engine noise

hey everyone, i have a 2007 toyota corolla ce and when it cold starts it makes a pulsating noise that sounds like a grinding or "shushing"
noise. its not getting any worse and as this is the first winter i've had it i dont have another cold season to compare it to.. any suggestions or ideas?
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On 25/11/2011 6:35 PM, scott snipped-for-privacy@hotmail.com wrote:

Manual or automatic?
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On 26/11/2011 11:05 AM, GM homepc wrote:

Is the sound like this by any chance?

http://www.youtube.com/watch?v=iUNvAHMCHj0

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