2003 Ford Mustang Mach 1, StandardFACTORY OEM SERVICE PROCEDURE

Removal And Installation: Module: Installation

    NOTE: The brake system must be bled after the HCU is installed or replaced. refer to BRAKE SYSTEM-GENERAL INFORMATION .
  1. To install, reverse the removal procedure.
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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.