What size bolts does Subaru use?
As a seasoned auto service provider, I often encounter questions about the specific components used in various vehicles. One common inquiry is about the bolt sizes utilized in Subaru cars. Knowing the correct bolt sizes is crucial for maintenance and repair tasks, ensuring that parts are securely fastened and function properly. In this article, we will explore the typical bolt sizes used in Subaru vehicles and provide some tips for working with them.
Common Bolt Sizes in Subaru Vehicles
Subaru vehicles are known for their reliability and performance, but they also require specific bolt sizes for various components. Here are some of the most commonly used bolt sizes:
- 10mm Bolts: Frequently used for engine components and suspension parts.
- 12mm Bolts: Commonly found in the transmission and differential assemblies.
- 14mm Bolts: Often used for larger components such as the engine block and cylinder heads.
- 17mm Bolts: Typically used for wheel lug nuts and some suspension components.
- 19mm Bolts: Commonly used for larger fasteners in the drivetrain.
Understanding these sizes can help you when performing maintenance or repairs on your Subaru. Always ensure you have the correct tools and replacement parts on hand to avoid any complications during your work.
Tips for Working with Subaru Bolts
When dealing with bolts in Subaru vehicles, here are some helpful tips to keep in mind:
- Use the Right Tools: Always use the appropriate socket or wrench size to avoid stripping the bolt heads.
- Check Torque Specifications: Refer to the vehicle's service manual for the correct torque specifications to ensure proper fastening.
- Inspect for Damage: Before reusing bolts, inspect them for any signs of wear or damage, as this can affect their performance.
- Use Anti-Seize Compound: For bolts that are prone to corrosion, applying an anti-seize compound can help prevent them from seizing in place.
- Keep a Clean Workspace: A clean workspace helps prevent losing small parts and ensures that you can work efficiently.
By following these tips, you can ensure that your maintenance and repair tasks on Subaru vehicles are performed smoothly and effectively. Proper handling of bolts is essential for the longevity and safety of your vehicle.
Frequently Asked Questions
Do all Subarus have the same bolt pattern?
Subaru's that have different bolt pattern than your car are: 2005-present STI and 2015 WRX. Everything else has the same bolt pattern.
What brands use 5x100 bolt pattern?
5x100 Bolt Pattern Wheels
This bolt pattern is often used by vehicle brands such as Volkswagen, Toyota, Pontiac, Chrysler, Buick, Chevy, Subaru, and Audi. You can shop wheels in the 5x100 lug pattern in varying sizes, from 14-inch up to 20-inch, and even 22-inch wheels.
Are all Subaru lug nuts the same?
No, not all Subaru lug nuts are the same. There are various wheel nuts for Subaru in the market. Most Subaru vehicles use steel wheel nuts. The most common thread sizes that are used by Subaru cars are M12x1.
What size lug nuts does Subaru use?
What Size are OEM Subaru Lug Nuts? The lug nut size on most Subarus is 12mm x 1.25. This includes models like the Impreza, Legacy, Outback, Forester, Crosstrek, and newer WRX/STi models. It's important to stick with OEM Subaru lug nuts or get high-quality aftermarket nuts in the proper size.
What size head bolt for Subaru?
Socket size: 14mm x 12 pt.
Can I reuse my Subaru head bolts?
There are different is between a standard bolt and a torque to yield or stretch bolt.
How do I know what size bolt I need?
To determine bolt diameter, measure the distance from the outer thread on one side to the outer thread on the other side. This is called major diameter. Alternatively, you can measure the bolt shank diameter. The shank is known as the body or sometimes, the shoulder.
Does Subaru use metric or standard bolts?
Yes, almost all Subaru cars use metric bolts. The thread sizes of the lug nuts will vary based on the wheel studs. Therefore, you need metric Subaru lug nuts to fully secure the wheels. For example, the most common metric thread sizes of Subaru bolts are M12x1.
Are all Subaru head bolts the same?
I just went to the shop and looked at every subi head bolt I could find and they all look the same. The bolt lengths are all the same. The difference is the washer diameters.
What bolt pattern does Subaru use?
Most Subaru cars use either a 5×100 or 5×114.3 pattern.