For 1990-2009 cars

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to Drive Belt System Description .

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could affect the operation of the drive belts.

• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

• | Inspect the drive belt for excessive wear, shredding, or missing sections.

• | Inspect the drive belt for contamination of excessive dirt, oil, coolant or other substances that may affect the drive belt operation.

### Intermittent

• | Drive belt symptoms may be from intermittent failure of an accessory drive component.

• | Drive belt symptoms may occur from changes in load of the accessory drive components.

• | Ambient temperatures, moisture, or engine operating temperature can affect the drive belt operation.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Drive Belt Chirping Diagnosis

• | Drive Belt Squeal Diagnosis

• | Drive Belt Whine Diagnosis

• | Drive Belt Rumbling Diagnosis

• | Drive Belt Vibration Diagnosis

• | Drive Belt Falls Off Diagnosis

• | Drive Belt Excessive Wear Diagnosis