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16: Misalignment of the pulleys may be caused from improper mounting of the accessory 17: This test is to verify that the pulleys are the correct diameter or width. Using a known 19: Replacing the drive belt when it is not damaged or there is not excessive pilling will Drive Belt Chirping, Squeal and Whine Diagnosis Step Action Yes No DEFINITION: The following items are indications of chirping: A high pitched noise that is heard once per revolution of the drive belt or a pulley. Chirping may occur on cold damp start-ups and will subside once the vehicle reaches DEFINITION: The following items are indications of drive belt squeal: A loud screeching noise that is caused by a slipping drive belt. This is unusual for a The noise occurs when a heavy load is applied to the drive belt, such as an air DEFINITION: The following items are indications of drive belt whine: A high pitched continuous noise. The noise may be caused by an accessory drive component failed bearing. NOTE: Refer to Belt Dressing Notice . 1 Did you review the Drive Belt Symptom Go to Step 2 Go to Verify that there is a chirping, squeal or
2007 Hummer H3 2007 ENGINE Engine Mechanical - 3.7L - H3
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