1995 Chevrolet Blazer Owner's Manual - Page 259

When to Checkand What to Use Refer to the Maintenance Schedule to determine how often you should check the fluid level in your clutchmaster cylinder reservoir and for the properfluid. P See "Owner Checks and Services" and "Recommended Fluids and Lubricants" in the Index. How to Check The proper fluid should be added if the leveldoes 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. How to Check Lubricant If the level is below the bottomof the filler plug hole, you'll need to add some lubricant. Add enough lubricant to raise the level to the bottom of the filler plug hole. 6- 19