Initial Inspection and Diagnostic Overview

1. Verify the customer's original concern by operating the engine to duplicate the condition.
2. Inspect to determine if any of the following mechanical concerns apply:

Mechanical
- Drive belt noise or squeal.
- Pulley misalignment or excessive pulley runout.

3. Inspect for drive belt cracking/chunking/wear.
4. If inspection reveals obvious concern(s) that can be readily identified, service as required.
5. If the concern(s) remain after the inspections, determine the symptoms and go to the Symptom Chart. Symptom Related Diagnostic Procedures