Oil Pump: Notes
WARNING: This page does not describe the selected car, but rather 55 other vehicles, including the 1999 Oldsmobile Bravada, 1999 GMC Yukon, 1999 GMC Suburban, 1999 GMC Sonoma, and 1999 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
On all except 7.4L, pick-up tube is serviceable; however, unless tube is damaged, DO NOT remove tube from pump body. On 7.4L, pick-up tube and pump are serviced as an assembly and must be replaced if oil pick-up tube and screen are damaged or loose.