Car Problem Reports

Mercury Grand Marquis Transmission Failure Common Due to Front Pump Failure

Mercury Grand Marquis Problem
17 Reports
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Model Years Affected: 1996, 2005, 2006, 2007

Average Mileage: 104,786 mi (40,000 mi - 289,000 mi)


Transmission problems are common in this model, often as a result of a failed front pump. The pump loses its ability to create hydraulic pressure, which an automatic transmission needs to function. A sign of front pump failure can be a whine type noise.

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