Automatic Transmission Fluid; (4-Speed Transmission) - GMC 2010 Sierra Owner's Manual

5. Inspect or replace the engine air cleaner/filter.
6. Reinstall the cover and tighten the screws.
WARNING:
Operating the engine with the air cleaner/filter off
can cause you or others to be burned. The air
cleaner not only cleans the air; it helps to stop
flames if the engine backfires. Use caution when
working on the engine and do not drive with the
air cleaner/filter off.
6-24

Automatic Transmission Fluid

(4-Speed Transmission)

When to Check and Change Automatic
Transmission Fluid
A good time to check the automatic transmission fluid
level is when the engine oil is changed.
Change the fluid and filter at the intervals listed in
Scheduled Maintenance on page 7 3 and be sure to
use the transmission fluid listed in Recommended
Fluids and Lubricants on page 7 13.