2016–2021 Hyundai Tucson
Save $135 by doing it yourself! Shop cost: $180
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| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| Spark plugs (correct heat range) | — | $35.00 | |
| Dielectric grease | — | $6.00 |
💡 Pro tip: Order all parts at once to save on shipping
Follow these steps carefully
Park the 2016-2021 Hyundai Tucson on level ground and wait until the engine is cool to the touch. Confirm plug type/heat range for your engine. Informational DIY — EZ Car Fix is not a shop.
Remove any engine cover. Disconnect each coil electrical connector, remove the coil hold-down bolt, and pull the coil straight up. Label coils by cylinder.
Use a spark plug socket and extension to back out the old plug. Inspect the tip for oil, ash, or unusual wear. Blow out the well before installing the new plug if debris is present.
Verify gap against the manual. Thread the new plug in by hand first to avoid cross-threading, then torque to ~13 ft-lbs / 18 Nm (confirm in your vehicle manual). A light coat of dielectric grease on the coil boot helps sealing.
Refit each coil, tighten the hold-down bolt, and reconnect the connector. Repeat for remaining cylinders. Start the engine and confirm a smooth idle with no misfire codes.
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
2016–2021
2010–2015
2016–2021
2010–2015
2010–2015
2016–2021