1994 Chevrolet Blazer Owner's Manual - Page 256

Hydraulic Clutch The hydraulic clutch in your vehicleis self-adjusting. A slight amount of play (114 inch to 1/2 inch) in the pedal is normal. When to Check and What to Use A Refer to the Maintenance Schedule to determine how oftenyou 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. How to check The proper fluid should be addedif the level does not reach the bottom of the diaphragm when it's in place in the reservoir. See the instructions on the reservoir cap. Rear Axle When to Check and Change Lubricant Refer to the Maintenance Schedule to determine how often to check the lubricant and when to change it. See "Scheduled Maintenance Services" in the Index. 6-20