A recent vehicle brought into Marks Mechanics in Garbutt, Townsville highlighted just how quickly an unexpected wheel failure can become a frightening experience. The vehicle's front wheel came off while the owner was driving at night with their children on board, with several wheel studs snapping in the process.
The vehicle had been purchased second-hand, raising an important reminder for used-car buyers: you don't always know what modifications may have been made by previous owners. While the exact cause of the failure could not be attributed to any one component, the incident highlighted the importance of checking wheel fitment and mounting components.
The image above shows the inside of the wheel with the spacer still attached to the rim and shows the studs all snapped off. Marks Mechanics
Following the incident, the team at Marks Mechanics inspected the affected wheel mounting components and highlighted the potential risks associated with aftermarket wheel spacers.
One important point for motorists to understand is that wheel spacers cannot always be identified during a routine visual inspection. The wheels need to be removed to properly check whether spacers have been fitted between the wheel and hub. This is particularly worth considering when purchasing a second-hand vehicle, as previous modifications may not be immediately obvious.
Incorrect or unsuitable wheel spacers can reduce wheel nut and stud engagement, place additional loads on wheel bearings and suspension components, and alter steering and suspension geometry. They can also introduce clearance and fitment problems.
Importantly, aftermarket wheel spacers are generally not permitted on Queensland road vehicles unless fitted as original equipment by the vehicle manufacturer. Any proposed modifications must comply with applicable Queensland vehicle standards.
Left - spacer attached to front axle, Middle - The Spacer, Right - Spacer attached to rear axle Marks Mechanics
Although Marks Mechanics could not confirm that wheel spacers caused this particular wheel failure, the incident reinforced why wheel mounting components should never be overlooked. A failed wheel stud or incorrectly secured wheel can have serious consequences for vehicle control and occupant safety.
The team recommends using the correct wheels and tyres specified for your vehicle and avoiding modifications that are not permitted or appropriately engineered. If you've recently purchased a second-hand vehicle or are unsure whether aftermarket spacers have been fitted, consider having the wheels professionally removed and inspected.
As an independently owned Repco Authorised Service centre, Marks Mechanics has access to quality replacement parts, experienced technicians and a Nationwide Warranty on eligible repairs. This real-world workshop experience demonstrates the importance of professional vehicle inspections and sound mechanical advice from your local Townsville mechanic.
Don't take chances with your wheels. Contact Marks Mechanics in Townsville to arrange a wheel and tyre safety inspection.
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