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kidicarius 11-11-2013 08:54 PM

2009 Chevy Malibu LTZ squeaks
I just bought a 2009 Chevy Malibu LTZ last week from a dealer. It has under 65K on it. When I started it tonight, it seemed to make a squealing sound. After I revved it for a bit and cranked the heat, it seemed to go away...I didn't stay in the vehicle long enough to see if it completely went away.

What could this be and should I be worried about it?

Should I take it back to the dealer and get them to look at it? They put it through their "safety" process prior to me purchasing it.

ukrkoz 11-11-2013 09:00 PM

water pump.

joecaption 11-12-2013 04:56 AM

I'd be taking a look at the timing belt to see if it looks like new.
It was suppose to be changed at 60,000 miles.

danpik 11-12-2013 06:18 AM

If it is the 2.4L engine it has a timing chain, not a belt. Timing belts won't squeal anyway as they are cogged to stay in time. Posibly it is the accessory drive serpentine belt. right after startup the battery needs recharging so there is a heavy load on the alternator which could cause belt slippage on a worn belt. Serpentine belts usaully don't slip but it is not unheard of especialy if the tensioner is weak. Any unusuall noise from a car is something to be concerned about and should be checked out. If you are not able to diagnose this yourself then a qualified tech should look at it. Most likely, if it is a reputable dealer, they will take care of it for you

joecaption 11-12-2013 06:35 AM

That's the belt I meant, my bad.

ukrkoz 11-12-2013 08:31 AM

Well, let me circle back to this. I had a GM vehicle with exactly same noise - esp winter time - noise at cold start up slowly going away.
I had pulley replaced twice. But it still ended in water pump replacement. As it was water pump.

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