What kind of fluid do you put in my 1998 Chevy s-10 rear end?

A 1998 Chevy S-10 rear end typically uses 75W-90 gear oil. However, it's crucial to check your owner's manual to confirm the specific recommendation from Chevrolet. The type of oil (conventional, synthetic, synthetic blend) might also be specified. The manual will provide the most accurate information for your particular vehicle.