Elantra MD (2010-15) :: Significant Lower End Knocking Noise At Warm Startup


May 8, 2012

My 2012 with 5300 miles on it (oil change at 4400 miles) is now making a pretty significant lower end knocking noise at WARM STARTUP, as in when the car sits for about 10 minutes when I go into the store. It lasts for about two seconds, but it's significant and it's loud. It seems to have started about 500 miles ago and I can't say it was due to the oil change. Oil level is full and clean - I check it every weekend, even on a new car. Could this be a timing chain noise? Don't know. All I do know for certain is that this is very irritating and embarrassing for a new car. People around my car when I start it look at me like and seem to say "Really?"

Cold startup on my car is actually surprisingly quiet, compared to my Nissan Frontier V6.

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Elantra MD (2010-15) :: 2012 - Lower Pitch Whining Noise

my 2012 hyundai elantra makes a whining noise when it first starts. It is not a high pitch like a belt. It is a lower pitch. What this might be?

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Elantra MD (2010-15) :: Noise At Startup From The Engine

Hearing weird noises at car start-up from the engine?

My 13' Elantra Sedan has around 3K on it and a weird noise comes from the engine at start-up.

Sometimes it goes away quickly and sometimes it will linger for a while.

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Elantra MD (2010-15) :: Loud Noise On Startup When Car Is Cold

When I start my car I hear this very loud noise. I think it is coming from the exhaust but not sure. This only happens when the car is cold(not weather) and after a few minutes the noise is gone. I have aftermarket lowering springs on the car, do you think that caused the problem?(I'm thinking no)...

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Elantra MD (2010-15) :: Loud Engine Knocking Noise

My car has 63 000 km and engine is making loud knocking noise all the time. Dealer took a quick look and he asked head office. Now he wants to run some tests to see which valve is bad. He's hesitating between repairing or replacing the engine. I'm really disappointed of Hyundai quality. I really hope that I get new engine instead of poor repair job.

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Elantra MD (2010-15) :: Cruise Control Disengages With A Significant Bump

My cruise control disengages with a significant bump.

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Elantra MD (2010-15) :: 2013 Hyundai 1.8L Auto GLS - Knocking Noise When Starting Engine

Weird noise I am hearing with my mothers new Elantra she just picked up. When starting engine has a knocking noise, not kinding. Letting motor run for a few minutes it goes away but is concerning. I was wondering if there is an issue with the MPFI engine which i believe is new this year which replaced the GDI engine. Definitely does not sound normal to me. to me it sounds like a rode knock or hydro lifter issue. Are these engines known for this. My mother traded her 2012 civic for this with 4500 miles. She did not like the seats and dash board layout in it and we got a good deal on this car.

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Prius (2010-12) :: 2011 - Engine Knocking At Startup?

Initially thought that this was related to some water in the tank, since it started when the gas dropped to 1 bar (already put some stuff HEET when put the whole tank, did 60miles so far). ODB throws out multiple cylinder misfire (codes 300, 301, 302, 303 etc). It lasts up to 3 seconds. Sometimes the check engine pops up sometimes it doesn't. there was absolutely no problem under load. does it seem like a fairly common problem ? Intake manifold clogged ?

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Ford - F150 :: Knocking Noise Coming From Lower In The Engine

Recently, I was stopped in my 03 F-150 with 124,000 miles. All of the sudden one day, the engine started knocking. The knocking was coming from lower in the engine. After sitting for about two hours, I started it again. At first, no knocking, then intermittent knocking, then steady and after about 3 or 4 min, the knocking stops all together. Oil level has always been checked and it has never run low on oil. What on earth causes an intermittent knock?

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Golf V R32 :: Knocking Noise Coming From The Lower Rear Area Of Car

Just had my 40k service done, and also got an alignment done at the same time. On my way back from the dealer I noticed a knocking noise coming from the lower rear area of the car which is more noticeable when going over bumps. Its intermittent. Thinking something got messed up when they were doing the alignment? What this might be?

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Touareg :: Burning Oil / Significant Smoke Actually A Cloud At Startup

V8, approx. 12 K miles. Noticed lately that after the car sits overnight or maybe 2 days overnight, that when I start the car in the morning, there is significant smoke, actually a cloud. Value seals? How do I get VW to fix this problem? I am thinking about bringing a picture to the dealer when I start the car?

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Civic - Honda :: 1996 - Clicking Noise On Startup Until Warm

'96 civic 180k miles. Just had timing belt replaced but has been clicking when cold so mechanic checked & adjusted valves. Still clicks on startup until warm, less than 5 minutes, as it has for the last year or more. What could be the problem?

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Accent MC (2006-11) :: Engine Has Rattling / Knocking Noise When Cold At Startup

so with the weather turning cooler i have noticed a new noise. i am at 34,000 miles and run synthetic oil ever 4-5k miles.

I hear a rattling/knocking noise when you start engine, not right away, but like after 15 seconds and it lasts about 30 seconds then seems to go away and is quiet again.

Almost sounds like a lifter is tapping due to not getting oil.

I changed the accessory belts a while ago and it did not first make this noise right after but maybe a few days after which coincided going from 80 degree weather down to 40 degree weather.

Could it be an accessory belt being too tight? If so, why wouldn't it make it on startup? I can see it going away as rubber expands as the warms but I would expect it to make the noise from starting till then. Not 15 seconds into running.

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Santa Fe (CM - 2007-12) :: Knocking At Cold Startup / Noise With Vibration In Reverse Gear

I have santafe 3.5 2012 4WD , it's 51K on odometer, the problem when cold startup , Noise and small vibrate form front side , its look like from gears

When put to reverse (R) sound is louder and strong vibration from front side, all this problem gone when drive about 15 minutes.

I have visit 3 local shop they check the engine, gear box, everything normal, no check indicator appears.

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Elantra MD (2010-15) :: Any Way To Lower Back Seats From Inside Of Cab?

I was rear-ended this morning, and can't get into my trunk. Is there anyway to lower the seats from the inside of the cab to get my stuff out? It will probably be at least a week before it gets repaired, and I don't want to have to tie down my trunk.

I am impressed on how my vehicle handled the accident. It doesn't look bad, and I didn't feel much, but it tore up the whole rear end. At least $5k damage.

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Elantra MD (2010-15) :: Jet Engine Whine Just After Startup

Steps to reproduce:

1) Start Car (reproduceable with A/C on & off)
2) Wait for wind-up whine (starts out low, then speeds up, then stops) -

I attached MP3 and Wav files in .zip attached so you can hear the noise - recorded on my phone). posted on Youtube ....

Listen to first six seconds. My sound file has the noise for a slightly longer period.

My car started doing this about a week after purchase. It's been consistently doing this every morning. In high elevation, colder climate the sound is louder and longer. Car's been to service 4 times. Service Trip summary:

1) Returned as cannot reproduce
2) Replaced Starter (even though sound happens After start)
3) Replace belt tensioner
4) Service stop, tech said he would contact his rep - rep said no fix "it's normal- related to component in timing chain". (Huh?)

Service tech said he's heard a few of the 2012 Elantra's with this noise.

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Elantra MD (2010-15) :: Loud Ticking On Startup

I just bought a 2012 Hyundai Elantra GLS (Canadian model) with 44k km. When I first test drove the car, the dealer (Honda) had the car warmed up and ready to go. As a result, I didn't notice the loud engine or anything. All I noticed is the engine was louder on acceleration versus my 2008 accord. I already bought the car but today I asked to test drive the car again (I'm excited) and noticed a loud ticking on startup? I asked the Honda dealer what was wrong and they simply said Hyundais are louder than Hondas. My 2008 accord has a ticking engine already but Honda is rebuilding the engine. This car is ticking louder than my 2008 accord. However, the car does quiet down when the engine is warm.

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Elantra MD (2010-15) :: Engine Whine At AM Startup

So I had my first oil change this past weekend at the dealer. I just noticed that the engine whine during my AM start-up is gone. They must have done something else to my car besides the oil change.

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Elantra MD (2010-15) :: Knocking Sound At Back Of Car

I have a 2015 Elantra GL. These past couple weeks I have noticed the following:

1) After a long drive, there is a sort of "knocking" sound at the back of my car. It's not too loud but still noticeable. It seems to go back and forth from left to right to left to right, etc.

2) The sound ONLY appears at low speed (under 30km/hr or 20mph) AND when the ride gets a little bumpy (i.e. when I drive over the bump to get into my driveway). It doesn't take a big bump, just a little.

3) The sound ONLY appear after a long drive. When I start driving to work starting on my local roads at low speed over some bumps, there is no sound. But once I reach my work parking lot and I'm driving slowly and there's some minor bumps, I hear the sound. After work when I'm in the same parking lot going at the same low speed over the same bumps, there is no sound. Once I reach home and driving slowly over local road and over driveway bump, the sound appears.

The car is only at 5000km right now. I haven't gotten an oil change yet or any servicing on the car whatsoever. I will be bringing my car into the dealer for it's first oil change in a couple weeks and will ask them about the sound there. To summarize, the sound only appears once I've driven it for awhile (it never happens at start of drive) and if it's going low speed and if it gets slightly bumpy.

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Elantra MD (2010-15) :: Slow Warm Up Of Engine

In the winter, it takes a long time to warm the engine. It took me 10 minutes to reach 3 bars on the thermostat gauge. After 15 minutes, if finally reached 4 bars(5 bars is normal operating temp). When I stopped on idle in a drive-through, it went from 4 bars to 2 bars. I have driven several cars and I have never seen a car decrease in temperature when it is running, even on idle.

Do Elantra do this?

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Elantra MD (2010-15) :: 2012 - Oil Pressure Light At Startup

I have a 2012 Elantra with about 47,000 miles, and I've noticed that the oil pressure light comes on for about 2-3 seconds at startup. It never comes on while idling or driving, and the car runs like a champ. I checked the oil level, and it's good, and I get regular oil changes.

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