2004 Ford Expedition Leak in front differential

2004 FORD EXPEDITION
74,000 MILES • V8 • 4WD • AUTOMATIC
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MAR200
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  • 1 POST
Need to replace seal in front differential. How is this done? Also, truck making a roaring noise in front noise gets louder and quieter when speed of vehicle changes.
Jul 14, 2010 at 9:15 AM
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JACOBANDNICKOLAS
  • ✓ASE Certified Mechanic
  • 110,194 POSTS
  • ASE Certified Mechanic
Is it a pinion seal or axle seal? Also, if you hear a noise, you may have to take things apart to see if the bearing in the differential is bad. A bad bearing may be what caused the seal to go bad.

Let me know.
Jul 15, 2010 at 11:07 PM
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