In this guide, you will learn how to replace the engine oil and oil filter on Mazda 2.5-liter DOHC 16-valve 4-cylinder with variable valve timing (VVT) engine.
This is known as the L-series engine and it is found on several models including:
Remove the plastic shield under the engine of your Mazda. It is held in place with several 10 mm bolts.
Here is a close-up picture of oil drain plug on a Mazda 2.5 liter engine. You will need a 17 mm wrench to remove it.
Remove oil drain plug. Allow the old oil to drain.
Replace the drain plug washer if you have one. If you don't you may get away without any oil leaks reusing the ld washer a couple of times. Reinstall the oil drain plug.
Reinstall the drain plug on your Mazda.
Find the motor filter on your Mazda. Use a filter wrench to remove the oil filter.
Remove the old oil filter. Install the new filter on your Mazda. Tighten it by hand.
Locate the oil filler on your Mazda 5.
Add the recommended engine oil. Check the oil level after you add 80% of the capacity. Don't overfill the engine with oil.