1998 Chevrolet Camaro Owner's Manual - Page 284

How to Check The proper fluid should be added the level is below if the STEP mark on the reservoir.See the instructions on thereservoir cap. Limited-Slip Differential 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 MaintenanceServices" in the Index. To add lubricant when the level is low, useAxle Lubricant (GM Part No. 12345977). To completely refill after draining, add 4 ounces (118 ml) of Limited-Slip Differential Lubricant Additive(GMPart No. 1052358). Then fill to the bottom of the filler plug hole with Axle Lubricant (GMPart No. 12345977). Engine Coolant The cooling s stem in your vehicleis filled with DEX-COOL engine coolant. This coolant is designed to remain in your vehiclefor 5 years or 150,000 miles (240 000 k )whichever occursfirst, if you add only m DEX-COOL' extended life coolant. B How to Check Lubricant If the level is below the bottom of the filler plug hole, you'll need to add somelubricant. Add enoughlubricant to raise the level to the bottom of the filler plug hole. What to Use Standard Differential Use Axle Lubricant (GM Part No. 12345977) or S A E 80W-90 GL-5 gear lubricant. The following explains your cooling system and how to add coolant when it is low. If you have a problem with engine overheating or if you need to add coolant to your radiator,see "Engine Overheating"in the Index. 6-26