2003 Honda Civic SiFACTORY OEM SERVICE PROCEDURE

Throttle Cable Removal/Installation

  1. Fully open the throttle valve, then remove the throttle cable (A) from the throttle link (B).
    Fig 1: Removing The Throttle Cable From The Throttle Link
    G01399592Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Remove the cable housing (C) from the cable bracket (D).
  3. Remove the throttle cable (A) from the accelerator pedal (B).
    Fig 2: Removing The Throttle Cable From The Accelerator Pedal
    G01399593Courtesy of AMERICAN HONDA MOTOR CO., INC.
  4. Install in the reverse order of removal.
  5. After installing, start the engine. Hold the engine at 3,000 rpm with no load (in neutral) until the radiator fan comes on, then let it idle.
  6. Hold the cable, removing all slack from it.
  7. Set the locknut on the cable bracket (A).

    Turn the adjusting nut (B) so that its free play is 0 mm.

    Fig 3: Setting The Locknut On The Cable Bracket
    G01399594Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Position the adjusting nut on the other side of the bracket (A), then tighten the locknut(C).
  9. With the cable properly adjusted, check the throttle valve to be sure it opens fully when you push the accelerator pedal to the floor. Also check the throttle valve to be sure it returns to the idle position whenever you release the accelerator pedal.
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.