Add it yourself...
Diff Breather Installhttp://www.toyotasurf.asn.au/techsite/diffbreathers.htm
How to Change the Differential Oilhttp://www.lexls.com/tutorials/suspension/diffchange.html
Change the Rear Differential Fluid on '07 Tundra w/pics - Tundra Truckzhttp://www.toyotatundraforum.com/transmission-drivetrain/1347-diy-change-re....undra-w-pics.html
Rear Axle Seal - Faqhttp://www.ttora.com/wiki/index.php/Rear_Axle_Seal
FJ40 - EZ-Locker / Lock-Right install instructionhttp://www.ih8mud.com/tech/woody/ez-lock.html
Tundra/Tacoma Rear Lockrighthttp://www.toy4x4.net/rear_locker/index.htm
Rebuilding and setting up a Land Cruiser differentialhttp://members.cox.net/cglabe1/Diff/diff.html
Front Lockerhttp://www.toy4x4.net/front_locker/index.htm
Hilux Front Axle rebuild and body lifthttp://www.hilux4x4.co.za/front-axle-rebuild-hilux/index.php
Changing Your Front, Rear, Tranny & Transfer Case Fluidshttp://www.4runners.org/writeups/difftsf/index.html
Differential Breather Extensionhttp://www.toy4x4.net/diff_breather/index.htm
Grey Wire Mod - Lock Rear Diff in 4Hihttp://www.customtacos.com/tech/index.php?article=10
Change the Rear Differential Fluid on '07 Tundrahttp://www.toyotanation.com/forum/114-2nd-generation-2007/218004-diy-change....undra-w-pics.html
Front and Rear Diff Oil Changehttp://www.parksoffroad.com/tacomamods/maintitems/diffoilchange/diffoilchange.htm
80-series Center Diff Lock Modhttp://www.ih8mud.com/tech/80centerdifflock.php
E-locker retrofithttp://home.off-road.com/~kemanuel/elocker/elocker.html
3rd Gen 4Runner E-locker Retrofithttp://www.4runners.org/writeups/elocker/
Limited Slip Differential Installationhttp://bananags.grantham-international.com/GS_DIY/LSD/
Lock Right Diff Locker Install, Front Diffhttp://www.toyotasurf.asn.au/techsite/frontdifflocker.htm
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