2003 Lexus RX 300 FWDFACTORY OEM SERVICE PROCEDURE

Vehicle Identification And Engine Serial Number

  1. VEHICLE IDENTIFICATION NUMBER 

    The vehicle identification number is stamped on the vehicle identification number plate and the certification label, as shown in the illustration.

    1. Vehicle Identification Number Plate
    2. Certification Label
      Fig 1: Identifying Vehicle Identification Number Plate
      G03381507Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. FRAME NUMBER 

    The frame number is stamped on the front floor pan under the frame number cover.

    Remove the frame number cover.

    Insert a screwdriver between the frame number cover and the carpet to push the claw (A) and disengage the claw on the side of (1), then slide the frame number cover to (B) direction to disengage the claw on the side of (2).

    Fig 2: Identifying Frame Identification Number
    G03381508Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. ENGINE SERIAL NUMBER 

    The engine serial number is stamped on the engine block, as shown in the illustration.

    Fig 3: Identifying Engine Serial Number
    G03381509Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

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

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

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