Re: Electronic hubs always locked in?
Brian is correct, Toyota has been using the ADD system since 1990 or so.
No hubs at all, manual or automatic. Drive flanges have the wheels permanently "locked".
My Isuzu Trooper has a similar system, as do Jeeps.
- - as seen in FOUR WHEELER magazine July 06 and OFF-ROAD magazine Feb 07 - -
84 4Runner - ARBed 5.29s F&R, 4.7 & 2.28 t-cases, Chevys, AP x-over, BudBuilt x-member, 2" drv trn lift, 36" TSLs, 30 spline Longs
80 something p/u - Buick 231 V6/TH-350 trans, Holley 4 bbl, Weiand intake, dual batts, dual tanks ...
89 4Runner - stock
2000 Isuzu Trooper + 2010 Sonata