Rick's Free Auto Repair Advice

Posts Tagged: alternator failure

Alternator failure — most common causes

What causes alternator failure? Top 3 causes of alternator failure You can prevent premature altnerator failure by knowing the 3 most common causes of alternator failure. #1 Cause of alternator failure — High heat from excessive use Alternators are designed to operate under high underhood heat conditions. But they’re not designed to generate extremely high loads for prolonged periods of time. Charging a severely discharged battery can overheat the rotor and stator windings, causing the insulation to degrade and short. The high generating load also overheats the diodes, causing them … Read More


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