2008 Lexus GS 450hFACTORY OEM SERVICE PROCEDURE

Window Defogger Wire: Repair

  1. REPAIR DEFOGGER WIRE 
    1. Clean the broken wire tips with grease, wax and silicone remover.
    2. Place masking tape along both sides of the wire.
    3. Thoroughly mix the repair agent.

      Dupont paste: 

      No. 4817 or equivalent 

      Fig 1: Identifying Repair Point On Defogger Wire
      G05315073Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Using a fine tip brush, apply a small amount of the agent to the wire.
    5. After a few minutes, remove the masking tape.
      NOTE: Do not repair the defogger wire again for at least 24 hours.
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.