2008 E-450 Differential identification
The owners manual says it could have either a limited slip OR a conventional axle. They use different fluids.
Forum Discussion
You should not normally need to ever replace the differential oil. Ford says its good for life, or every 150,000 for EMS use.
Do be sure to use full synthetic if you do have to replace it. Otherwise, you are suppose to change it every 5,000 using conventional.
Do be sure to use full synthetic if you do have to replace it. Otherwise, you are suppose to change it every 5,000 using conventional.
