Parts for your 2009 Toyota Vitz|yaris-Wheel studs nuts

2009 Toyota Vitz/Yaris wheel studs & nuts — what they do and how to look after them

Wheel studs and nuts are absolutely used on the 2009 Toyota Vitz/Yaris (XP90). Technical references including the Toyota Yaris (P9, 2006–2011) Repair Manual, Toyota Electronic Parts Catalogue (EPC), and common workshop data confirm the hubs use pressed-in M12×1.5 studs with 60-degree taper-seat nuts to clamp the wheel. That means this model does not use wheel bolts.

On this Yaris, the wheel studs are fixed in the hub and the nuts secure the wheel to the hub face. Their job is simple but critical: provide even clamping force so the wheel stays true, the brake rotor is located properly, and the load transfers safely. Most 2009 Yaris/Vitz variants run four studs per wheel on a 4×100 PCD (some sport variants may have five), with a typical torque spec of 103 N·m. That figure comes from Toyota service literature for the P9 series and is what most Aussie and Kiwi workshops use.

Servicing these little fasteners is straightforward and worth doing right. A few practical pointers help keep them sweet:

• Fitment: Always start nuts by hand to avoid cross-threading. Use a criss-cross pattern and finish with a torque wrench at 103 N·m. Avoid sending them home with a rattle gun.
• Cleanliness: Keep the hub face and wheel mating surface clean of rust, paint, and grit so the torque translates into clamp load. No lubricant on threads or seats unless a service bulletin says otherwise—Toyota specifies dry threads.
• Check after wheels-off: After tyre rotation or brake work, re-torque after 50–100 km of driving.
• Compatibility: Match nut seat style to the wheel. Most OE Yaris steel and many OE alloy rims use a 60-degree taper-seat M12×1.5 nut. Aftermarket alloys can differ—check the wheel maker’s spec and don’t mix seat types.
• When to replace: Replace any nut that’s rounded, cracked, or won’t hold torque, and any stud with damaged or stretched threads, corrosion, or that spins in the hub. Use a thread chaser for light clean-up, if in doubt, renew the part.
• Stud replacement basics: Safely support the car, remove the brake caliper and rotor if required, knock out the damaged stud, and draw the new stud into the flange using a stack of washers and a sacrificial nut. Finish with the correct wheel nuts and torque properly.

Looked after this way, the Yaris’ wheel studs and nuts deliver reliable clamping mile after mile, keeping tyres wearing evenly and the steering feel tidy.

What’s the correct wheel nut torque for a 2009 Toyota Vitz/Yaris?

The commonly specified torque is 103 N·m for M12×1.5 taper-seat nuts on the XP90 Yaris/Vitz. Tighten in a star pattern on each wheel, then re-check after a short drive. If threads are lubricated (not recommended), torque readings will be inaccurate—keep them dry and clean.

Are wheel nuts the same for steel and alloy rims on this model?

Most OE steel and many OE alloy Yaris/Vitz wheels use 60-degree taper-seat M12×1.5 nuts, but some aftermarket alloys need different seats or shank styles. Always match the nut to the wheel seat design, mixing types can cause loosening or damage.

What stud size and PCD does the 2009 Yaris/Vitz use?

Standard models run M12×1.5 studs on a 4×100 PCD with a 54.1 mm centre bore. Some sport variants may have five studs, but they’re still studs-with-nuts rather than wheel bolts. Right-hand threads are used on all corners.