Alternator may get too hot and cause premature bearing failure on Mercury Grand Marquis

The alternator may get too hot, causing premature bearing failure.

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Average mileage: 129,000 (129,000–129,000)
2 model years affected: 1998, 2002
2 people reported this problem
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problem details
2002 Mercury Grand Marquis 129,000 mi,
battery dies after driving about an hour