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Re: Squealing Noise at Startup
CRTN is Really Close on this! When the Rubber that belts are Made of Get really cold they will Squeal No matter how tight they are. You should still get your Belt Tensioner Checked out . Could be Just a Little Bit Loose.
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Joe, do you mean a bearing track?
If so, a bearing -or track - usually makes a grinding or knocking noise, not a squealing noise.
If a car stands for a long time the brake rotors can corrode a bit and the pads can stick. Sometimes, when the car is first used after standing, you may hear a rubbing or squealing noise from the wheel. That's the pads sticking to a rusty rotor. The noise may wear off after a few miles when the pads 'polish' the corrosion off the rotor.
The other thing that causes squealing from a wheel are the brake shims. Try cleaning things first.
Squealing is most common with loose or worn belts, I would start by replacing the drive belt on the front of the motor and go from there, Its easier to troubleshoot a squealing motor if you know that the belt or belts are good.
The ac is belt driven, If one of the belts are loose it will make a squealing noise. Turning on the air puts more strain on the belts. If this is the case all you would have to do is tighten the belt or belts. This would probably take a service tech just a few minutes. Probably under $100.00 dollars..........
Seems like a drive belt problem, to confirm pour some water on belts the noise should go away or may get louder for a second. If either happens the belt or belts needs to be adjusted or replaced. Good Luck, If I fixed ya, leave me a FIX-YA comment thanks