1994 Chevrolet Corvette Owner's Manual - Page 188

2. Add fluid at the filler plug hole. Add only enough fluid to bring the fluid level up to the bottomof the filler plug hole. 3. Install the filler plug. Be sure the plug is fully seated. See "Owner Checks and Services'' and "Recommended Fluids and Lubricants" in the Index. How to Check and Add Fluid The clutch master cylinderis under the Engine Control Module(ECM) in the left rear area of the engine compartment. To check the fluid, look at the area between the ECM and the battery. To add fluid, remove the ECM unit. Hydraulic Clutch The clutch linkage in your vehicle is self-adjusting. The clutch master cylinder reservoir is filled with hydraulic clutch fluid. It isn't a good idea to "top off' your clutch fluid. Adding fluid won't correct a leak. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. When to Check and Whatto Use Refer to the Maintenance Schedule to determine how often you should check the fluid levelin your clutch master cylinder reservoir andfor the proper fluid. 187 ...