🔧 Rogue - Ignition Coils Replacement

You’ll be removing the plastic engine cover, unplugging each ignition coil, unbolting it, and swapping in new ones. On your Rogue, the coils sit right on top of the engine, so access is straightforward.

Difficulty Level: Beginner | Estimated Time: 1–1.5 hours

---

⚠️ Safety & Precautions

• 🛑 Always work with the engine completely cool to avoid burns.
• 🧯 Disconnect the negative battery terminal to prevent short circuits or accidental cranking.
• 🧤 Keep metal tools away from the battery positive terminal to avoid sparks.
• 👓 Wear safety glasses; small plastic clips and dirt can fall into your eyes.
• 🔥 Do not smoke or use open flames near the engine bay.

---

🔧 Required Tools

You'll need the following tools for this repair:

• 🧰 10mm socket
• 🧰 3/8" drive ratchet
• 🧰 3/8" drive extension (6")
• 🧰 1/4" drive ratchet
• 🧰 1/4" drive extension (3–6")
• 🧰 Torque wrench (5–30 Nm / 50–250 in-lbs)
• 🧰 Flathead screwdriver (small)
• 🧰 Trim clip removal tool (specialty)
• 🧰 Pick tool (hook style) (specialty)
• 🧰 Mechanic’s gloves
• 🧰 Safety glasses
• 🧰 Shop rags
• 🧰 Small flashlight

---

🔩 Required Parts

HowToo sells all the parts you need for this repair:

• 🧩 Ignition coil (QR25 2.5L) - Qty: 4 (Recommended: replace all four)
• 🧩 Dielectric grease (for electrical connectors) - Qty: 1 tube
• 🧩 Throttle body/intake cleaner spray - Qty: 1 (optional, for light cleaning)
• 🧩 Shop towels - Qty: 1 pack

---

📋 Before You Begin

• 🚗 Park the Rogue on level ground, shift to Park, and set the parking brake.
• 🔌 Turn the ignition OFF and remove the key or turn off the start button completely.
• 🔋 Disconnect the negative battery terminal using a 10mm socket and move the cable aside so it cannot spring back.
• 🧊 Let the engine cool fully if it has been running; coils sit on a hot cylinder head.

---

🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the plastic engine cover

• Open the hood and secure it with the prop rod.
• Use your hands to pull up gently on the front edge of the plastic engine cover; it is held by rubber grommets (no bolts).
• If it feels stuck, use a trim clip removal tool under one corner to carefully pry up. Pull straight up, not sideways.
• Lift the cover off and set it aside somewhere clean.

Step 2: Locate the ignition coils

• The ignition coils are the four black plastic units bolted to the top of the engine (valve cover), each with an electrical connector and a single small bolt.
• On your Rogue, they run in a row from the front of the engine toward the firewall.
• Work on one coil at a time to avoid mix-ups.

Step 3: Disconnect the first ignition coil connector

• A connector is the plastic plug where the wiring harness attaches to the coil.
• Use a small flathead screwdriver or pick tool to gently lift the locking tab on the connector while pulling the connector straight back with your other hand.
• Do not force it; wiggle slightly while pressing the tab. Press tab fully before pulling.
• Inspect the connector for corrosion or damage, and set it gently aside.

Step 4: Remove the ignition coil hold-down bolt

• Use a 10mm socket with a 3/8" ratchet (or 1/4" ratchet) to remove the small bolt that holds the coil to the valve cover.
• Turn counterclockwise until the bolt is free, then remove it by hand and place it somewhere safe where it won’t fall into the engine bay.
• Keep each bolt with its coil so nothing gets lost.

Step 5: Remove the ignition coil from the spark plug well

• Grip the top of the coil with your hand and gently twist it left and right to break any light seal.
• Pull the coil straight up out of the spark plug well.
• If it feels stuck, twist a bit more, but do not use metal tools to pry on the coil body to avoid cracking it.
• Once removed, check for oil or water on the coil or in the well; if present, note it as it could indicate another issue (like a leaking valve cover gasket).

Step 6: Inspect spark plug area (optional but recommended)

• Use a flashlight to look down into the spark plug well.
• Check that the spark plug is seated and that there is no debris or oil around it.
• Do not drop anything into the well; keep the area clean.

Step 7: Prepare the new ignition coil

• Compare the old coil and new coil side by side to confirm they match in length, connector shape, and mounting point.
• Apply a tiny smear of dielectric grease inside the rubber boot at the end of the new coil (the end that goes over the spark plug). This helps prevent moisture and makes future removal easier.
• Use very little grease; a thin film is enough.

Step 8: Install the new ignition coil

• Carefully insert the new coil into the spark plug well, aligning the boot straight down onto the spark plug.
• Press straight down until you feel it seat firmly on the plug.
• Align the bolt hole in the coil with the threaded hole in the valve cover.

Step 9: Install and torque the coil bolt

• Start the coil bolt by hand to avoid cross-threading.
• Use a 10mm socket and ratchet to snug the bolt down lightly.
• Then use a torque wrench (5–30 Nm range) with the 10mm socket to tighten the bolt to 9.8 Nm (87 in-lbs, about 7.2 ft-lbs).
• Do not overtighten; the threads are in aluminum.

Step 10: Reconnect the coil electrical connector

• Plug the electrical connector back onto the coil until you feel or hear a click from the locking tab.
• Lightly tug on the connector to make sure it is fully seated and locked.
• If desired, you can apply a very small amount of dielectric grease to the seal area of the connector (not on the metal pins).

Step 11: Repeat for the remaining coils

• Repeat Steps 3–10 for each of the remaining three coils, doing them one at a time.
• Always fully finish one coil before starting the next so no connectors get mixed up.
• Visually verify that all four coils are bolted down and all four connectors are clicked in.

Step 12: Reinstall the engine cover

• Position the plastic engine cover over the engine, aligning the rubber grommets with the mounting pegs.
• Press down firmly at each corner and center until the cover snaps into place.

Step 13: Reconnect the battery

• Reattach the negative battery cable to the battery post.
• Use a 10mm socket and ratchet to tighten the terminal nut until it is snug; do not overtighten.
• Make sure the terminal cannot move by hand.

---

✅ After Repair

• 🧪 Start the engine and let it idle. It should run smoothly without misfires, shaking, or a flashing check engine light.
• 🧭 Take a short test drive (5–10 minutes), checking for smooth acceleration and no hesitation.
• 💡 If the check engine light was on before, it may clear on its own after several drive cycles; if not, a scan tool can clear stored codes.
• 👂 Listen for unusual sounds around the coil area (crackling or arcing); if you hear any, shut off the engine and recheck coil connections.

---

💰 DIY vs Shop Cost

Shop Cost: $350–$600 (parts + labor)

DIY Cost: $160–$320 (parts only, for 4 coils)

You Save: $190–$280 by doing it yourself!

Shop labor rates vary but typically run $100–$150/hour. This repair takes a shop approximately 0.8–1.0 hours.

---

🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections above to add everything to your cart.