To change an oil pump, drain the oil pan and remove it to access the pump for replacing. You need a jack, jack stands, a set of mechanic's tools, a bucket, a gasket scraper, a rag and a new oil pan gasket.
- Park the car
Park the car on a flat surface.
- Lift one side of the front end of the car
Place a jack underneath one side of the front end of the vehicle. Lift the vehicle, and secure a jack stand underneath the axle.
- Lift the other side
Use the same technique to lift the other side of the front end.
- Position the bucket
Position a bucket underneath the oil pan drain plug.
- Remove the drain plug
Remove all components covering the drain plug, and then remove the plug.
- Allow the oil pan to drain
Allow the oil to drain into the bucket, and then reinstall the plug.
- Remove the oil pan
Loosen the bolts that secure the oil pan, and then remove the oil pan altogether.
- Remove the oil pan gasket, and clean the mounting rim
Use a gasket scraper to remove the oil pan gasket, and then use a rag with the scraper to clean the mounting rim.
- Remove the old oil pump
Remove the bolts that secure the oil pump. Detach the pickup tube and filter connected to the pump.
- Install the new pump
Position the new pump, and attach the tube and filter to it. Tighten the bolts to secure the pump.
- Reinstall the oil pan
Install the new oil pan gasket, and then reinstall the oil pan.
- Add new oil
Add new oil to the vehicle.
- Check for leaks
Start the engine, and allow it to run to check for leaks.