OEM 2003 Ford E-250 Differential Cover

2003 Ford E-250 Differential Cover Parts Questions & Experts Answers

• Q: How to service and repair the 9.75-inch ring gear differential cover on 2003 Ford E-250?

  A: The service and repair process of Ford 9.75-inch ring gear differential housing cover begins with vehicle lift and support. First collect excess lubricant in a clean receptacle before you untighten the 12 bolts of the differential housing cover and remove it. The cleaning process must include complete removal of oil from machined surfaces on both components. Additionally, oven during cleaning to safeguard against rear axle contamination. After cleaning the mating areas of both the rear axle and differential housing cover apply Silicone Rubber D6AZ-19562-AA or an equivalent which fulfills Ford specifications ESB-M4G92-A and ESE-M4G195-A in a continuous bead. The silicone application will require immediate installation of the differential housing cover following 15 minutes or the silicone application will need new application before installation. The curing process of silicone sealant requires at least one hour vacuum time before lubricant addition. Attach the differential housing cover and fasten its bolts. Replenish the rear axle of Traction-Lok units with 118 ml (4 ounces) of Ford Additive Friction Modifier C8AZ-19B546-A or a brand meeting Ford specification EST-M2C118-A. Follow the addition with SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or a counterpart approved under Ford specification WSL-M2C192-A then secure the filler plug and conduct the vehicle lowering process.