2021 Hyundai Veloster TurboFACTORY OEM SERVICE PROCEDURE

Repair Procedures: Installation

  1. To install, reverse of replacement procedure.
  2. Tighten the HECU mounting bolts and nuts to the specified torque.
  3. After installation, bleed the brake system.

    (Refer to ESP (Electronic Stability Program) System - "ESP SYSTEM BLEEDINGΒ ")

  4. Conduct the Variant coding.
  5. Conduct the Auto Detected Sensor Calibration.
  6. Conduct the Longitudinal G Sensor Calibration.
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.