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#3460830 - 08/20/14 10:17 PM Weird sound on cold startup
Benoit Offline

Registered: 01/25/11
Posts: 46
Loc: Quebec, Canada
This is a 2013 Hyundai Elantra 1.8l non-GDI engine with Manual transmission. Car is doing a strange sound on cold start. I mean that it will make this sound only if the car is park for more then 12h or so.
In first clip, listen carefully between 0:04 and 0:06 and on second clip between 0:20 and 0:22.

It sound like a pump who start working right after the engine as been start.
Dealer told me that it's a normal engine sound related to the timing chain but I can't figure how a 11 000km Car can sound like this.
We bought the car on Feburary 5 2014 and we didn't noticed that sound before the car hit 8000km or so.

We run Pennzoil Platinum 5W-20 and Hyudai OEM oil Filter. Oil has been change at 7000km so I don't think it's an oil related problem.

Is anyone has a clue on this?

Youtube Link Video
2004 Toyota Corolla | Amsoil |
2013 Hyundai Elantra | Pennzoil |

#3460836 - 08/20/14 10:29 PM Re: Weird sound on cold startup [Re: Benoit]
crazyoildude Offline

Registered: 07/23/08
Posts: 7361
Loc: new jersey
sounds like a martian space ship..

could that be an electric fan? Hyundai don't have the quietest engines but their 4 cylinder engines seem to run forever. And their warranty is pretty good also
My Personal Choice Of Engine Oil Is Usually PYB And PHM For My Dino Choices, As For Synthetic I Like The QSUD

#3460849 - 08/20/14 10:45 PM Re: Weird sound on cold startup [Re: Benoit]
gregk24 Offline

Registered: 04/13/13
Posts: 4109
Loc: FL, USA
Thats a noisy engine, are you referring to the whirring noise? If so I am not sure what it is, but my Accord makes a similar noise from time to time, although it can happen when warm as well.
2012 Honda Accord EX-L 35K
PPPP 0w20 / Fram Ultra

2005 Chevy Uplander 131K
GTX HM 5w30 / Fram Ultra

1991 Buick Park Avenue 119K
Supertech 5w30 / Fram Ultra

#3460852 - 08/20/14 10:49 PM Re: Weird sound on cold startup [Re: Benoit]
abycat Offline

Registered: 12/06/10
Posts: 1718
Loc: grande prairie AB
sounds kinda bad. Or is that normal? sounds like horribly loose lifters.
1994 f-150 4x4
2011 nissan versa hb

#3460967 - 08/21/14 06:22 AM Re: Weird sound on cold startup [Re: Benoit]
rjundi Offline

Registered: 03/16/04
Posts: 7256
Loc: USA
Warranty? Our 2005 Legacy made a nutty sound like that initially that turned out to be clutch throw out bearing. It could be anything.

#3461016 - 08/21/14 07:41 AM Re: Weird sound on cold startup [Re: Benoit]
The_Eric Offline

Registered: 03/31/10
Posts: 4313
Loc: Iowa
Reminds me of a secondary air injection pump. How long does it make the noise?
2001 Hyundai Elantra 2.0
1998 Chevy Malibu 2.4
1995 Pontiac Grand Am 3.1
1979 Ford F-150 351M

#3461028 - 08/21/14 08:01 AM Re: Weird sound on cold startup [Re: Benoit]
Propflux01 Offline

Registered: 09/26/02
Posts: 3268
Loc: Arkansastan
The whirring noise is the variable intake manifold runners adjusting. It is normal. They all do it.
2014 Hyundai Elantra
2014 Hyundai Elantra GT

A 55 Gallon Drum And A Shovel Can Solve A lot of Life's Little "Problems"

#3461811 - 08/21/14 08:50 PM Re: Weird sound on cold startup [Re: Benoit]
aquariuscsm Online   content

Registered: 12/30/06
Posts: 12466
Loc: South Texas,USA
Sounds like it's not getting enough lubrication on startup,crazy piston slap or something (as if all the oil drained off the parts overnight and into the pan,not leaving enough oil film behind). Did you change oil brands/weights/dino/synth? Has it been that noisy since new?
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Syntec 10W40/Fram Ultra
Amsoil MTG(tranny)
Amsoil 80W90 GL5(rear diff)
Mobil 1 ATF
Redline Water Wetter

#3461854 - 08/21/14 09:22 PM Re: Weird sound on cold startup [Re: Benoit]
KrisZ Offline

Registered: 12/23/06
Posts: 5109
Loc: Toronto, Canada
Aside from that whirling sound, that I have no idea what it is, the engine sounds like a bucket of bolts and that's during summer months. I can only imagine the racket it must make on -20C mornings crush
2003 Ford Focus ZX5-104,000 miles - sold
2006 Mazda 3-132,000 miles