Senior Member
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Join Date: Dec 2015
Location: Colorado
Posts: 1,181
Real Name: Ron
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Senior Member
Join Date: Dec 2015
Location: Colorado
Posts: 1,181
Real Name: Ron
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Calling the Toyota transmission "sealed" is a bit of an overstatement. It's no more "sealed" than your differential or your transfer case. It has a drain plug, a fill plug, a check plug, and a breather to equalize pressure to keep from blowing out the seals. It just doesn't have a dipstick or a convenient way to fill it from the top through a funnel. Basically Toyota reconfigured it so that servicing it is much like servicing your diff or tcase, although because of the torque converter it's harder to drain out all the fluid. But that applies to the older auto transmissions with dipsticks as well.
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2006 Sport Edition, V8, 206K miles, 2.5/1.5" OME lift, SPC adjustable UCA's, 255/75/17 BFG KO2's load range C @ 40psi. Regeared diffs to 4.30, with TrueTrac in rear.
1994 SR5, V6, 5-spd, Aussie locker front, Aisin manual hubs, Truetrac rear, 33/10.50/15 BFG KO's, stock suspension, OBA (Viair 400C), Front Range Offroad twin stick, 225K miles. Dual 2.28 transfer cases, for a 90:1 crawl ratio.
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