FORMULA, SUPERPRO, MCA, MSA, FOX Wheel Hangers

Wheel hangers make it easier to position a wheel correctly against the hub during removal and installation. Also known as wheel mounting guide pins, these simple automotive tools provide a temporary guide that helps line up the wheel with its mounting points while you work. They can be particularly useful with wheel bolt systems, where there are no permanently protruding wheel studs to guide the wheel into position.

What Is a Wheel Hanger?

A wheel hanger is a wheel fitting tool designed to assist with positioning a wheel during removal or installation. It is also commonly referred to as a wheel mounting guide pin or wheel guide pin.

On a compatible wheel bolt system, the hanger threads temporarily into one of the hub's wheel bolt holes. The wheel can then be positioned over the guide, helping line up the wheel and hub while the remaining wheel bolts are installed.

Once the wheel is supported by its normal fasteners, the hanger is removed and the remaining wheel bolt can be installed in its place.

The tool does not become a permanent part of the wheel assembly. Its purpose is simply to provide guidance and support while the wheel is being positioned.

How Does a Wheel Hanger Work?

Wheel installation can be awkward when the wheel needs to be held against the hub while its mounting holes are lined up at the same time.

A wheel hanger provides a temporary reference point.

Before positioning the wheel, the hanger is threaded into a compatible wheel bolt hole. The corresponding mounting hole in the wheel can then be placed over the guide.

This helps maintain the relationship between the wheel and hub while the wheel is moved into position.

With the wheel positioned correctly, the normal wheel fasteners can be started according to the appropriate installation procedure. The guide pin can then be removed so the final fastener can be fitted.

The wheel hanger itself does not secure the wheel for driving. The wheel must still be installed and tightened using the correct fasteners and procedure.

Why Use a Wheel Hanger?

The main advantage of a wheel hanger tool is easier wheel positioning.

Without a guide, fitting a wheel to a wheel bolt system can require you to support the wheel while simultaneously rotating and positioning it until the mounting holes line up with the threaded holes in the hub.

A guide pin gives the wheel a reference point during this process.

This can be particularly helpful when working with wheels that are awkward to hold and position.

A wheel hanger can help with:

• guiding the wheel towards the correct mounting position;
• lining up wheel mounting holes with the hub;
• reducing the need to repeatedly reposition the wheel;
• keeping the wheel positioned while the first fasteners are started; and
• making wheel removal and installation more manageable.

It remains important to handle the wheel correctly and follow normal wheel installation procedures. A wheel hanger assists with positioning but does not replace appropriate lifting, fastening or tightening practices.

Wheel Hangers and Wheel Bolt Systems

Understanding the difference between wheel bolts and wheel studs helps explain why wheel hangers can be useful.

In a wheel stud system, threaded studs protrude from the hub. The wheel mounting holes pass over these studs, which naturally provide guidance as the wheel is positioned.

A wheel bolt system works differently. Instead of permanent studs protruding from the hub, removable wheel bolts pass through the wheel and thread into the hub. When the wheel has been removed, there may therefore be no protruding stud to guide it back into position.

A threaded wheel mounting guide pin can temporarily provide that reference.

It is installed in a compatible threaded mounting hole before the wheel is positioned. After the wheel is in place and the other fasteners have been started, the guide can be removed and replaced with the normal wheel bolt.

Because wheel mounting systems differ, compatibility should always be checked before selecting or using a wheel hanger.

Wheel Hangers vs Wheel Alignment Tools

The word alignment can cause confusion when discussing wheel hangers.

A wheel hanger helps line up the wheel with its mounting points during installation. This is not the same as performing a wheel alignment.

Wheel alignment refers to suspension and steering geometry, including measurements such as toe, camber and caster.

A wheel hanger does not measure or adjust these angles.

Instead, it is a wheel installation tool. Its job is to help physically position the wheel relative to the hub while the normal wheel fasteners are installed.

Keeping these two functions separate is important when choosing automotive tools. A wheel mounting guide can assist with a wheel change, but correcting suspension geometry requires appropriate wheel-alignment equipment and procedures.

Choosing the Right Wheel Hanger

Compatibility is the most important consideration when choosing a wheel mounting guide pin.

The hanger needs to suit the threaded mounting point in which it will be used. Thread specifications can differ between applications, so a guide should not be forced into a hole simply because it appears to be approximately the correct size.

Before choosing a wheel hanger, check:

• Thread compatibility: Confirm that the guide has the correct thread specification for the intended mounting point.
• Wheel mounting system: Determine whether the tool is suitable for the type of wheel fastening system being used.
• Guide dimensions: Check that the tool can pass through the relevant wheel mounting hole and perform its intended guiding function.
• Tool specifications: Follow the individual product information regarding compatibility and use.

Using an incorrect thread can damage the mounting point, so compatibility should be established before the tool is installed.

If the required specification is uncertain, confirm the wheel fastening details before choosing a guide pin.

How to Use a Wheel Hanger

The exact procedure should follow the instructions for the particular tool and vehicle, but the basic principle is straightforward.

With the vehicle correctly supported and the wheel ready to be installed, a compatible wheel hanger is threaded into an appropriate wheel bolt hole.

The corresponding mounting hole in the wheel is then positioned over the hanger. The guide helps locate the wheel as it is moved towards the hub.

Once the wheel is correctly positioned, the normal wheel fasteners can be installed and started according to the appropriate procedure.

The wheel hanger is then removed and the remaining wheel fastener installed.

All wheel fasteners must still be tightened correctly using the required procedure and torque specification. The hanger is a positioning aid, not a replacement wheel fastener.

Care should also be taken when installing the hanger itself. If it does not thread into the mounting point correctly, stop and verify compatibility rather than forcing it.

Find Wheel Hangers at Fulcrum Suspensions

Other tools for wheel and suspension work include tyre pressure gauges and wheel alignment tools.

Make wheel fitting more manageable with a wheel hanger or wheel mounting guide tool from Fulcrum Suspensions. Check the specifications carefully to make sure the tool suits your wheel mounting system, or contact Fulcrum for help identifying the appropriate option for your application.