The alternator may fail causing the battery to go dead, or an abnormal noise may develop. The dash warning light may or may not illuminate. A failed alternator will require replacement.
Average mileage: 199,500 (199,000–200,000)
Engines affected: 5.7L V8, Gasoline
6 people reported this problem
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Replaced alternator due to over charging issue. Truck was running fine and in the next moment it sounded like the motor was knocking. Luckily I keep an eye on my gages so no major damage was done. However it was really inconvenient because I had to replace the alternator late at night. I can only figure the voltage regulator went out and caused the issue. After I replaced the alternator there haven't been any other issues like this.