Symptom Chart

2005 Ford Crown Victoria Special EditionSECTION Symptom Chart
PROBLEM SYMPTOM CHART

Condition Possible Sources Action
  • Traction-Lok® does not work in snow, mud or on ice
  • Differential.
  • Lubricant leaking from the pinion seal or axle shaft oil seals
  • Vent.
  • CLEAN the axle housing vent.
  • Damage in the seal contact area or dust slinger on the pinion flange dust shield.
  • INSTALL new pinion flange and the pinion seal if damage is found.
  • Differential side gears/pinion gears are scored
  • Insufficient lubrication.
  • Incorrect or contaminated lubricant type.
  • Axle overheating
  • Lubricant level too low.
  • CHECK the lubricant level. FILL the axle to specification.
  • Incorrect or contaminated lubricant type.
  • INSPECT the axle for damage. REPAIR as necessary. CLEAN and REFILL the axle to specification.
  • Bearing preload adjusted too tight.
  • CHECK the ring and pinion for damage. INSPECT the ring and pinion wear pattern. ADJUST the preload as necessary.
  • Excessive gear wear.
  • INSPECT all the axle gears for wear or damage. INSTALL new components as necessary.
  • Incorrect ring gear backlash.
  • INSPECT the ring gear for scoring. INSPECT the ring and pinion wear pattern. ADJUST the ring gear backlash as necessary.
  • Broken gear teeth on the ring gear or pinion
  • Overloading the vehicle.
  • Axle shaft broken
  • Overloading the vehicle.
  • Misaligned axle shaft tube.
RENDER: 1.0x

NO RELATED

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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.