How to Change Engine Oil and Filter on a 2019-2025 Mazda CX-5 2.5L (Engine: Inline 4 2.5L)
Step-by-step DIY oil change guide with tools, 5W-30 oil capacity, torque specs, and reset steps for 2019, 2020, 2021, 2022, 2023, 2024, 2025
How to Change Engine Oil and Filter on a 2019-2025 Mazda CX-5 2.5L (Engine: Inline 4 2.5L)
Step-by-step DIY oil change guide with tools, 5W-30 oil capacity, torque specs, and reset steps for 2019, 2020, 2021, 2022, 2023, 2024, 2025
🔧 CX-5 - Engine Oil & Oil Filter Replacement
This repair drains the old engine oil, replaces the oil filter, and refills your CX-5 with fresh oil. Clean oil protects the turbocharged 2.5L engine from wear, heat, and sludge buildup.
Difficulty Level: Beginner | Estimated Time: 45-75 minutes
⚠️ Safety & Precautions
- ⚠️ Engine oil can be very hot. Let the engine cool for 10-20 minutes before draining.
- ⚠️ Never work under your CX-5 supported only by a jack. Always use jack stands.
- ⚠️ Wear safety glasses and gloves to protect from hot oil and splashes.
- ⚠️ Keep used oil off your skin and dispose of it at a proper recycling location.
- ⚠️ Battery disconnect is not required for this repair.
🔧 Required Tools
You'll need the following tools for this repair:
- 8mm socket
- 17mm socket
- 3/8-inch drive ratchet
- 3/8-inch drive torque wrench
- Oil filter wrench 65mm 14-flute
- Drain pan 8-quart minimum
- Floor jack rated 3-ton minimum
- Jack stands rated 3-ton minimum
- Wheel chocks
- Funnel
- Shop towels
- Nitrile gloves
- Safety glasses
🔩 Required Parts
HowToo sells all the parts you need for this repair:
- Engine oil 5W-30 full synthetic - Qty: 5.1 quarts
- Spin-on engine oil filter - Qty: 1
- Engine oil drain plug crush washer - Qty: 1
📋 Before You Begin
- 🅿️ Park your CX-5 on level ground and set the parking brake.
- 🛞 Place wheel chocks behind the rear wheels.
- 🌡️ Warm the engine for 2-3 minutes, then shut it off. Warm oil drains faster.
- 🧰 A torque wrench tightens bolts to an exact tightness so parts are secure without being damaged.
- ♻️ Have a sealed container ready for used oil recycling.
🔨 Step-by-Step Instructions
Follow these steps in order:
Step 1: Raise and Support the Front
- Use wheel chocks behind the rear tires.
- Use a floor jack rated 3-ton minimum at the front center jacking point to raise the front of your CX-5.
- Place jack stands rated 3-ton minimum under the proper front support points.
- Gently lower the vehicle onto the jack stands and give the vehicle a light shake to confirm it is stable.
- Never crawl under a jack-only vehicle.
Step 2: Remove the Lower Engine Cover Access Panel
- Put on safety glasses and nitrile gloves.
- Use an 8mm socket and 3/8-inch drive ratchet to remove the fasteners from the oil service access panel under the engine.
- Move the panel aside and keep the fasteners together.
Step 3: Remove the Oil Filler Cap
- Open the hood.
- Remove the engine oil filler cap by hand.
- This helps the oil drain smoothly from the engine.
- Pull the dipstick slightly upward by hand to let air enter the crankcase.
Step 4: Drain the Old Engine Oil
- Position the drain pan 8-quart minimum under the oil drain plug.
- Use a 17mm socket and 3/8-inch drive ratchet to loosen the drain plug counterclockwise.
- Remove the plug carefully by hand and let the oil drain completely.
- Wait until the oil flow slows to a drip.
- Keep your hand away from hot oil.
Step 5: Replace the Drain Plug Washer
- Use shop towels to wipe the drain plug clean.
- Remove the old crush washer by hand.
- Install the new engine oil drain plug crush washer by hand.
- A crush washer is a soft sealing washer that compresses to help prevent leaks.
Step 6: Reinstall the Oil Drain Plug
- Thread the drain plug into the oil pan by hand first to avoid cross-threading.
- Use a 17mm socket and 3/8-inch drive torque wrench to tighten the drain plug.
- Torque to 30 Nm (22 ft-lbs).
- Wipe the area clean with shop towels.
Step 7: Remove the Old Oil Filter
- Move the drain pan 8-quart minimum under the oil filter.
- Use the oil filter wrench 65mm 14-flute and 3/8-inch drive ratchet to loosen the oil filter counterclockwise.
- Unscrew the filter by hand and keep it upright to reduce spills.
- Check that the old rubber gasket came off with the filter.
- Double gaskets cause major oil leaks.
Step 8: Install the New Oil Filter
- Use a clean finger with fresh 5W-30 full synthetic engine oil to lightly coat the rubber gasket on the new oil filter.
- Thread the new spin-on engine oil filter onto the engine by hand.
- Tighten until the gasket contacts the mounting surface, then tighten about 3/4 turn more by hand.
- If using a 3/8-inch drive torque wrench with the oil filter wrench 65mm 14-flute, Torque to 14 Nm (10 ft-lbs).
- Wipe around the filter with shop towels.
Step 9: Reinstall the Lower Engine Cover Access Panel
- Place the access panel back into position.
- Use an 8mm socket and 3/8-inch drive ratchet to reinstall the fasteners snugly.
- Do not overtighten the small cover fasteners.
Step 10: Refill the Engine Oil
- Place a funnel into the oil filler opening.
- Pour in about 4.8 quarts of 5W-30 full synthetic engine oil first.
- Reinstall the oil filler cap by hand.
- Push the dipstick fully back in by hand.
Step 11: Start the Engine and Check for Leaks
- Make sure all tools are clear of the engine bay.
- Start the engine and let it idle for 30-60 seconds.
- Turn the engine off.
- Use safety glasses and inspect the drain plug and oil filter area for leaks.
- Use shop towels to wipe any spilled oil so new leaks are easy to spot.
Step 12: Lower the Vehicle and Set Final Oil Level
- Use the floor jack rated 3-ton minimum to raise the front slightly off the jack stands.
- Remove the jack stands rated 3-ton minimum.
- Lower your CX-5 to level ground.
- Wait 5 minutes for oil to settle.
- Pull the dipstick, wipe it with shop towels, reinsert it fully, then pull it again to check the level.
- Add oil through the funnel in small amounts until the level is near the full mark.
- Total refill is approximately 5.1 quarts with filter replacement.
Step 13: Reset the Maintenance Reminder
- Turn the ignition on without starting the engine.
- Use the center display controller to select Applications > Vehicle Status Monitor > Maintenance > Oil Change > Reset.
- If your screen shows Scheduled Maintenance instead, select Applications > Vehicle Status Monitor > Maintenance > Scheduled > Reset.
- Turn the ignition off when finished.
✅ After Repair
- ✅ Start the engine again and confirm the oil pressure warning light turns off within a few seconds.
- ✅ Take a short 5-minute drive, then park on level ground and recheck the oil level.
- ✅ Look under your CX-5 for drips at the drain plug and oil filter.
- ✅ Recycle the used oil and filter at an approved oil collection center.
- ✅ Check the oil level again the next day to confirm it stayed full.
💰 DIY vs Shop Cost
Shop Cost: $90-$160 (parts + labor)
DIY Cost: $45-$85 (parts only)
You Save: $45-$75 by doing it yourself!
Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 0.4-0.7 hours.
🎯 Ready to get started?
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