2013 Toyota Sienna LFACTORY OEM SERVICE PROCEDURE

External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (Automatic Transmission (U660F) (Diagnostics - Introduction)) Section 2 (Automatic Transmission (U660F) (Service Information)) Section 3 (Transfer Case (Service Information)) Section 4 (Automatic Transmission (U660F) (Diagnostic Codes & Circuit Tests)) Section 5 (Active Torque Control 4WD System (Diagnostics - Introduction)) Section 6 (Active Torque Control 4WD System (Diagnostic Codes & Symptom Tests))

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.