Differential Drain Plug-Won't Budge

Think those would work with a long 1/2” breaker bar ?

 

There’s really no room for long tool less you lift up the truck
Keep in mind the leverage angle

 

I've drained and filled well over 100 Tacoma/4runner front diffs. Only had 1 drain bolt strip, it was my personal GX470 before I became proficient at working on Toyota trucks.

For the front diff drain bolt I use a very long (18-20 inch) 3/8 ratchet and 10mm hex socket. There isn't much room for the ratchet head at the drain plug.

With the truck jacked up is better. Once the socket is fully inserted into the hex bolt, I smack the long ratchet once or twice. This usually breaks it free. If not, then I very carefully apply steady pressure, making sure the hex socket stays straight. It's easy for it to get crooked, since the head of the ratchet can interfere with the diff housing if not at the correct angle.