2004 Lincoln Aviator RWDFACTORY OEM SERVICE PROCEDURE

Symptom Chart

SYMPTOM CHART

Condition Possible Sources Action
  • Excessive effort needed to depress accelerator pedal and shaft
  • Worn accelerator lever pivot bushing.
  • INSTALL a new accelerator pedal and shaft. REFER to BRAKE SYSTEM .
  • Accelerator cable binding.
  • Worn or damaged throttle body.
  • Accelerator pedal and shaft feels rough or raspy
  • Frayed or binding accelerator cable.
  • Worn or damaged throttle body.
  • Accelerator pedal and shaft bind or stick
  • Kinked accelerator cable.
  • Foreign object caught in accelerator pedal linkage.
  • CHECK the accelerator pedal linkage. REMOVE any foreign objects.
  • Worn or damaged throttle body.
  • High engine idle speed
  • Kinked accelerator cable.
  • Foreign object caught in accelerator pedal linkage.
  • CHECK the accelerator pedal linkage. REMOVE any foreign objects.
  • Incorrect engine idle speed.
  • Adjustable accelerator pedal and shaft does not adjust
  • Foreign object caught in accelerator linkage.
  • CHECK the accelerator pedal linkage. REMOVE any foreign objects.
  • Accelerator pedal assembly drive cable disconnected or broken.
  • CHECK that the adjustable pedal assembly drive cable is connected to the accelerator pedal and shaft assembly.
  • Adjustable pedal assembly drive motor.
  • REFER to BRAKE SYSTEM for adjustable pedal assembly diagnostics.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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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