Question about 2006 Chevrolet Cobalt
A loud buzzing noise comes on when ac is on low and vehicle is on in park when u shut ac off it is like a fan keeps spinning loud
Anytime the a/c is turned on the cooling fan will come on so that the engine does'nt over heat.It will not turn off until the ebgine has colled down.
Posted on Nov 03, 2012
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Posted on Jan 02, 2017
If you have the time, take the vehicle to an autoshop of your choice, and ask them to grease all fittings on the front end. My car did the exact same thing, it was the ball joints. You may need a new ball joint, but being a 2009, I highly doubt it unless its been in an accident or something. There are grease fittings on the front, I believe there should be at least 5, maybe more, but the sound you are experiencing is the equivalant to a pogo stick if I'm correct. Hope that helps.
Posted on Mar 13, 2009
Is it noisy with only the blower fan on or does the A/C have to be on to get the noise.
Try using the heater only and see if the noise is present.
Let me know.
Posted on Jun 19, 2009
this may be a compresor issue,when the car is normal(a/c off) the compressor is not draging the engine,how ever when on if the compressor is goin bad(seizing) will turn your engine off and the belt will drag. have you compressor checked and also see if the system is over charged.
Posted on Sep 10, 2009
most fans are clutch fans and they work or are engaged by temp.most all will spin under really cold conditions.this is normal.but to be sure, with the motor off and key in your pocket grab the fan and see if it wiggles or has any slop. if not alls good
Posted on Dec 20, 2009
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