K 1500 Suburban 4WD V8-6.5L DSL Turbo VIN F (1999)
5. Do not install the new retaining ring onto the fitting by pushing the retaining ring.
6. Ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots.
7. Install the new retaining ring (E-clip) into the remaining quick connect fittings.
8. Install the cooler lines to the vehicle.