Your Selected Vehicle
Parts for your 2012 Mazda 6-Wheel bearings
Penrite High Temperature Wheel Bearing Grease 450g Cartridge - HTGR00045
Fitment Notes:
Explore 4WD & Adventure
Understanding Wheel Bearings on the 2012 Mazda 6
Wheel bearings are a crucial component found on nearly all modern vehicles, and the 2012 Mazda 6 is no exception. These small but important parts play an essential role in ensuring that the wheels spin smoothly and safely, which directly affects the vehicle's handling, ride quality, and overall safety. If you own a 2012 Mazda 6 or are considering maintenance options, it helps to know what wheel bearings are, what they do, and why keeping them in good condition is important.
Firstly, what exactly are wheel bearings? They are sets of steel balls or rollers housed inside a ring called a race, designed to reduce friction between the axle and the wheel itself. In a car like the 2012 Mazda 6, these bearings are typically located within the hub assembly where the wheel mounts to the suspension. They allow the wheel to rotate freely with minimal resistance, supporting the car's weight and handling forces that come from cornering, braking, and driving over uneven surfaces.
Wheel bearings also help to maintain precise wheel alignment, contributing to a smoother and quieter drive. Without good condition wheel bearings, the wheel could wobble or feel loose, which might lead to uneven tyre wear, poor handling, and in extreme cases, bearing failure could cause the wheel to lock up or come off the vehicle. Clearly, these parts are vital for your safety and vehicle performance.
The 2012 Mazda 6 uses sealed wheel bearings that are typically pressed into the hub assembly. This means they are designed to be maintenance-free under normal driving conditions and are protected from dust, dirt, and water by seals that keep lubrication in and contaminants out. Even though they are sealed, this doesn't mean they will last forever. Over time, wheel bearings can wear out due to mileage, rough road conditions, or exposure to water and debris - especially in Australia where road types and conditions can vary quite a bit.
Recognising when a wheel bearing is starting to fail is one of the best ways to prevent more costly repairs down the track. Some common symptoms include a humming or growling noise coming from the wheel area, particularly noticeable when turning or accelerating. A feeling of play or looseness in the wheel when lifted off the ground and shaken can also be a giveaway. Sometimes vibrations felt through the steering wheel can be traced back to failing wheel bearings as well.
Because the wheel bearings in the 2012 Mazda 6 are sealed and integrated into the hub assembly, they cannot be serviced or repacked with grease like older-style wheel bearings. When these bearings show signs of wear or failure, the entire hub assembly is usually replaced. This design simplifies the replacement process as technicians can swap out the whole assembly rather than dealing with the bearings separately. It also means that proper tooling and alignment knowledge is essential for the job.
Regular vehicle servicing plays an important part in prolonging the life of wheel bearings. While the bearings themselves are sealed, mechanics will routinely inspect the hubs, suspension components, and wheel bearing condition during scheduled maintenance. Keeping tyres correctly inflated and balanced, avoiding driving through deep water or heavy mud, and steering clear of harsh impacts or rough potholes can also help prolong the bearings' lifespan.
In general, wheel bearings on the 2012 Mazda 6 can last upwards of 150,000 kilometres or more, but the actual lifespan can vary based on driving conditions and habits. If you're hearing strange noises, noticing handling issues, or if your mechanic flags the bearings during a service, it's a good idea to address the issue sooner rather than later. Delaying replacement can lead to further damage such as harm to the hub, axle, or suspension components.
When it comes time for replacement, it is highly recommended to use genuine or high-quality aftermarket parts designed specifically for the 2012 Mazda 6. This helps ensure proper fitment, durability, and continued safe operation. Replacing a wheel bearing hub assembly can be a straightforward job for a trained mechanic but could be challenging for a DIY enthusiast without the right tools and experience.
All up, while the 2012 Mazda 6 might come with sealed, maintenance-free wheel bearings, they are absolutely relevant and critical to the vehicle's safe operation. Paying attention to their condition during regular servicing and responding quickly to any signs of trouble will keep your Mazda 6 handling beautifully and safely for many years and kilometres. It's another good example of how a seemingly small part can have a big impact on your driving experience and peace of mind on the road.