2001 Toyota PriusFACTORY OEM SERVICE PROCEDURE

HV Battery: Disassembly

  1. INSTALL ENGINE HUNGER 

    Install the engine hanger onto the MG1 side as shown in Fig 1, and lift it up by a chain device.

    Engine hanger part No.: 12281-67070, S1228-11781 

    Bolt part No.: 91642-81045 91642-81265 2 pieces 

    Nut part No.: 90178-10001 90179-12147 2 pieces 

    Fig 1: Installing Engine Hunger
    G03452741Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

Use the Manual With the Right Hardware

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

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.