GM Service Manual Online
For 1990-2009 cars only

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 Part C: Periodic Maintenance Inspections and Part A: Scheduled Maintenance Services .

How to Check Lubricant


Object Number: 810095  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.

  1. Remove the filler plug.
  2. Remove the drain plug, drain the lubricant and reinstall the drain plug.
  3. Add enough lubricant to raise the level to the bottom of the filler plug hole.
  4. Reinstall the filler plug.

What to Use

Refer to the Maintenance Schedule to determine what kind of lubricant to use. See Part D: Recommended Fluids and Lubricants .