Auxiliary Oil Cooler: Removal
WARNING: This page does not describe the selected car, but rather 13 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, and 2002 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
Remove the grille assembly. Remove the nuts securing the 2 cooler lines to the oil cooler. Remove the 4 bolts securing the auxiliary oil cooler to the radiator support. Remove the auxiliary oil cooler. See Figure.