YotaTech Forums - View Single Post - replace rear diff or rear axle... in a bind

BlackToySteve · 11-11-2006, 10:20 AM

In layman's terms, diff=third member.

Third member: the combined unit that is the carrier, ring & pinion, spider gears/locker/LSD, whathaveyou, all bolted into the unit that unbolts from the axle itself. Also known as a differential assembly in the context of Toyota pickup axles.

Differential: the type of carrier and spider gears/locker/LSD used, i.e. open, locked, etc. The actual meaning of differential meaning the split of power from the ring & pinion between the axles and thus to the wheels, allowing the axles shafts to turn at different rates to make turns more easily.

Axle housing: the part that holds the third member and the axles.

In other words, you are asking whether or not to replace the third member or the entire axle including housing and third member.

If I were you, and the third member is bad (probably fried pinion bearing or busted teeth) and an axle shaft is bent, I would replace the entire axle. If you can find the parts at the local salvage yard, then replacing only the bent axle shaft and third would be viable, as long as the axle housing itself is not bent.

11-11-2006, 10:20 AM	#7 (permalink)
BlackToySteve Registered User Join Date: Oct 2006 Location: Spokane, WA Posts: 35	In layman's terms, diff=third member. Third member: the combined unit that is the carrier, ring & pinion, spider gears/locker/LSD, whathaveyou, all bolted into the unit that unbolts from the axle itself. Also known as a differential assembly in the context of Toyota pickup axles. Differential: the type of carrier and spider gears/locker/LSD used, i.e. open, locked, etc. The actual meaning of differential meaning the split of power from the ring & pinion between the axles and thus to the wheels, allowing the axles shafts to turn at different rates to make turns more easily. Axle housing: the part that holds the third member and the axles. In other words, you are asking whether or not to replace the third member or the entire axle including housing and third member. If I were you, and the third member is bad (probably fried pinion bearing or busted teeth) and an axle shaft is bent, I would replace the entire axle. If you can find the parts at the local salvage yard, then replacing only the bent axle shaft and third would be viable, as long as the axle housing itself is not bent. __________________ 1994 Toyota T100, 3.slow V6, AT, 5.29's, front locker, 32x11.50's, Northwest Pinstriping Last edited by BlackToySteve; 11-11-2006 at 10:27 AM.