1994 GMC Jimmy Owner's Manual - Page 256

Hydraulic Clutch The hydraulic clutchin your vehicle is self-adjusting. A slight amount of play (1/4 inch to 1/2 inch) in the pedal is normal. When to Check and What to Use Refer to the Maintenance Schedule 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. How to check The proper fluid should be added if the does not reach the bottomof level the diaphragm when it's place in the reservoir.See the instructionson the in 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 See "Scheduled Maintenance Services" in it. the Index. 6-20