For 1974-1977 models (excluding axle codes 'B' and 'O') and 1978-1980 models (excluding 'B'), follow these steps, Raise the vehicle's rear and remove the wheel and brake drum. Take off the differential carrier cover, draining the oil. Remove the lock screw and pinion shaft. Push in the axleshaft's outer end, remove the C-ring, and carefully extract the axleshaft, avoiding oil seal damage. For reinstallation, reverse the steps, ensuring correct torque for the lock screw and cover bolts. Replace the cover gasket and refill with the appropriate lubricant.