Engine Chirping Noise Diagnosis Tip

This is still a commonly misdiagnose as a belt chirp especially on the 3.8l mustang but can sound like a general engine bay noise in the Explorer 4.0L OHV and Taurus 3.0L OHV especially. So before replacing belts and pulleys take a look to make sure this is not the actual source of all that noise people confuse the two all the time.

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