squealing noise when the AC is on
09-08-09, 07:55 PM
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squealing noise when the AC is on
Theres a squealing noise with the AC on when I rev the car at idle. The noise gets really bad when I try to make a turn too. It noise goes away when the AC is off. What exactly could it be? Crank pulley, AC clutch ?? TIA
Last edited by sc300jas; 09-08-09 at 08:10 PM.
09-09-09, 07:13 AM
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Most squealing noise is NORMALLY the belt, try some belt dressing, and see what happens. I had the same problem, it only squealed when the ac was on. It didnt make any sense, but the dressing make it go away.
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09-10-09, 12:39 PM
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i took it to a mechanic and he said it was the ac pump, but i dun know if i should trust him.
I tired using some belt dressing but it didnt work. The noise is pretty bad at a certain low rpm, like when I make a you turn at low speed, the noise is really loud.
so it could be the clutch or crank pulley?
I tired using some belt dressing but it didnt work. The noise is pretty bad at a certain low rpm, like when I make a you turn at low speed, the noise is really loud.
so it could be the clutch or crank pulley?
09-10-09, 01:31 PM
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Well, ill put it to you like this. When I had my MKIV TT Supra, it made a really bad squealing noise, I took it to my local toyota dealer, who said, it was my ac pump. I got home, took the belt off and the crank pulley came apart in my hands...... replaced it and it never squealed again.
09-10-09, 08:56 PM
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damit! i have the exact same problem and i just replaced my t-belt and crank pulley, the oem used crank pulley that i bought looked to be in good shape when i put it on, but i guess not? i will check tomorrow
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