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Is it OK to drive with worn motor mounts?

No, it is generally not recommended to drive with worn motor mounts. Motor mounts are an essential component of a vehicle's suspension system, and their deterioration can lead to various issues that can compromise the safety and performance of the vehicle.


What are Motor Mounts?


Motor mounts are the rubber or metal components that connect the engine to the vehicle's frame or chassis. Their primary function is to absorb the vibrations and movements of the engine, preventing them from being transmitted to the rest of the vehicle. This helps to ensure a smooth and comfortable ride, as well as protecting other components from excessive wear and tear.


Why are Worn Motor Mounts a Problem?


When motor mounts become worn or damaged, they can no longer effectively absorb the engine's vibrations and movements. This can result in the following issues:



  • Increased Vibrations: Without the proper cushioning, the engine's vibrations will be felt more strongly throughout the vehicle, leading to a rougher and less comfortable ride.

  • Misalignment: Worn motor mounts can allow the engine to shift out of its proper position, causing misalignment with other components, such as the driveline and steering system.

  • Accelerated Wear: The increased movement and vibrations can cause accelerated wear on other suspension components, such as ball joints, tie rods, and wheel bearings.

  • Decreased Fuel Efficiency: The additional strain on the engine and drivetrain components can lead to decreased fuel efficiency, costing you more at the pump.

  • Safety Concerns: Severe engine movement or misalignment can affect the vehicle's handling and stability, potentially leading to dangerous situations on the road.


Given these potential issues, it is generally not recommended to continue driving with worn motor mounts. It is important to have them inspected and replaced as soon as possible to ensure the safety and proper functioning of your vehicle.


When Should Motor Mounts be Replaced?


Motor mounts should be inspected and replaced as part of your vehicle's regular maintenance schedule, typically every 60,000 to 100,000 miles or as recommended by the manufacturer. Signs that your motor mounts may need to be replaced include:



  • Excessive engine vibration or movement

  • Clunking or banging noises when accelerating or decelerating

  • Visible cracks, tears, or deterioration in the rubber or metal components

  • Misalignment of the engine or other drivetrain components


If you notice any of these signs, it is best to have your vehicle inspected by a qualified mechanic as soon as possible to avoid further damage or safety issues.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.