Engine chirping

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10-07-2013, 02:51 PM

shoe114

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Engine chirping

I have this consistent chirping/ squeaking sound coming from my engine when my truck is in idle and when driving I am not sure what is it.

Anyone have any ideas?

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10-07-2013, 04:02 PM

AMS247

Diesel Fan

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Something around your belt, maybe the alternator pulley. Try spraying a lubricant on the pulley bearing and see if it temporarily goes away. If there is oil or coolant on the belt, it'll chirp when you shut it off.

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10-07-2013, 08:12 PM

tiremann9669

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Idler, tensioner, fan hub, pull the belt and try turning each by hand feeling for vibration, could be the alternator or ac compressor too, but most likley the idler or tensioner.