1998 Pontiac Firebird Owner's Manual - Page 279

How to Add Fluid Here's how to addfluid. Referto the Maintenance Schedule to determine what kind of fluid to use. See "Recommended Fluids and Lubricants" in the Index. When to Check and Whatto Use 1. Remove the filler plug. 2. Add fluid atthe filler plug hole. Add only enough fluid to bring the fluid level to the bottomof the up filler plughole. 3. Install the filler plug. Be sure the plug is fully seated. Hydraulic Clutch The hydraulic clutch linkage your vehicleis in 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 should won't correct leak. often you a A fluid lossin this system could indicate a problem. and Have the system inspected repaired. Refer to the Maintenance Schedule to determine how checkfluid the level in your clutch master cylinder reservoir and the proper fluid. See for "Owner Checks and Services'' and "Recommended Fluids and Lubricants" the Index. in 6-26