Having problems with your Mitsubishi Galant ?
Well my mitsubish galant makes the loudest noise when you turn it on I think it has to do with the bands. When the car is cold it sounds like a helicopter when it gets warmed up it quiets down but the bands make the loudest squeeking noise
Replace the belts when they are worn and or dry rotted they become brittle and slip. sound is much worse when vehicle is closed. I would also try shutting the A/C off also sometimes the compressor will make a lot of racket if the clutches are shot.
Repair Help & Product Troubleshooting for Mitsubishi Galant
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