Elantra N - Engine Oil & Filter Change 🛢️

Nice choice doing this yourself — this is a perfect first DIY job.

Quick check: Are you working with basic hand tools (socket set, jack and jack stands, drain pan), and do you have a flat, safe place to work? If yes, you’re good to follow the steps below.

Parts & Fluids Needed 📦

• 🧴 Engine oil:
  • Spec: 0W-30, full synthetic, API SP or better (Hyundai recommends this for the N engine).
  • Capacity (with filter): ~5.3 qt (5.0 L) — start with ~4.8 qt, then top off.
• 🧰 Oil filter: Spin-on canister type, Hyundai N 2.0T specific.
• 🧰 Drain plug washer: New aluminum or crush washer for the oil pan drain bolt.

Tools Required 🔧

• 🛠️ Floor jack and jack stands
  • Floor jack = hydraulic jack that lifts the car.
  • Jack stands = supports that safely hold the car up.
• 🛠️ Wheel chocks (blocks behind wheels so the car can’t roll).
• 🛠️ Socket set:
  • Likely 17 mm socket for the drain plug (Hyundai common size).
  • 10 mm socket for undertray bolts (if equipped).
  • Ratchet and short extension.
• 🛠️ Torque wrench: Tool that lets you tighten bolts to a specific torque.
• 🛠️ Oil filter wrench: Cap-style or band-style that fits your filter.
• 🛠️ Drain pan: Large enough for at least 7 qt.
• 🛠️ Funnel for clean filling.
• 🛠️ Gloves and shop towels/rags.

Key Torque Specs 📏

• 🧷 Engine oil drain plug: ~25–30 lb-ft (34–41 N·m)
• 🧷 Oil filter: Hand-tight plus ~3/4 turn (or follow filter box spec, usually ~10–14 lb-ft)

Safety First ⚠️

• 🛑 Work on a flat surface, in Park, parking brake ON.
• 🛑 Never get under the car supported only by a jack — always use jack stands.
• 🛑 Oil will be hot if the engine is warm; keep hands clear of the initial stream.

Step 1 – Prepare the Car 🚗

• 🧰 Warm the engine slightly:
  • Start the engine and let it idle for 3–5 minutes, then shut it off. Warm oil drains faster.
• 🧰 Park and secure:
  • Shift to P, set the parking brake.
  • Place wheel chocks behind the rear wheels.
• 🧰 Open the hood and remove the oil filler cap on top of the engine.
  • This lets air in so oil drains more smoothly.

Step 2 – Lift the Front & Remove Undertray 🧱

• 🧰 Lift the front:
  • Use the front center jacking point (usually on the front subframe behind the front bumper).
  • Lift until you can place jack stands under the pinch welds (the reinforced seams under each front door).
  • Lower the car gently onto the stands and give the car a small shake to confirm stability.
• 🧰 Remove the engine undertray (splash shield), if equipped:
  • Use a 10 mm socket and/or Phillips screwdriver for bolts/clips.
  • Keep track of bolt locations; some may be different lengths.

Step 3 – Drain the Old Oil 🕳️

• 🧰 Locate the oil pan and drain plug:
  • The oil pan is at the bottom of the engine; the drain plug is a single bolt at the lowest point.
• 🧰 Position the drain pan under the plug, slightly toward the rear (oil shoots out at an angle at first).
• 🧰 Loosen the drain plug:
  • Use your 17 mm socket and ratchet to crack it loose.
  • Finish unscrewing by hand while pressing inward slightly until the last thread, then pull away quickly.
• 🧰 Let the oil drain completely:
  • Give it at least 5–10 minutes until it’s down to a slow drip.
• 🧰 Install new crush washer on the drain plug.
• 🧰 Reinstall the drain plug:
  • Thread it in by hand first to avoid cross-threading.
  • Tighten with a torque wrench to 25–30 lb-ft. Do not overtighten; the pan is aluminum.

Step 4 – Replace the Oil Filter 🧴

• 🧰 Locate the oil filter:
  • On the N 2.0T, it’s a spin-on filter accessible from below near the oil pan.
• 🧰 Move the drain pan under the filter (some oil will spill).
• 🧰 Remove the old filter:
  • Use your oil filter wrench to loosen it, then spin off by hand.
  • Check that the old rubber gasket is not stuck to the engine; if it is, peel it off.
• 🧰 Prep the new filter:
  • Put a thin film of fresh oil on the rubber gasket of the new filter. This helps it seal and come off next time.
  • If the filter is vertical, you can add a little oil inside to reduce dry start (optional).
• 🧰 Install the new filter:
  • Thread it on by hand until the gasket contacts the mounting surface.
  • Then tighten by hand an additional 3/4 turn (or follow the marking on the filter). No tools needed if you can get it snug.

Step 5 – Reinstall Undertray & Lower the Car 🔩

• 🧰 Clean up:
  • Wipe any spilled oil from the oil pan, drain plug, and filter area.
• 🧰 Reinstall the undertray:
  • Use the original bolts/clips; snug them firmly but don’t overtighten.
• 🧰 Lower the car:
  • Jack the car slightly, remove jack stands, then lower fully to the ground.

Step 6 – Fill with Fresh Oil 🧪

• 🧰 Add new oil:
  • Place a funnel in the oil filler opening on top of the engine.
  • Pour in about 4.8 qt (4.5 L) to start.
• 🧰 Reinstall the oil filler cap and make sure it’s snug.
• 🧰 Start the engine:
  • Let it idle for 30–60 seconds; watch for the oil pressure warning light to go out.
  • Check under the car for leaks at the drain plug and filter.
• 🧰 Shut off the engine and wait 3–5 minutes for oil to settle.
• 🧰 Check the dipstick:
  • Pull the dipstick, wipe it, reinsert fully, then pull again.
  • Oil level should be between LOW and FULL, ideally near FULL.
  • If low, add oil in small amounts (about 0.2–0.3 qt at a time) and recheck.

Step 7 – Reset the Service Interval in the Cluster 📱

• 🧰 On your Elantra N (digital cluster):
  • Turn ignition to ON (engine can be running or not).
  • Use the steering wheel buttons to go to the “User Settings” or “Setup” menu.
  • Navigate to “Service Interval”.
  • Select “Reset” or set the next interval (e.g., 5,000 mi or as you prefer).

Step 8 – Dispose of Old Oil Responsibly 🌍

• 🧰 Pour used oil into the empty oil containers or a sealed jug.
• 🧰 Take used oil and the old filter to an auto parts store or recycling center; most accept it for free.

Tips & Tricks 💡

• 🧰 Lay cardboard under the work area to catch drips.
• 🧰 Write the date and mileage on the filter or a note under the hood.
• 🧰 Always double-check the drain plug and filter for leaks after your first short drive.

HowToo makes it easy: below this answer you’ll see recommended oil, filters, crush washers, and tools that fit your Elantra N. You can add them to your cart right from the tools and parts section for fast 1–2 day shipping.

If you’d like, tell me what tools you already have and I can simplify this into a shorter “exact steps for your toolbox” version.