Odd noise when car first starts

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Nov 3, 2011 | 09:40 PM
  #1  
So i posted a video in this tread about the noise when I start up my car, it only happens when the vehicle first starts up never happened before, it only happens for about 5 seconds then goes away and it only happens when its cold
http://www.youtube.com/watch?v=AyhBT...=youtube_gdata
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Nov 3, 2011 | 09:48 PM
  #2  
Re: Odd noise when car first starts
hard to hear fuel pump?
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Nov 3, 2011 | 09:49 PM
  #3  
Re: Odd noise when car first starts
its not the fuel pump im sure of it, its the whine noise when the car is running thats bothering me but it only happens for 5 seconds then goes away and only comes back when i cold start the car again...
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Nov 3, 2011 | 10:45 PM
  #4  
Re: Odd noise when car first starts
Guesses ..

It's some sort of bearing that is giving out due to age. Once it gets moving and warms up, it's ok, for now

Things it could be, let your ears guide you toward the direction

Tensioner pully
Water pump
ac compressor
radiator fan motor
blower motor
power steering pump
Air pump


When it gets worse it will be easier to find. That's the good news
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Nov 4, 2011 | 06:42 AM
  #5  
Re: Odd noise when car first starts
Remove the belt & start it when its cold. Does it do it?
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Nov 4, 2011 | 02:34 PM
  #6  
Re: Odd noise when car first starts
Quote: Remove the belt & start it when its cold. Does it do it?
The Camaro will still run fine with it off?
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Nov 4, 2011 | 02:39 PM
  #7  
Re: Odd noise when car first starts
You won't have a water pump, so don't run it for very long
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Nov 4, 2011 | 02:44 PM
  #8  
Re: Odd noise when car first starts
Ill run it for about 10 seconds
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Nov 4, 2011 | 02:47 PM
  #9  
Re: Odd noise when car first starts
That will tell you what you need to know.

When you have the belt off, spin each of the bearing by hand to see if they make noise
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Nov 4, 2011 | 02:49 PM
  #10  
Re: Odd noise when car first starts
Okay, thanks for you help ill probably respond around 3 or 4 im on my lunch break atm
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Nov 4, 2011 | 07:46 PM
  #11  
Re: Odd noise when car first starts
Well ran it without the belt, still make the same noise i put the belt back on the noise lasted for a minute then it went away
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Nov 4, 2011 | 07:50 PM
  #12  
Re: Odd noise when car first starts
Good elimination work. Next step is to see if it's the radiator fan. Turn off your AC, confirm it's not running, and see if the noise is still there.
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Nov 4, 2011 | 08:42 PM
  #13  
Re: Odd noise when car first starts
I know it isn't the Radiator fan, fan is only on when car reaches 105 degrees, and my car isn't equipped with A/C
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Nov 4, 2011 | 08:44 PM
  #14  
Re: Odd noise when car first starts
blower motor on? I'm starting to run out of ideas....
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Nov 4, 2011 | 10:24 PM
  #15  
Re: Odd noise when car first starts
blower motor is off too :/
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Nov 4, 2011 | 10:56 PM
  #16  
Re: Odd noise when car first starts
Im out of ideas, unless the crank or cam is worn and you are getting a grinding until oil hits it.
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Nov 4, 2011 | 11:50 PM
  #17  
Re: Odd noise when car first starts
Get under the hood and have someone start the car while you're in a position to localize the sound. Pay attention to the front of the engine, and the starter area. Sometimes it's easier to hear where a noise is coming from, while laying next to the car on the ground.
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Nov 5, 2011 | 07:19 AM
  #18  
Re: Odd noise when car first starts
well when i had the car running i heard it coming from the back of the engine block, drivers side
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