C 1500 Truck 2WD V6-4.3L VIN W (2001)
10. Install the cooler lines to the vehicle.
11. Do not use the plastic cap on the cooler line in order to install the cooler line into the fitting.
12. Pull back sharply on the cooler fine in order to ensure that the cooler line is fastened into the quick connect fitting.
13. Position (snap) the plastic cap onto the fitting. Do not manually depress the retaining ring when installing the plastic cap onto the quick connect
fitting.
14. Ensure that the plastic cap is fully seated against the fitting.