Step by step instructions on how to check and add gear oil to an automotive differential.
This article pertains to all rear wheel vehicles.
Difficulty Scale: 3 of 10
Tools and Supplies needed
Appropriate 3/8 ratchet, socket or wrench
Protective eye wear and gloves
Start with the vehicle on level ground, safely lifted to access the differential
fill port, use jack stands to support the vehicle.
Step 1 - Locate the gear oil fill port on the differential housing or