Oil Pump
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
- Remove the oil pump suction hose from the oil pump screen.
- Clean the hose and screen in cleaning solvent and air dry.
- If the screen is embedded with debris, replace the screen.
- Inspect the hose for cracking or tears.
- Replace the hose if it is faulty.
- 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.
- Inspect the wear clip on the oil pump.
- Replace the oil pump if the wear clip is missing or faulty.