Originally Posted By: Cardenio327
Originally Posted By: mehullica
Use GL-4 type oils only. GL-5 will corrode the brass syncros in the gearbox
I really doubt you'll find soft metal in a Toyota gearbox. They always specced GL-5, but a dedicated GL-4 will probably provide smoother shifting.
GL-4 required is more of a Nissan thing.
Toyotas as well as Nissans,Mazda's,etc all use soft yellow metals. Use a GL4 ONLY.