Oil Pump Assembly: Disassembly
WARNING: This page does not describe the selected car, but rather 43 other vehicles, including the 2003 Pontiac Montana, 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Pontiac Aztek, and 2003 Oldsmobile Silhouette. However, it is still accessible from the selected car via links, so may be relevant.
Remove oil pump cover bolt and oil pump cover. Remove pump rotor, vane rings, vanes, oil seal ring and slide "O" ring seal. Remove outer and inner oil pump prime springs, slide seal and slide seal support. Remove slide pivot pin. Remove outlet screen. See Figure.