2004 Toyota Tacoma Owners Manual - Page 217
2004 Toyota Tacoma Manual
Page 217 highlights
'04 Tacoma U (L/O 0309) Suspension and chassis The engine number is stamped on the engine block as shown. CAUTION Do not modify the suspension/chassis with lift kits, spacers, springs, etc. It can cause dangerous handling characteristics, resulting in loss of control. 217 2004 TACOMA from Sep. '03 Prod. (OM35814U)