Replace The Wheel Studs on a Toyota 86, Scion FRS, and Subaru BRZ
Need to replace a broken wheel stud on your FRS/BRZ/86? Here's the easiest way to do it right.
My wife had a flat, so we put the spare on to get the car to the shop. For whatever reason, this resulted in one of the lug nuts becoming frozen to the wheel stud.
Unfortunately this required replacing the wheel stud. So I looked up a few different ways people replace them on the FRS/BRZ/86 twins and talked to my local, highly trusted wheel & tire shop (a "mom and pop" who's owners are heavily involved in the local autocross organizations).
The shop recommended the installation tool I link to in this article and it worked perfectly.
- Wheel Stud Installation Tool
- 19mm deep socket
- 1/2-inch drive wrench
- 3-5lb. hammer
- Jack
- Jack Stands
- Optional: A strong cordless or pneumatic impact gun.
- Replacement Wheel Studs ARP 100-7727
- Optional Replacement Lug Nuts (M12 x 1.25) McGard 64013
- Optional: A M8-1.25 hex screw to help remove the brake rotor
Remove the old Stud
Use jack stands. Every single time. Too many people die from preventable accidents!
Remove the brake rotor.
The rotor may stick to the hub due to corrosion. Use some light percussive force or screw in a M8 X 1.25 bolt to force the rotor off.
Hammer the old stud out.
You'll need to hammer it from the front - out the back. If the stud snapped off at the base - you may need a center punch to get it out.
Install the new Stud
Put the stud install tool in place over the threaded end of the stud.
The acorn side goes out, toward the lug nut.
Thread the lug nut onto the new stud. Tighten till the stud pulls itself into the hub. When the flange is fully seated against the back of the hub, you're done.
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Written by:iturgeon
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