1990 Hyundai Excel Base, 2D Hatchback, StandardFACTORY OEM SERVICE PROCEDURE

Grid Filament Repair

  1. If repair is required, use razor blade to remove small amount of silicone covering from damaged area, exposing grid line. Clean exposed broken grid line area with alcohol. Place masking tape along both sides of grid line area to be repaired. See Fig 1 .
    Fig 1: Repairing Rear Defogger Grid Filament
    G92A01033
  2. Thoroughly mix small amount of repair agent (Dupont paste No. 4817). Apply agent to grid line break area, overlapping each end of line about 3/4". After a few minutes drying time, carefully remove tape from line edges. DO NOT touch repaired area for 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:

  • 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.

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