Now I think it actually IS a valve. I was told these vavles are hydrolic (no adjustments needed). Today I saw valve adjustment clearances on the engine spec sticker under the hood. I'm gonna adjust them this weekend and it will probably go away.


1993 4Runner SR-5 4WD V-6 Auto Trans
1990 Pick-up (Hilux) 2WD SR-5 V-6 Auto Trans