Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
6. Important: Do not manually depress the retaining clip when installing the plastic cap.
Snap the plastic cap onto the quick connect fitting.
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.
