Misalignment of the accessory pulleys or a faulty drive belt tensioner may cause a chirping or squeaking sound while the engine is running. In If the replacing the belt tensioner does not correct the noise, the alternator pulley may require replacement.
Average mileage: 123,822 (85,000–187,000)
Engines affected: 3.0L V6, 3.3L V6, 3.8L V6, V6
8 people reported this problem