Colorado 2WD L5-3.7L (2007)
5. Remove the oil drain pan from under the vehicle.
6. Lower the vehicle.
7. Fill the engine with new engine oil.
8. Start the engine.
9. Inspect for oil leaks after engine start up.
10. Turn off the engine and allow the oil a few minutes to drain back into the oil pan.
11. Remove the oil level indicator from the oil level indicator tube.
12. Clean off the indicator end of the oil level indicator with a clean paper towel or cloth.
13. Install the oil level indicator into the oil level indicator tube until the oil level indicator handle contacts the top of the oil level indicator tube.
14. Again, remove the oil level indicator from the oil level indicator tube keeping the tip of the oil level indicator down.
15. Check the level of the engine oil on the oil level indicator.
16. If necessary, adjust the oil level by adding or draining oil.
17. Check for oil leaks.
18. Install the oil fill cap.
