Chevrolet 1994 Blazer Owner's Manual page 257

How to Check Lubricant
If the level is below
the bottom of 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.
What to Use
Refer to the Maintenance Schedule to determine what kind of lubricant to
use. See "Recommended Fluids and Lubricants" in the Index.
Four-Wheel Drive
Most lubricant checks in this section also apply to four-wheel-drive
vehicles. However, they have two additional systems that need lubrication.
TrariSfer Case
When to Check Lubricant
Refer to the Maintenance Schedule to determine how often to check the
lubricant. See "Periodic Maintenance Inspections" in the Index.
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