Parts for your 2014 Subaru Impreza-Wheel studs nuts

2014 Subaru Impreza wheel studs & nuts — what they do and how to look after them

Technical sources including the Subaru Impreza (2012–2016) Service Manual – Wheels & Tyres section, the Subaru Owner’s Manual, and the Subaru parts catalogue confirm the 2014 Subaru Impreza uses wheel studs pressed into the hubs with matching lug nuts (not wheel bolts). The factory spec calls for M12 x 1.25 threads, a 60° taper-seat nut for OE wheels, a 5x100 PCD (most non-STI models), and a wheel nut torque of about 120 N·m. So yes, wheel studs and nuts are absolutely relevant to this model.

On the Impreza, the studs and nuts work together to clamp the wheel firmly to the hub, keeping everything centred and stable while the car deals with Aussie heat or Kiwi rain. Studs make wheel changes quicker and reduce the chance of cross-threading compared with bolt-type setups. The nuts’ tapered seats match the wheel to help centre it, while the clamp load from correct torque keeps the wheel from fretting or moving on the hub face.

For servicing or replacement, a few simple habits go a long way:

• Tighten wheel nuts to 120 N·m using a torque wrench, in a star pattern. Re-check torque after 50–100 km following a wheel-off service, rotation, or new tyres.
• Keep threads clean and dry. Subaru’s torque spec is for dry threads—avoid lubricants and anti-seize on studs or nuts unless specifically directed, as it alters clamp load.
• Inspect for damage: look for rusty threads, galling, cracks at the stud base, or stretched studs (threads pulled thin). Replace any suspect studs or nuts straight away.
• Match the seat type: OE wheels use 60° tapered nuts. Don’t mix mag or ball-seat nuts with taper-seat wheels.
• Check engagement: aim for at least the full nut depth of thread engagement (often 7+ turns on M12x1.25). If running thick aftermarket wheels or spacers, use extended studs or open-ended nuts as needed.
• Protect against corrosion, especially near the coast. Quality coated nuts and periodic inspection help avoid seized hardware.
• Stud replacement is a press-in job: remove the calliper and brake rotor, press or draw the old stud out, seat the new stud squarely, then torque the wheel correctly.

If unsure on specs or parts, match by VIN and follow the Subaru service manual procedures. Done right, fresh studs and correct torque keep the Impreza riding smooth, protecting bearings, wheels and tyres.

What’s the correct wheel nut torque for a 2014 Impreza?

The factory specification is about 120 N·m. Tighten in a star pattern on a cool wheel, then re-check after 50–100 km whenever the wheel has been off. This helps settle the wheel and keeps the clamp load even, which reduces the risk of vibration and rotor warping.

How can someone tell if a wheel stud is stretched or damaged?

Common signs include hard-to-start nuts, visibly thinned or rolled threads, cracking at the stud base, or nuts that never seem to tighten smoothly. If a nut spins past normal torque or the threads look chewed, replace the stud and the nut together. It’s cheap insurance against wheel or hub damage.

Can anti-seize be used on Subaru wheel studs?

Best practice is no—Subaru’s torque spec is for clean, dry threads. Lubricants or anti-seize change friction and can over-clamp the wheel at the same torque setting. If a repair absolutely requires a lubricant, a revised torque procedure is needed, but for routine servicing, keep threads dry and clean.