K 1500 Yukon 4WD V8-5.3L VIN T (2000)
19. For vehicles with 4.3L- engines, install the cooling lines to the radiator.
20. For vehicles with 4.3L- engines and auxiliary cooling, install the cooling lines to the radiator.
21. For vehicles with 4.3L- engines and auxiliary cooling, install the oil cooling lines to the auxiliary oil cooler.