Weird sound when I start it up?

[Slick]

Almost every morning when I go start my car and drive the engine is making some very weird noise. Sounds kind of creaky like or somethin, like a creaky whistle? I dont know how to explain it, it goes away after a few minutes, but I was wondering what it was?

 

[Crankcase]

Have you checked your oil level? Water level?

 

[Alec]

Maybe the belt? Is it rhythmic with engine speed?

 

[Slick]

Not really i dont think, IM gonna get my oil changed any day now so maybe they'll find somethin

 

[bronx explorer]

have you ceecked your fan cluch my ex makes some noise and goes away afther a few

 

[Slick]

that could be it, i'll check it out tomrorow.

 

[FRedDE]

My XP makes the same noise when the engine is cold, mostly when the engine runs below 1000 rpm. If someone finds out what it is I'd really appreciate if s/he could post it here...