Transmission Failure Common Due to Front Pump Failure on Mercury Grand Marquis
Problem overview
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.
139 people reported this problem
55 commentsMercury Grand Marquis vehicles with this problem
17 model years affected
Average mileage: 203,590 miles
(116 - 2,005,876)
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