GM Service Manual Online
For 1990-2009 cars only

When to Check Lubricant

Refer to the Maintenance Schedule to determine how often to check the lubricant. See Part A: Scheduled Maintenance Services and Part C: Periodic Maintenance Inspections .

How to Check Lubricant


Object Number: 829479  Size: B3

To get an accurate reading, the vehicle should be on a level surface.

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 Part D: Recommended Fluids and Lubricants .