Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Lexus ES 350FACTORY OEM SERVICE PROCEDURE
Window Defogger System: Repair
- REPAIR WINDOW DEFOGGER WIRE
- Clean the broken wire tips with a grease, wax and silicone remover.
- Place the masking tape along both sides of the wire.
- Thoroughly mix the repair agent (DuPont paste No. 4817 or equivalent).
- Using a fine tip brush, apply a small amount of the agent to the wire.
- After a few minutes, remove the masking tape.NOTE: Do not repair the defogger wire again for at least 24 hours.
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:
- • 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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