Came accross this useful link here:
Toyota Tacoma/ 4Runner/ Tundra/ FJ Cruiser Factory Service Manual Page
A great collection of Factory Service Manuals (FSMs) includes 4runners (1st -4th gen), FJ Crusier, Hilux, Tacoma and Tundra trucks. Also includes 1CD-FTV, 1KD-FTV and 2KD-FTV engine manuals.
If you are a 1KZ-TE fan like me, here is its link:
1KZ-TE Engine Manual
Alot of 3rd gen Surf (4runner) reference material here:
3rd Gen 4Runner FAQs
Sorry no LC reference here.