Description
As a parts counter professional, you play a vital role in identifying valid warranty claims for starters and alternators. Before submitting a claim, check for visible damage, misapplication, tampering, or signs of water, oil, or corrosion—these usually void warranty coverage. Many returned units fail due to external issues like blocked cooling fins, oil leaks, moisture, or improper installation rather than part defects. Common causes include over-tightening, wiring shorts, over-cranking, or misalignment during installation. More than half of all returned starters and alternators actually test good, meaning the real issue often lies elsewhere—such as a weak battery or corroded cables. By asking the right questions and inspecting parts carefully, you can help customers find the true cause of failure, reduce unnecessary returns, and ensure they leave with the correct replacement part and the right advice to prevent future problems.