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) :: 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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Santa Fe (CM - 2007-12) :: Whine At Cold And Pitch Being Raised As Engine Revs

My 2.2 crtd is the first ever diesel car i have bought, but i have noticed a whine especially when cold, pitch bieng raised as engine revs. Is this a characteristic of this car or am i in for a bill further down the line.

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Ford 7.3L Power Stroke (1999-2003) :: Elevated Engine Idle When Cold / Initial Startup?

What causes elevated engine idle when cold or initial startup? Asking another way, what would cause it not to have the elevated idle on start up?

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Ford F-150 - 1997-2003 :: Engine Ticking Noise / Slight Clatter For 2 - 3 Seconds Upon Cold Startup

I've got a 2003 f150 with the 5.4 and 128,000 miles with an engine tick. Its not an exhaust leak I know that for sure. It has came up in the last 20,000 miles. I've used motorcraft 5 20 w/ motorcraft filter. I've tried a kreen engine treatment with no change. Heres the description/syptoms:

-Slight clatter for 2-3 seconds upon cold startup (happens very rarely)
-top end ticking that is loudest and most noticable when warm (quieter when motors cold)
-not timing chains/tensioners etc because the noise is coming from the top end and most noticeable on the passenger side.
-at idle the tick is present-when you rev at idle, the noise goes away.
-Driving (or having the engine under any load for that matter) the noise gets louder.
-Anytime I accelerate, tow/haul, go up an incline the noise gets worse
-Sounds like a "whirring" sound from within the dash.

With all that said I am thinking the lash adjusters are getting noisy. I had a certified gm tech that has 40 yrs mechanic experience under his belt and builds prostreet muscle cars on the side look at it. He listened to it to it and that was his diagnosis as well as its not that bad so just live with it. The noise at idle doesn't bother me, its when im driving with the windows down. The noise drives me crazy and is a little annoying to me.

Heres a link to a video of the sound and keep in mind it is much louder now : Triton engine noise/tick - YouTube

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Ford F-150 (2009-2014) :: HVAC Blower Noise In Cold Temps

Was 7 degrees F out this morning. Went to turn on the defrost and heard this: (may need to turn up audio a bit)

2013 F150 HVAC blower noise in cold temps - YouTube

There was some snow/ice buildup under the "grate" that sits above that I imagine is the air intake for the blower. Hoping that it was just Ice buildup that will thaw out.

I ended up having to turn it on because the condensation on the windshield was becoming a safety issue when I drove into work. Motor made quite a high pitched wine. Better that than slid into a car.

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Ford - F150 :: 1989 - Chokes On Startup / Shudders While Driving

I'm a new owner of an '89 F150. It's a four speed manual trans, 4.9L 6cyl. This is my first truck and I bought a beater in hopes of learning while I fix it up. I have minimal experience (biggest repairs have been replacing disk brakes on a previous car and replacing the EGR valve on this truck), but I want to learn more.

The truck has a bypass switch and the forward fuel tank was removed. Both of these modifications occurred before I owed it. Also, the clutch is a bit grumpy. Sometimes I'm unable to get it into first (I usually "granny start" from second), and every once in a while it doesn't want to go into reverse.

When I bought the truck, it would just choke and cut off after driving for 30 minutes or so. It would restart after cooling down. My mechanic said it was a problem with the fuel pump and replaced it, and that fixed that problem.

After that, the truck began to have trouble starting. I would flip the bypass switch and the engine would rev up, then drop RPM's quickly until choking off within a couple seconds. When I flipped the switch again, it would start up fine. It would run fine after that.

A mechanic recommended having the fuel injectors cleaned. The fixed the problem for about a week, then it started again. A friend of a friend who has a home garage suggested a vacuum leak, and we found a leak in the EGR value, which we replaced.

Replacing the EGR valve fixed the problem again, for a couple days, but it came back. Meanwhile, immediately after the EGR valve was replaced, a new problem started. Periodically while I'm driving (I haven't been able to detect any pattern), the engine will just shudder or choke a bit. It feels like it's threatening to choke, but it never actually does. Once it starts, it typically does this every couple seconds until I shift gears.

I'd really like diagnosing what might be causing the choking when it starts and the new shudder when driving. I realize it could be a number of things.

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Camry :: Engine Has A Slight Knock After Cold Startup

My 2011 Camry LE I4 with 21k miles has a slight knock after cold startup, at Idle for a few minutes that disappears after warming up. If you start and drive and don't let it warm up the knock, under load, is more pronounced.

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Prius (2004-09) :: Engine Clatter On Cold Startup

I have a 2006/2007 prius that on cold start up works its self up to a rattle/ vibration in p mode on charge.

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Santa Fe (CM - 2007-12) :: Squeal From Engine On Cold Startup

Twice this week our 2009 SantaFe (3.3l) had a squeal from the engine upon cold startup. The first time it was very cold (-20C or so) and this was louder and longer than the second time (-10C or so). The squeal lasted only a few seconds and trailed off to nothing. Each time the heater controls were set on defrost (fyi). In order of likely suspects, I suspect one of the following:

-compressor engaging and causing sudden increase in resistance on the belt or compressor engagement clutch noisy
-idler pulley for some reason causing belt to slip at first, but don't suspect idler bearing as noise disappears right away
-belt slippage due to resistance somewhere else--e.g. water pump or alternator.

This may not happen when I take the vehicle in for its next scheduled maintenance as by then the weather will likely be warmer. This has 76000 km on the clock.

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Sonata NF (2006-10) :: 2.4l Engine Tick At Cold Startup

I have a 2008 Hyundai Sonata 2.4l with ~235,000kms (~147,000 miles). It has been well maintained and has been a great car. It has been developing an engine tick noise at cold startup and it seems to be very gradually getting worse over time. This noise is most evident immediately after strarup and gradually dimishes over a period of about a minute and varies in terms of how noisy it is and how long it lasts. This nopise is never heard when the engine is warm. From what I have read online, this can be caused mainly by two things:

- use of an aftermarket oil filter
- timing chain tension insufficient

Late last week I changed the oil filter out from the Purolator Classic filter that I have been using for years to a genuine Hyundai oil filter. This did not make any noticeable change in the tick noise so I do not believe that this was a contributing factor.

Over the weekend I removed the valve cover and checked the timing chain tension. It was taught as it should be. I could push it down a bit between the camshafts but it would spring right back up. I also used a videoscope to look down inside the cam tunnel and found no evidence of the timing chain contacting any metal or the oil drip line for the lower timing chain sprocket. Everything appeared to be in order.

When I started the engine to confirm no leaks around the valve cover, I used a mechanic's stethoscope to check for the noise. I was unable to isolate it as the engine tick did not occur at that time. The cause of the tick noise continues to elude me, but I have ruled out the two common causes (oil filter and timing chain tension).

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Lexus LS 2007+ :: Engine Knock At Cold Startup

I recently bought a 2011 460 L, CPO with 28,350 miles. I love the looks and how it drives, smooth! But I do have a concern. Before I go to the dealer I thought I would educate myself from the experienced LS owners. I am hearing a very brief (1-2 seconds) mild engine knock at a cold startup.

This only occurs when the engine is cold and has sat overnight. It never happens after this first startup, even after turning the engine off and then on again. It kinda sounds like the oil isn't getting where it should be for a few seconds. Engine sounds great with normal and hard acceleration throughout the day. The dealership where I bought it is 300 miles away, so I would be taking it to a local dealership.

Now I did hear this noise and mentioned it to the service manager when I first bought the car, and the service manager told me that this cold startup sound is normal. He also mentioned the direct injectors at idle. I guess sometimes it's hard to fully trust what dealerships say. Is he right?

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Lexus RX 2010-15 :: Engine Knock At Cold Startup - RX450H

It almost sounds like somebody is taking a small hammer and banging at the plastic cover on top the engine when the vehicle is started new from cold. After about 8 or 9 knocks it goes away.

Taking it to a dealer soon to get it checked.

2010 Model year. 81k miles.

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Camry :: 2007 SE - Noise At Startup On Cold Engine When Temperature Is Below Freezing

I have an 07 SE (manual transmission). In cold climates has noticed a noise at startup on a cold engine when the temperature is below freezing (colder than -5C or so)?

The engine has to be cold (like sat overnight) and the outside temp has to be cold. Then at start when I turn the key, the engine starts fine, but as I release the key from the start to the run position I hear what sounds like the starter motor make a noise (short zipping sound).

At first I wondered if it might be slow to disengage, but if that shouldn't make a noise because the gears should be meshed ok? There is no noise with a warm engine, or with a cold engine on a mild day.

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Camry 2012+ :: 2AR FE Engine Knock / Rattle Noise At Cold Startup

There was a TSB for 2AR engine, Engine Knock/Rattle Noise at Cold Startup. My question is for those I4 camry owner, do you have these rattle sound when you start your vehicle at cold? I am not sure if mines have the same issue, but pretty sure is I can't find any differences between mine and this clip:

You Tube

So should I take it to the dealer? Or it's normal?

[URL] .....

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Camry 2012+ :: Grinding Noise On Startup When Engine Completely Cold

I start noticing a weird noise upon cold start up. It sounds like something is grinding. First goes starter sound and then engine noise together with this grinding noise. Grinding noise goes away within sec. or so. It is not really loud, but it definitely not engine or starter sound.

It happens only on cold starts when engine is completely cold. If I start engine, let it run for few minutes, shut it down and restart again, it starts without grinding noise. Don't remember if car was doing it from beginning, never turned car while I was outside. Few weeks ago when temperature dropped below freezing point, I turned ignition through passenger door to warm up the engine.

After that I begun listening every start up. Every start up same noise. Every morning and every time after work I hear this noise. No noise if car been driven recently or engine is still warm.

Not my car, but sound is identical : [URL] ......

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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 (DM - 2013+) :: Check Engine Light On Constantly During Cold Startup

This morning during cold start up I noticed my check engine light was on constantly, I was able to get a OBDII scanner from a friend and perform a scan after work and brings up P0116, google search says HYUNDAI - Engine Coolant Temperature Circuit Range/Performance.

I did notice the radiator fan seemed to be running all the time. I had a look at the coolant level and it's near the full level line (green color if that matters). My questions is it safe to still drive it to the dealer (30 km away)? Would this be part of the powertrain warranty?

Since my wife is out of town i took her car as I did not want to cause any damage.

2013 Hyundai Santa Fe Sport - 2.4 AWD - mileage is at 67,000 km.

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Elantra XD (2001-06) :: Loud Whine From Belt On Startup

I replaced my GF's water pump, timing belt, tensioner and roller on her 05 Elantra. WHen I started the car up I can hear a loud whine from the belt.

Everwhere I searched I read that it's too tight.

But in this video: [URL] ....

At around 9:11, when the guy starts the car it's the same exact whine? Is this normal or something with a brand new belt? Or did he tighten it too much? Or is it because her timing belt covers are missing the rubber grommets, and there is a HOLE in the side of one of them. So am i getting the full brunt force of the timing belt?

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