How to change the oil to a Ford 4.0 SOHC

It is advisable to change the oil and filter in your car every 3,000 to 5,000 miles (4828.03 to 8046.72 km), to remove any contaminants in the engine and keep it running smoothly. If Ford 4.0l SOHC engine found in many Ford Explorers, this is especially important, because the engine does not have a good record of reliability. In this case, the vehicle used is a 2002 Ford Explorer; however, the process is similar for other Ford vehicles equipped with the 4.0L SOHC engine.

  1. Lift the front of the vehicle using the jack and place it in the supports. Make sure the vehicle remains firmly under the crawl before.
  2. Place the drain pan under the engine oil pan and drain plug located. Unscrew the plug using the ratchet 3/8-inch (0.08 m) and tubes, allow the oil to drain into the tray. Once the oil has been drained from the engine, placed drain plug using the ratchet.
  3. Move the drain pan under the oil filter and use the oil filter wrench to remove the engine oil. The engine oil spilled at this point, so make sure to be careful as you lower the filter. Place your mouth filter down to within the oil to drain into the tray too.
  4. Open the container and filter replacement filter filled with all the 5W-30 oil that will contain. Enter your finger in the oil and move it around the rubber seal on the outside of the filter –this solid– create a seal. Then install the oil filter on the engine, squeezing your hand, without using tools.
  5. Lower the vehicle to the ground using the jack. Pop the hood and flip open the oil valve cover, using your hand. Pour remaining five liters of oil in the engine, reinstall the oil plug. Start the engine and let it run for five minutes to circulate the oil.

Tips & Warnings

  • No problem if you change the oil when the engine is hot, this allows the oil to flow more easily. If you do this, be sure to use protective arms, eyes and hands to avoid burns.