What type of clutch fluid is required for a 1988 Chevy half ton truck?

A 1988 Chevy half-ton truck likely uses DOT 3 brake fluid for the clutch. While some vehicles use different fluids, DOT 3 is the most common for that year and model. However, always double-check your owner's manual to be absolutely certain. The manual will specify the exact type and specifications recommended by the manufacturer.