2003 Toyota Sienna Owners Manual - Page 339

03 SIENNA_U (L/O 0207) Maintenance procedures for the engine, chassis, body, electrical system, and more, are clearly explained and illustrated. Periodic maintenance and tune−up Periodic maintenance and tune−up helps to prevent small problems from growing into larger ones later on. The repair manual outlines exactly what maintenance is required and clearly explains how to do the work yourself step−by−step. Areas covered include such things as spark plug replacement, valve clearance adjustment and engine oil and filter replacement. Where to obtain the Repair Manual The repair manual for SIENNA, written in English, may be purchased as applicable from any Toyota dealer. Pub. Name: 2003 SIENNA Repair Manual Pub. No.: RM954U1 (Maintenance, Preparation, Service specifications and Diagnostics) RM954U2 (Engine, Chassis and Body) 2003 MY SIENNA (OM45410U)