Oil Pump
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2005 GMC Yukon XL, 2005 GMC Yukon, 2005 GMC Sierra, 2005 GMC Cab & Chassis Sierra, and 2005 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
- Clean the oil pump suction pipe, with the screen, in cleaning solvent and air dry. Do not remove the screen from the pipe.
- If the screen is embedded with debris, replace the suction pipe assembly.
- Inspect the oil pump for free movement.
- Replace the oil pump if there is any binding. Do not disassemble the oil pump. The oil pump is serviced as a unit.