Kia Optima Problem Report
Kia Optima Noise or Vibration When AC Compressor is On
A defective AC compressor clutch assembly can cause excessive noise or vibration when the air conditioning is on. Improved parts are available. Replacing the faulty clutch assembly does not necessitate replacement of the complete AC compressor or evacuation and recharging of the air conditioning system.
When the A/C is on and I am shifting gears, as I let out of the clutch and accelerate, an awful high pitched squeaking noise comes from the A/C belt of the car. I am under the impression that it has to do with the compressor but am not yet certain. I've been advised that it could be other smaller problems. However, the compressor is the only one that fits all of my cars "symptoms."
Having the A/C on also causes my engine to run harder and with much less power, as well as die if decelerating from a high speed by only pushing in the clutch and sometimes when slowly shifting gears. - Visitor
Not fixed yet, looking for new ac compressor. - Visitor
my clutch assembly won't engage. very loud squeeling noise. - Visitor
I was using the heater thought it was the blower motor and it eneded up being the a/c compressor clutch - chevytom55
Ihave had 2 air conditioner put in my optima I am trying to fine one more. - Visitor
Noise coming from A/C Compressor when A/C is on or when the Defrost is on, Defrost uses A/C compressor. - Visitor
CLUTCH BEARING NOISE - Visitor
ac compressor clutch went out......NO AIR!!!!! also have electrical issues and 4wheel drive indicator keeps coming on when NOT IN 4 WHEEL DRIVE - Visitor
They replaced clutch hub in 2009 and its doing it again , but they dont hear it when i take it in , and say that it is just wear and tear .. But it makes same noise that it did before they replaced it .. its dumb blonde syndrome they have with me i guess .. They think i am being picky i'm sure . - Visitor
Squeaky noise at the air conditioner clutch, not covered under extended warranty - repairguyzz
Has started making a grinding noise so far only when the AC is on. It does not do it all the time yet but is getting more frequent. Will take to the dealer next week. - zaustin2
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