1996 Chevrolet Corvette Owner's Manual - Page 254

When to Check and What to Use How To Check and Add Fluid The clutch master cylinder is under the Powertrain Control Module (PCM) in the left rear area of the engine compartment. To check the fluid, look at the area between PCM the and the battery. To add fluid, remove the PCM unit. I 1 Refer to the MaintenanceSchedule to determine how often you should check the fluid level in your clutch master cylinder reservoir and for the proper fluid. See "Owner Checks and Services" and "Recommended Fluids and Lubricants" in the Index. You must loosen andremove the two screws before the PCM unit will lift out. 6-23