What to do about belt squealing when AC starts?
What to do about belt squealing when AC starts?
You cold likely adjust that belt to stop the noise. It is slipping ever so slightly, but if the belt has 100K on it then replacing it is wise as it is due. Losing the belt while commuting is far more expensive than simply replacing it.
Why does my AC make a squealing sound when I Turn on the AC?
Rotating the compressor pulley: Try rotating the compressor pulley. If it doesn’t rotate, then the issue is the compressor pulley. If it rotates and makes squealing or knocking sounds, the bearing could be the issue. Remove the pulley from the compressor: You can use a hammer to remove the compressor pulley or a two jaw puller.
What to do when AC pulley bearing fails?
Incidental repair of an antifreeze leak at the engine cooling system thermostat and heater hose was also done. Note that often when an AC clutch pulley bearing fails, the underlying compressor is also failing. So, many professionals recommend replacing the compressor, receiver dryer, and flushing the AC system when the pulley bearing fails.
Why is the AC pulley on my car not working?
Here are a couple of main reasons why the ac compressor pulley and bearing fails: Excessive heat: Excessive heat is the biggest enemy of all car ac components. As the AC compressor pulley rotates along with the bearing, excessive heat is created that will cause damage to the pulley and bearing seal.
What to do about squeaky AC idler pulley?
Remove tension from idler pulley and remove pulley. Remove snapring from pulley that retains bearing. Using a pick between the outer race and the plastic bearing seal, remove seal. Pack bearings with appropriate bearing grease. Push/snap bearing seal back in place.
You cold likely adjust that belt to stop the noise. It is slipping ever so slightly, but if the belt has 100K on it then replacing it is wise as it is due. Losing the belt while commuting is far more expensive than simply replacing it.
Rotating the compressor pulley: Try rotating the compressor pulley. If it doesn’t rotate, then the issue is the compressor pulley. If it rotates and makes squealing or knocking sounds, the bearing could be the issue. Remove the pulley from the compressor: You can use a hammer to remove the compressor pulley or a two jaw puller.
Incidental repair of an antifreeze leak at the engine cooling system thermostat and heater hose was also done. Note that often when an AC clutch pulley bearing fails, the underlying compressor is also failing. So, many professionals recommend replacing the compressor, receiver dryer, and flushing the AC system when the pulley bearing fails.
