
IS250 Buzzing noise - Car OFF for 9hrs - YouTube ...
That said, the buzzing noise couldn't be something left on overnight... since the battery was fine. The car proceeded to start just fine. What do you think it is? Can it be some sort of fuel vent pump or something?
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I've noticed a couple of times with my 2014 Luxury edition a noise coming from around the spare tire area when the vehicle is parked and shut off even for several hours. Could this be the air shocks?
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I have noticed since I got the car( 6 months ago), when ever I have passengers in the back seats i hear a clunking noise coming from the right rear suspension area.
( I don't know if this is from the suspension or not and I only notice this noise when there are passengers in the back). The clunking noise is really annoying.
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For the last couple of weeks I've been hearing a weird noise towards the rear end of my car when I accelerate, seems like it's worse when I'm going uphill, sounds like a box of shoes moving freely in the trunk of the car. At first I thought it was something in my the trunk but I have nothing loose, the spare wheel and all attachment are pretty well secure. The only thing that I can think of is that the dealership installed the F Sport exhaust to it, but not sure if that should be making that type of sound. Sound is pretty low but it still manages to upset me, specially since my car has less than 3k miles on it.
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Lexus IS300... The sound is coming from the rear. It appears to be left rear. It comes and goes, but seems to intensify when accelerating and right turns. It's annoying. It's embarrassing. I have taken it to several different shops and nobody seems to be able to figure it out. What it could be?
See the video below to hear the noise : [URL] ........
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I have noticed a very mild cyclical humming noise at exactly 70 mph. Initially I thought it was the original Bridgestones but it continued after I had a new set of Michelin PSS mounted. The noise can only be heard if the car is on a smooth road and the radio and AC are off. I was wondering if it may be a wheel bearing or issue with the differential. Not sure. Its not a big deal but would like to get to the bottom of it if possible.
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I just got a 3rd gen IS 1 month ago, but the last 3 weeks there is a rattle noise coming from the rear door on the driver side. I went to lexus twice now but they were unable to fix it and they told me to wait till the car breaks in.
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My ES350 is always parked in my garage. One afternoon, I went into the garage to get something and I heard a humming sound coming from the car. It was very hard to identify where it was coming from. It sounded like a low horsepower compressor of some sort. I put my ear next to the rear wheel on the drivers side as this was the area the noise appeared to be coming from.
This is the second time I've experienced this happening. A couple things to note:
1. The car had not been operational for at least 8 hours.
2. There was no indicator lights on the dashboard flashing.
3. All doors were closed.
4. It seems to happen intermittently and I can't replicate on my own.
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I took control of a new GTI 2014 Wolfsburg last Thursday. I let my Jetta go early and was able to get into the GTI for a steal. Just got it tinted (photo above), already have a Unitronic intake on the way from CBTuning, I have KW V3's all set for installation, Stabila F+R swaybar in the garage, 034 endlinks in the garage, Whiteline W.A.L.K. kit in the garage, an SPM 3" 'track' downpipe currently on order, SPM trans and engine mounts on order, HPA puck in the garage, and am already working out plans for a custom cat-back exhaust. I will be going Stage II Unitronic for both engine and DSG and will be cleaning/tucking the bay a bit.
But first, a problem... On my first long distance drive to lower Delaware on Friday, I began hearing a 'hmm... hmm... hmm...' noise at 65+ MPH as I drove down 95. It go louder the faster I went, so I eased up figuring a tire or wheel was just screwy.
I brought it back to the dealership Friday afternoon and just had it returned today. All four tires had bald/flat spots and the front left had a nasty bubble, all of which they replaced at no cost, feeling that this was the issue and the solution.
However, I took it out tonight, about 2 hours ago, and the noise returned, the same hum at the same speed (65MPH) and up. I Google'd around and found some solutions that it could possibly just be a bad wheel bearing. The car is brand new and as of tonight, I only have 340~ miles on it. Also, the noise is not constant, but rather every other second, 'hmm.... hmm.... hmm....'.
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So far I've been through 1 set of tires (after 12,000 miles), stepper motor, new cd changer, trouble with TPMS system and more Now that my stepper motor is replaced (dealer said he wasn't aware of any widespread trouble with this part, what a joke) I hear a humming noise, constant from rear axle area, drowned out by engine while driving. Noise sounds like a fan spinning or electronic interference you might get if your cell phone is close to a computer or tv with volume off. I don't recall this noise previously although I rarely drive this car it's my wife's.
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There is a humming noise coming from the right rear of my R, I'm going to guess that it is the furl pump running? If not I don't know what it could be, or if usually that loud...
Second, I was thinking of getting adjustable rear control arms. I was going to get just one set, to adjust the camber to 0.0 instead of the -1 or so that they usually ride.
Third, I was also contemplating getting upgraded motor, trans, and dogbone mount. I was told it would cut down on transmission noise while letting off the gas pedal whence driving.
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