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:
- 2008-2012 Mazda 6 / Atenza
- 2009 Mazda Tribute
- 2010-2018 Mazda 3
- 2010-2018 Mazda 5
What you will need:
How to change engine oil Mazda 3 5 6 2.5L engine
Step 1: Raise Vehicle
Drive your Mazda over onto the ramps. Place the car in park and set the parking brakes.
Step 2: Remove engine splash shield
Remove the plastic shield under the engine of your Mazda. It is held in place with several 10 mm bolts.
Step 3: Locate oil drain plug
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.
Step 4: Drain Oil
Remove oil drain plug. Allow the old oil to drain.
Step 5: Replace drain plug washer
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.
Step 6: Install drain plug
Reinstall the drain plug on your Mazda.
Step 7: Locate engine oil filter Mazda 5
Find the motor filter on your Mazda. Use a filter wrench to remove the oil filter.
Step 8: Replace the oil filter
Remove the old oil filter. Install the new filter on your Mazda. Tighten it by hand.
Step 9: Locate oil filler cap
Locate the oil filler on your Mazda 5.
Step 10: Add engine oil
Add the recommended engine oil. Check the oil level after you add 8% of the capacity. Don't overfill engine with oil.