Whining/squealing problems
Top problems
Whining when the car is turned on
Chevrolet Equinox 2015 hatchback 60000 miles
The car has developed an audible whine when the car is turned on notice after the oil change when they switched to the new oil recommended for chevy
3 reports
1
IN
Start by checking the serpentine belt. If it is loose or making noise, it's likely the belt tensioner
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CommentAir conditioner
Chevrolet Equinox 2011 Equinox LTZ 151000 miles
While driving vehicle made very loud squealing sound (like a fan belt, turned air off and back on. Was only blowing warm air. Is not low of refrigerant, cannot see and blown fuses in engine or inside compartment.
2 reports
1st, Check to see if your compressor is engaging & disengaging. If not, hook up a set of AC gauges & monitor if the compressor is working. High & low sides should be about 200 psi different. If you don't have a drastic differences in pressure, your compressor is shot. Get a new one to install.
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