F 350 4WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
Special Tool(s)
Material
1. Remove the axle assembly.
2. Remove the differential housing cover and drain the lubricant from the rear axle.
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Clean the gasket material from the differential housing cover and the differential housing.
3. NOTE: An inspection can find the cause of the concern and determine the resolution.
Carry out the following before disassembly.
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Remove all the lubricant from the internal parts of the conventional differential assembly or Trac-Lok differential assembly. Visually inspect
the parts for wear and damage.
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Rotate the differential assembly to check for any roughness, indicating damaged bearings or gears.
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Check the differential ring gear and pinion teeth for signs of scoring, abnormal wear, nicks or chips.
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Use a magnet to search for hidden heavy metal particles indicating component damage.
