Shop Mercury Grand Marquis Wheel Hub Seal, Mercury Grand Marquis Rear Axle Bearing And Seal Kit. Find Mercury Grand Marquis Bearing Seals Near Me. Maintaining the rear wheel bearing seals of your Mercury Grand Marquis is crucial for a smooth ride, ensuring that dirt and debris stay out while keeping lubricant in. Regular inspection is key; look for signs of wear such as grease leaks or a humming noise from the wheels, indicating a need for replacement. To extend their lifespan, avoid high-pressure car washes at the wheel base and ensure proper installation. When selecting new seals, opt for high-quality materials like reinforced rubber or Teflon for durability. For a perfect fit, consider OEM-spec seals or aftermarket options with excellent customer reviews. Simple installation guides available online make DIY replacement a breeze, saving you time and money on your Grand Marquis maintenance.