Yukon XL 2500 2WD V8-6.0L VIN N (2006)
6. Snap the plastic cap onto the quick connect fitting.
Important: Do not manually depress the retaining clip when installing the plastic cap.
7. Ensure that the plastic cap is fully seated against the fitting.
8. Ensure that no gap is present between the cap and the fitting.
9. Inspect and fill the engine oil to the proper level.
