Front Differential Fluid Replacement
Remove the differential cover, clean all gears, and fill with appropriate fluid. Replace fluid every 30K miles.
Fluid cost to be determined by specific make and model.
INFORMATION
Most 4X4 trucks have a front differential. The fluid in the older trucks is 90W and has a very long life. However, late-model trucks use special fluids and require to change the fluid at 30K miles or shortly thereafter. Check your manufacturer’s recommendations.