Review on Axle HSG Cover Differential Seal Replacement Parts by Charles Butler

High-quality seal you can rely on. My formula is to lightly coat both sides of the gasket with black RTV after cleaning both metal surfaces well. Allow the RTV to dry on a pad for 10 minutes above 70 degrees and 15 minutes below. Then install a coated gasket on the differential cover bolt. and fill with gear oil of your choice. Tighten them to the recommended torque and you won't have a leakage problem for the next 20 years. I would check your filler plug before removing the cap and draining the old fluid as they can stop working after a while due to years of heat cycling and corrosion and you don't want to find this with a blank diff.