How to use a Wheel Balancing Machine

Everything You Need To Know About Wheel Balancers

Balancing wheels correctly is an essential part of professional tyre fitting. Whether you run a busy tyre shop, independent garage, mobile tyre-fitting business or MOT bay, knowing how to use a wheel balancing machine helps you deliver a smoother driving experience, reduce uneven tyre wear and maintain high standards of workmanship.

Modern wheel balancers make the process faster and more accurate, using electronic sensors to identify imbalances and calculate the counterweights needed to correct them. However, achieving an accurate result still depends on correct wheel mounting, precise measurements and following the machine manufacturer’s instructions.

Read on to learn how to use a wheel balancing machine, from preparing and mounting the wheel to fitting weights and checking the final balance. We’ll also cover common mistakes, safety precautions and the features to look for when choosing a wheel balancer for your garage.

What is a Wheel Balancing Machine?

A wheel balancing machine, also known as a tyre balancing machine, is a piece of garage equipment used to identify and correct uneven weight distribution in a wheel and tyre assembly.

Even a small imbalance can cause vibrations when a wheel rotates at speed. A wheel balancer measures these imperfections and indicates where corrective weights should be fitted to achieve a more even rotation.

Wheel balancing is particularly important after fitting a new tyre, repairing a tyre that has been removed from the rim, or investigating vibration complaints.

What Are the Different Types of Wheel Balancers?

There are two main types of wheel balancing equipment: static and dynamic.

Static Wheel Balancers

These are simple manual devices for balancing the wheels of a vehicle that identify a heavy point in a wheel assembly.

After using your tyre changing machine to change the tyre, the wheel with the tyre fitted is placed onto a spindle that is balanced on a suitable vertical supporting device. The spindle is then manually rotated and allowed to come to a standstill, which will do so with the heavier side towards the ground, suggesting that the wheel can be balanced by adding weight to the lighter upper side of the wheel.

Although static balancing can be suitable for certain applications, it offers fewer diagnostic capabilities than modern electronic equipment.

Dynamic Wheel Balancers

Dynamic wheel balancers are automatic devices for balancing the wheels of a vehicle. Most professional garage and tyre-fitting workshops use this type of equipment because it can identify imbalance across different planes of the wheel.

The wheel and tyre assembly is placed on the wheel balancing machine and it is rotated automatically with several sensors detecting the motion of the wheel. As it spins, the sensors of the machine capture the weight imperfections and indicate where the weights need to be applied, and tell the user what the weight imbalance is, and therefore what wheel weight to add.

This is a much more accurate way to balance a wheel and much faster to use for any busy tyre shop, garage or MOT Bay.

Dynamic wheel balancers are available in semi-automatic and fully automatic configurations:

Semi-automatic wheel balancers: The operator measures and enters some wheel dimensions manually, typically including rim width, diameter and distance or offset.
Fully automatic wheel balancers: The machine automatically measures some or all of these dimensions using integrated measuring arms, sensors or other measurement systems, depending on the model.

For this article, we’ll focus on dynamic wheel balancing machines, as this is a common choice for professional garages and tyre-fitting businesses.

Getting Started with Wheel Balancing

Please ensure you know what kind of wheel balancer you have, and that you have the correct appropriate training and experience before operating a tyre machine in a commercial garage, tyre fitting business or MOT testing station.

Below we describe how to prepare the wheel prior to balancing, including correct procedures for removing the old wheel weights, using the wheel balancing machine to identify areas out of balance and selecting and fitting the correct weights to re-balance the wheel, ready for re-fitting to the car.

Practice safety first at all times when using professional tyre fitting and balancing machines and indeed any garage equipment, as these contain powerful motors exerting a lot of torque and can cause serious damage to wheels, tyres, or to you, if not used correctly.

What Equipment Do You Need to Balance a Wheel?

Before you begin, make sure you have the correct equipment and accessories for the wheel being balanced.

You will typically need:

A suitable wheel balancing machine
The correct hub cone, collet or alternative mounting adaptor
A wheel clamp or quick-release wing nut compatible with the machine
Wheel weight removal pliers or an adhesive weight removal tool
The correct replacement wheel weights for the rim
A wheel width and diameter calliper, if required by your machine
Appropriate personal protective equipment, in line with your workshop risk assessment and the manufacturer’s instructions

Using the correct mounting accessories is particularly important when working with alloy wheels, unusual centre bores or wheels that require alternative mounting methods.

How to Use a Wheel Balancing Machine: Step-by-Step Instructions

Follow these steps to balance a car wheel using a typical dynamic wheel balancer. Controls, measuring methods and weight-positioning systems vary between machines, so always refer to the operating manual for your specific model.

1. Prepare the wheel before mounting it on the wheel balancer

Initially ensure the power to the wheel balancing machine is turned off.

Remove the wheel from the vehicle and inspect the tyre and rim for visible damage, excessive wear, deformation or other defects that could affect the balancing process.

Select the correct hub cone for the centre of the wheel rim that best fits the wheel’s centre, ensuring the wheel rotates true during balancing without vibration and keeping the balancing process as accurate as possible.

Remove any old wheel weights from the wheel rim, either using weight pliers for knock-on steel wheel weights or a weight removal tool for self-adhesive stick-on weights for alloy wheels.

Clean the wheel thoroughly, paying particular attention to the surfaces where adhesive weights will be fitted. Remove loose dirt, stones and other debris that could affect the measurement.

If the wheel or tyre is damaged, or the tyre is not seated correctly on the rim, investigate and resolve the problem before attempting to balance it.

2. Mount the wheel correctly on the wheel balancing machine

Slide the cone onto the drive spindle of the wheel balancer with the conical head outward.

Next, mount the car wheel onto the drive spindle of the wheel balancer with the centre of the wheel hub over the conical portion of the hub cone, thus centring the wheel on the spindle.

The wing nut is next placed onto the end of the spindle, if it’s a quick-release one you may be able to push this quickly towards the wheel, but either way, twisting this as it gets towards the wheel will tighten this firmly, and prevents the wheel from moving or vibrating when the spindle turns.

Check that the wheel is seated correctly and held firmly without excessive force that could damage the rim. Incorrect mounting is a common cause of inconsistent balancing results. If the wheel is not centred properly, the machine may report an imbalance that changes when the wheel is remounted.

Now power on the wheel balancing machine, which will light up and initialise the control panel. You can now enter the offset, width and diameter information.

3. Set the wheel offset measurement

Pull out the wheel measurement scale from the body of the wheel balancer and press it against the inside of the wheel rim to get the wheel rim offset measurement.

On a semi-automatic wheel balancer press letters A- and A+ on the control panel of the wheel balancer to increase or decrease the offset measurement displayed until the offset value on the control panel matches that of the wheel being balanced.

If this is a fully-automatic wheel balancing machine the action of moving and holding the wheel measurement scale against the wheel rim should automatically adjust the measurement to the correct figure.

4. Set the wheel width measurement

On a semi-automatic wheel balancer, use the wheel width and diameter calliper tool to measure the width of the wheel rim, entered using the letters B- and B+ on the control panel of the wheel balancer to increase or decrease the width measurement displayed until the width value on the control panel matches that of the wheel being balanced.

If this is a fully-automatic wheel balancing machine there is usually no need to enter a wheel width number, as this is worked out by the wheel balancer itself.

5. Select the Correct Balancing Programme

Choose the appropriate balancing programme for the wheel and the type of weight installation required.

Many machines offer dynamic balancing for conventional wheels, as well as dedicated programmes for alloy wheels and alternative weight-placement positions.

The correct programme depends on the wheel design, the location of suitable weight-fitting surfaces and the machine’s capabilities.

For example, an alloy wheel may require adhesive weights fitted behind the spokes or on designated inner rim surfaces to maintain the appearance of the wheel. The appropriate ALU programme helps the machine calculate the required correction positions.

If you are balancing motorcycle wheels or other specialist applications, ensure the machine is configured with the correct accessories and operating mode.

6. Check the initial wheel balance

Lower the guard over the wheel and tyre – if one is fitted – to begin the spin cycle, which will usually take around 8-10 seconds before coming to a stop automatically.

On some wheel balancer machines, there is a brake pedal to bring the wheel to a stop more rapidly.

Once stopped the control panel display will show the inner and/or outer values of imbalance found on the wheel.

Open the wheel guard and manually, slowly rotate the wheel by hand, when the imbalance lights illuminate, stop moving the wheel and fit the required weights on the wheel, on the correct side as indicated by the balancing machine, to correct the imbalance. Weights should be fitted at the top of the wheel rim, at the 12 o’clock position.

Some wheel balancing machines will have a laser to indicate the exact area to place the wheel weight.

If this is a steel wheel then the weights used will be hammer-on ones that fit the outside lip of the wheel rim.

If this is an alloy wheel then you will be using stick-on weights that prevent damage to the rim, and do not need a hammer or excessive force to apply them.

Repeat the above manual rotation process to identify any further weights that need to be fitted to either the inside or outside of the wheel, and fit these accordingly.

7. Re-check the wheel balance

Once all weights have been fitted, double-check that the wheel is balanced correctly.

Lower the wheel guard to begin a second spin cycle. All balance numbers should show zero, indicating that the weights have been fitted correctly and that the wheel is now properly balanced.

If the machine still reports an imbalance, check the weight positions, confirm that the weights are securely fitted and make sure the wheel remains correctly mounted.

If the readings are inconsistent or the imbalance returns after remounting, investigate potential causes such as incorrect centring, dirt on the mounting surfaces, a damaged wheel or tyre, or a machine that requires inspection or calibration.

Once the result is satisfactory, stop the machine completely before removing the wheel.

The wheel can then be refitted to the vehicle in accordance with the vehicle manufacturer’s procedures, including the correct wheel-fastener tightening specifications.

VIDEO: How to Balance a Wheel With a Wheel Balancer

Watch our video to fully understand the step-by-step instructions of how to balance a wheel with a wheel balancer, demonstrated by Michelle Westby using our C600+ wheel balancer, the most advanced wheel balancer on the market today.

Common Wheel Balancing Mistakes to Avoid

Even with modern equipment, a few common mistakes can affect balancing accuracy.

Incorrect Wheel Mounting

If the wheel is not centred correctly on the spindle, the machine may provide inconsistent readings. Use the correct mounting accessories and follow the manufacturer’s procedure.

Incorrect Wheel Measurements

Entering the wrong rim width, diameter or distance can lead to incorrect weight calculations. Check all manually entered measurements before starting the balancing cycle.

Leaving Old Weights or Dirt on the Rim

Old weights, adhesive residue and debris can affect the result or prevent new weights from attaching properly. Clean the relevant surfaces before balancing.

Fitting the Wrong Type of Weight

Using an unsuitable clip-on weight or adhesive weight can damage the rim or lead to weights becoming detached. Always choose a weight suitable for the wheel design and intended mounting position.

Ignoring Tyre or Wheel Defects

Wheel balancing cannot correct every cause of vibration. Damaged rims, tyre defects, poor tyre seating and other mechanical problems may need to be addressed separately.

Skipping the Final Balance Check

Always repeat the balancing cycle after fitting the weights. This confirms whether the correction has achieved the machine’s required tolerance.

Wheel Balancing Machine Safety Tips

Wheel balancing machines contain rotating components and must be operated with care.

Before use, ensure you have received appropriate training and understand the instructions for your particular machine.

Follow these essential precautions:

Inspect the machine, spindle, mounting accessories and safety guard before use.
Make sure the wheel is securely mounted before starting the cycle.
Keep hands, clothing, jewellery and other loose items away from rotating components.
Use the safety guard and other protective features as instructed by the manufacturer.
Never attempt to fit, remove or reposition weights while the wheel is rotating.
Wait until the wheel has stopped completely before handling it.
Do not exceed the machine’s rated wheel dimensions or weight capacity.
Stop using the machine if you notice unusual vibration, noise or inconsistent results.
Arrange servicing and calibration in accordance with the manufacturer’s recommendations.

A well-maintained machine and trained operator help protect both workshop staff and customers’ wheels.

Why Is Accurate Wheel Balancing Important?

Correct wheel balancing supports a comfortable driving experience and helps reduce problems associated with uneven weight distribution.

The main benefits include:

Reduced vibration: Helps minimise steering wheel and vehicle vibration caused by wheel imbalance.
More even tyre wear: Helps prevent wear patterns associated with imbalance.
Improved driving comfort: Supports smoother wheel rotation and a more comfortable ride.
Protection for vehicle components: Helps reduce vibration-related stress on components where wheel imbalance is a contributing factor.
Professional customer service: Provides an important quality check following tyre replacement or repair.

Wheel balancing is not a substitute for wheel alignment, tyre inspection or mechanical diagnosis. If vibration persists despite a satisfactory balance, further investigation may be necessary.

How to Maintain Your Wheel Balancing Machine

Regular maintenance helps preserve accuracy, reduce downtime and extend the working life of your equipment.

Follow the service schedule and maintenance instructions provided by the manufacturer. Depending on the model and workshop usage, routine checks may include:

Cleaning the machine and removing accumulated dirt.
Inspecting the spindle, cones, collets and clamping accessories for wear or damage.
Checking measuring arms and other measurement systems for correct operation.
Inspecting the safety guard and associated safety features.
Performing calibration and accuracy checks using the prescribed procedure.
Investigating unusual noises, repeated errors or inconsistent readings.

Do not assume that all machines require the same calibration interval. Follow the manufacturer’s guidance and arrange professional servicing when necessary.

If your machine repeatedly produces inconsistent results, check the mounting procedure and accessories first. If the problem continues, contact your equipment supplier or a qualified service engineer.

Frequently Asked Questions About Wheel Balancing Machines

How long does it take to balance a wheel?

The balancing cycle itself may take only a few seconds on some machines, but the complete job also includes preparation, mounting, measurement, weight fitting and final checks. The total time depends on the wheel, the machine and the operator’s experience.

How do I know when a wheel is balanced correctly?

After the final spin, the machine should indicate zero residual imbalance or a result within its specified tolerance. If readings remain inconsistent, check the mounting, measurements and wheel condition before proceeding.

What is the difference between static and dynamic wheel balancing?

Static balancing addresses imbalance in a single plane, while dynamic balancing measures imbalance across two planes. Dynamic balancing is commonly used in professional tyre workshops because it can identify both types of imbalance.

Do alloy wheels require different wheel weights?

Often, yes. Alloy wheels frequently use adhesive weights fitted to suitable surfaces, while steel wheels commonly use clip-on weights. The correct type depends on the rim design and manufacturer recommendations.

Can a wheel balancing machine correct wheel alignment?

No. Wheel balancing corrects uneven weight distribution in the wheel and tyre assembly. Wheel alignment involves adjusting the angles of the wheels relative to the vehicle and road.

Why is my wheel still vibrating after balancing?

Possible causes include incorrect mounting, tyre or rim damage, poor tyre seating, incorrect balancing measurements, wheel alignment problems or other vehicle faults. A satisfactory balancing result does not rule out these issues.

How often should a wheel balancing machine be calibrated?

Follow the manufacturer’s maintenance and calibration schedule. The appropriate interval depends on the machine, its usage and the conditions in which it operates. Regular accuracy checks can help identify problems before they affect workshop results.

Choosing the Right Wheel Balancing Machine for Your Garage

When investing in a new wheel balancer, consider the type of work your garage carries out, the number of wheels you expect to balance and the features that will help your team work efficiently.

Important factors include:

Workshop capacity: Choose equipment suited to your daily tyre-fitting workload.
Wheel compatibility: Check the supported rim diameters, widths and maximum wheel weight.
Measurement features: Automatic distance, diameter and width measurement can reduce manual input on compatible models.
Weight positioning: Laser pointers and automatic positioning features can help improve workflow.
Balancing programmes: Consider whether you need dedicated alloy wheel, motorcycle or specialist balancing modes.
Installation and support: Ensure you can access appropriate installation, maintenance, spare parts and technical assistance.

A smaller workshop or mobile tyre fitter may prioritise a compact, manual-spin model, while a high-volume tyre centre may benefit from a motorised machine with additional automation.

The best wheel balancer is the one that meets your operational requirements, provides reliable results and is supported by a suitable service network.

Explore Wheel Balancing Equipment at Concept Garage Equipment

At Concept Garage Equipment, we supply wheel balancing machines, garage equipment and offer training to support professional tyre-fitting businesses, independent garages and workshops across the UK.

Whether you need a straightforward wheel balancer for a smaller workshop or a more advanced machine with automatic measurement and laser positioning, our team can help you find a suitable solution.

Explore our range of wheel balancers to compare available equipment and identify the right option for your business, and consider whether a Tyre Changing Package would be the most cost-efficient choice for your needs.

You can also read our guide to choosing the right wheel balancer for your garage for more information on the features to consider before purchasing.

If you need advice on selecting equipment, installation, servicing or maintenance, contact our friendly team on 01302 203 888 or use our contact form on our website and we’ll be in touch as soon as possible.