whining noise

Check for failing belts and any faulty bearings in drive pulleys, bit hard to say with out hearing, you can remove drive belts and run to see if noise goes away, if so this will give you a starting point to start checking for faults.

Thank u!

Before removing the drive belts, you should try these following tips first. If you have access and if you have this available, use a long flathead screwdriver or pry bar and place it onto a stationary part of each pulley such as the bolt that goes through the middle on the idler pulleys. When you have it securely against a stationary part of a pulley, place your ear on the butt end of the screwdriver or pry bar. The noise will travel through the screwdriver or pry bar making it possible to hear the pulleys. Compare the noises to each other and typically the loudest noise you hear is where the noise is emanating from. Also, sometimes if the AC compressor is the culprit, most of the time, the AC compressor only makes the noise when its turned on and the noise will cycle on and off in tandem with the AC compressor clutch engaging and disengaging. If you aren't able to perform these tips or still cannot pinpoint the exact location of the noise, go ahead and try what MHPAUTOS explained. Best of luck!

Good add on thanks ed

Thank you both very much!

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