Oil Pump
WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. 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 the oil pump gears turning without binding.
- Replace the oil pump if there is any binding. Do not disassemble the oil pump. The oil pump is serviced as an assembly.