How to Fill a Rear Differential?

Answer You may need to add fluid to your differential due to leaks or changing seals, or it may be time to change out the gear oil completely. Either way, it's just a few steps to fill the rear differenti... Read More »

Top Q&A For: How to Fill a Rear Differential

How to Fill a Rear Differential 2006 on the F-150?

In 1975, Ford released a new pickup truck to its lineup, the F-150. With this new pickup, Ford gave its customers a middle ground between its light-duty F-100 and its heavy-duty F-250. Customers em... Read More »

How full do you fill a rear differential?

On One Hand: Add Oil Until It Drains OutThe rear differential has a drain and fill plug that must be removed to add oil. It is recommended that gear oil is added to the differential until it begins... Read More »

How to Replace Rear Differential Fill Plug?

If your differential is leaking from the fill plug, or if the plug's square indentation is rounded out, you'll need to replace it. Whether you're buying a new plug or just reusing the old one after... Read More »

How to Fill the Differential in a 1999 Ford Explorer?

The 1999 Ford Explorer uses a differential system that allows the drive wheels to spin at different speeds. A differential is necessary for proper turning because one wheel moves less than the othe... Read More »