03-24-2012, 07:18 PM
for 03 tacoma 4x4 trd. not my truck but im going to do a rear diff oil change on it. it has i believe 160k miles and never had one done, so now do i use synthetic or regular? how do i know if this truck have lsd? theres a switch that says r/r locker, so im assuming it has a locker. my bros truck and since im doing my tundra, im going to do his. i got some regular 75-90 valvaline gear oil, hopefully that will work. how many qts to use?