C 1500 Truck 2WD V6-4.3L VIN X (2003)
3. Rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting.
4. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
5. Ensure that the three retaining ring are seen from inside the fitting and that the retaining rings moves freely in the fitting slots.