Mercury Grand Marquis
Report: Wear on rear axle shafts may cause excessive play and gear oil leaks
Mercury Grand Marquis Problem
Average Mileage: 132,000 mi (105,000 mi - 159,000 mi)
Wear on the rear axle shafts near the bearings can create excessive play and lead to gear oil leaking past the seals. Gear oil will leak onto the brake backing plate, brakes, and wheels.