For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
DEFINITION: The following items are indications of squeal:

• | A loud screeching noise that is caused by a slipping drive belt (this is unusual for a drive belt with multiple ribs)

• | The noise occurs when a heavy load is applied to the drive belt, such as an air conditioning compressor engagement snapping the throttle, or slipping on a seized pulley.

1 | Check for a misaligned pulley. Is there a pulley misaligned? | Go to Step 3 | Go to Step 2
2 | Check for correct drive belt length. Refer to Drive Belt Replacement . Is the drive belt the correct length? | Go to Step 4 | Go to Step 5
3 | Repair or install new parts as necessary. Is the repair complete? | System OK | --
4 | Inspect the drive belt tensioner for proper operation. Refer to Drive Belt Tensioner Diagnosis . Is the drive belt tensioner operating correctly? | Go to Step 3 | Go to Step 5
5 | Inspect for correct pulley size. Are the pulleys the correct size? | Go to Step 6 | Go to Step 3
6 | Check for seized bearings. Is there a seized bearing? | Go to Step 3 | System OK