2011 Honda Insight BaseFACTORY OEM SERVICE PROCEDURE

Fuel Pulsation Damper Replacement

  1. Relieve the fuel pressure (see FUEL PRESSURE RELIEVINGΒ  ).
  2. Remove the engine cover (see step 2 IGNITION COIL REPLACEMENT ).
  3. Remove the intake manifold (see INTAKE MANIFOLD REMOVAL AND INSTALLATION ).
  4. Remove the fuel rail mounting nuts from the fuel rail.
  5. Disconnect the fuel injector connectors.
  6. Remove the fuel rail.
  7. Place a wrench (A) on the fuel rail (B).
    Fig 1: Removing Fuel Rail And Fuel Pulsation Damper With Torque Specification
    G06429554Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Place second wrench (C) on the fuel pulsation damper (D).
  9. Remove the pulsation damper by holding the first wrench while turning the second wrench.
  10. Install the fuel pulsation damper in the reverse order of removal with new washers.
    NOTE:
    • Replace all washers whenever the fuel pulsation damper is loosened or removed.
    • If the drain hole (A) of the fuel pulsation damper cover does not face bottom, reinstall it as shown.
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.