Question about 1999 Oldsmobile Cutlass

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Just changed fan belt and now it makes a sound when the defrost is on its like a whinnig sound and it has smell to it i also notice some smoke coming off the pullie where the alternator is located what do i do

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The whining noise is probally coming from the a/c pump. the ac is engaged when you turn on your defrost setting on your heater controls. make sure the belt is on correct. make sure it seats on all the pullys. also double check the belt routing diagram located under the hood.it could be that the alternator bearing is getting reddy to seize up.

Posted on Feb 05, 2010

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Unplug the ac compressor,it comes on when the defrost is turned on,you have a ac compressor clutch going bad,or the ac compressor itself is bad.

Posted on Feb 05, 2010

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1 Answer

Smell smoke only when defrost is on


This could be a serious problem if the smoke smells like plastic or has a metallic hint ( I.E. You have a metallic taste in your mouth after smelling the smoke).
Remember the old adage " Where there's smoke, there's fire".
If you don't know how to disassemble the dash to find the problem, take it to a shop A.S.A.P. - You could burn up your vehicle by using either the heater or defroster, as they are parts of the same system.
Now for the rear defrost light;
If the light is out but the defroster works, you possibly have a burnt bulb. You'll need to remove the panel the switch is mounted in to gain access to the switch. You'll probably have to replace the switch to repair that bulb.If neither work, then you likely have several electrical issues that need to be repaired.
Sorry to bring bad - ish news!!

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