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Torque sense when changing wheels

March 26, 2018

Impact Wrenches Torque Wrenches

The importance of wheel tightening is often overlooked, but an incorrectly fitted wheel can have serious consequences on the safety of a vehicle and its passengers.

For vehicle service professionals, wheel changing needs to be achieved quickly and simply to maximize profitability: but there is also a major safety element that needs to be part of the equation – the correct application of torque. Over-tightened and under-tightened lug nuts can result in a potentially catastrophic failure of the wheel. Wheel nuts that are over-tightened risk being damaged, stretched and broken, especially when hitting potholes and bumps in the road. Wheel nuts that are under-tightened can back out or sheer off, causing premature wear and separation of the wheel from the hub. Irregular nut tightening on the same wheel is also a problem: it can lead to broken nuts, movement, vibrations and even wheel detachment.

“ Mechanics and garage technicians that change tires are ultimately responsible for ensuring that wheels are tightened correctly. Failure to do so can result in customer complaints, loss of repeat business and even litigation. The good news is that correct tightening is easily achievable without compromising efficiency and productivity. ”

Yann Pasco , Global Business Development Manager, Vehicle Service

How do we achieve good tightening?

Wheels are correctly fitted when nuts are tightened to the torque specified by the vehicle manufacturer and the wheel is properly aligned with the hub. The right torque can be easily achieved through using the right tool for the job: for example, a classic impact wrench on the lower setting (the working torque of the tool should not exceed the required torque) or wrenches with a ‘torque limited’ TL feature which guarantees that the required torque is not exceeded. You should finish the job using a torque wrench to ensure the right torque of each nut.


“ Torque wrenches are precision tools, so to ensure that they continue to deliver excellent performance, you should calibrate them once a year and keep them well maintained. Protect them from shock by storing them in their protective cases and reset them to the lowest value when not being used. ”

Yann Pasco , Global Business Development Manager, Vehicle Service

Tightening tips:


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