2005 Buick LeSabre Transmission Oil Cooler Hose

You should pull the plastic cap back from the quick connect fitting and down along the cooler line about 5 cm (2 inches), pull on one of the open ends of the retaining ring to rotate the retaining ring around the quick connect fitting until the retaining ring is out of position and can be completely removed, remove the retaining ring from the quick connect fitting, discard the retaining ring and pull the cooler line straight out from the quick connect fitting.

You should install a new retaining ring into the quick connect fitting, hook one of the open ends of the retaining ring in one of the slots in the quick connect fitting, rotate the retaining ring around the fitting until the retaining ring is positioned with all three ears through the three slots on the fitting, ensure that the three retaining ring ears are seen from inside the fitting and that the retaining ring moves freely in the fitting slots, install the cooler line into the quick connect fitting, insert the cooler line end into the quick connect fitting until a click is either heard or felt, pull back sharply on the cooler line in order to ensure that the cooler line is fastened into the quick connect fitting, position (snap) the plastic cap onto the fitting, ensure that the plastic cap is fully seated against the fitting, ensure that no gap is present between the cap and the fitting, ensure that the yellow identification band on the tube is hidden within the quick connect fitting and fill the transmission to the proper level with DEXRON(R)III transmission fluid.