Diesel Data: Automotive Repair

Inspection and Verification

Inspection and Verification
1. Verify the customer concern.





2. Visually inspect for obvious signs of mechanical damage.
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
4. If the concern is not visually evident, verify the symptom. GO to Symptom Chart. Diagnosis By Symptom