Forum Discussion
Boxerslave
Jun 23, 2014Explorer
Sounds like pinion seal, 10 years old will make the rubber hard and brittle. Make sure that who ever changes the seal also checks that the vent hose and cap are clear. If either are plugged the gear oil expanding due to temp will be forced out the pinion or axle seals. Proper torque on the pinion nut after seal change is critical, too tight or too loose equally bad.
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