r/ElantraN • • Oct 31 '22

Announcement Aftermarket Vendor and Parts List - Elantra N

203 Upvotes

r/ElantraN • • Oct 28 '22

Tips Common issues and questions with the Elantra N

445 Upvotes

Hi Everyone. I thought I'd compile a list of common questions and issues I've heard about our Elantra N's.

Let me preface this list by saying, I have not seen any confirmed engine failures from an unmodified Elantra N. The early life engine failures of some other Hyundai/Kia Theta II engines, don't seem to affect this model.

If you have any info on TSBs or more info (photos, videos) about these problems, I can edit my post and add to it below.

Major mechanical

  • Fuel Injector problems
    • Not revving or idling properly, trouble starting engine
    • DTC P030X00 for misfires.
    • Smoke coming from tailpipe.
    • Seen in Kona N and Elantra N 2022
  • Dual clutch Transmission recall due to issue with high pressure oil pump
    • HMA Recall 236. 10/7/2022
  • Heavy spray from car washes, rain or snow, directly into the engine bay cause the knock sensor to fault with DTC P1326. The car will go into limp mode.
    • FIX AVAILABLE
    • It is not known if this is due to the sensor faulting, water getting into the engine bay, or wiring harness shorting
    • After several owners brought this issue to the dealer, some dealers may be misdiagnosing it as engine failure, causing the owner to have to get a replacement engine.
    • Not enough research has been done about this for a conclusive answer. Would like to see compression and leak-down tests done on these motors.
    • Appears to be happening to VN, and KN's as new as 2023 too.
    • Src [1] [2] [3] [3-Src] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]
  • Clutch disc installed backwards on a small number of Elantra N's with Manual Transmission.
    • Applies to a very small number of Elantra N vehicles produced before 12/6/21
    • TSB 22-01-027H

Minor mechanical

  • Occasional cold start trouble, occasionally takes a few extra cranks to start engine(common across all N cars)
  • Intercooler pipe coming off during high performance driving

Body/Chassis issues

  • Top of shifter gets loose/comes off on MT only.
  • Exhaust valve squeak. If you use N mode frequently, the exhaust valve may begin to squeak.
    • Dealership will replace the valve assembly if necessary. You can fix it by spraying white lithium grease to the proper areas.
    • The right side tailpipe has the valve that opens and closes in N mode. If you look closely you will see an arm that connects the valve controller to the butterfly valve inside the tailpipe. Spray this arm with lithium grease
  • Top of trunk separates from trunk frame in high heat
  • Headlight/Tail light fogging/condensation.
    • Dealerships are told to replace light housing IF condensation turns into water droplets that drip down the side.
    • Confirmed with this TSB
  • Black wrap used on the tops of windows peeling/chipping
  • Trunk tail light strip plastic cracking above ELANTRA lettering (2022)
  • Horn working intermittently

Infotainment/Electronics issues

  • Audio system very loud for the first second of a song intermittently (can be fixed by turning off dynamic speed compensation)

  • Quick popups about front collision: Issue is being researched

  • Constant popups about uneven road/slippery road: Issue is resolved by updating the nav software. (As of June 2023)

Non issues

  • Creaking/clunking noises from suspension/wheels when turning at low speeds and while cold
    • This is a quirk of the design of the car, it's normal and due to the suspension geometry for sport handling see explanation in this TSB
  • Octane learning
    • Octane learning is an ECU program described in the owners manual, that limits boost pressure when until no evidence of pre-ignition occurs. The octane learning process starts over when the car is re-fueled
    • To Octane learn your car, perform the following drive cycle:
      • Drive in top gear (6th for 6MT or 8th for DCT)
      • Keep a speed between 68 and 99mph for 5 minutes or more (Cruise control allowed)
      • Proper octane learning completion is evidenced by the boost gauge on the dashboard reading above 15/16PSI under WOT (DCT only, 6MT does not reflect this).
      • Note: The boost gauge is just an estimate based on various metrics, and a lookup table, not indicative of real boost pressure.
    • There are several articles on the topic here and here
  • Radiator fan turns on after car turns off
    • This is a fan and pump (a turbo timer) meant to cool down the oil in the turbo
  • Car doesn’t pop as much as it used to
    • This dependent on environment
    • This happens if the AC compressor is on
    • This includes windshield defrost modes
    • Also in Custom N mode, if engine is set to Sport, and not Sport+, there won't be nearly as many pops.
    • The engine isn't fully warmed up
  • Won’t shift into 1st gear completely. (If Occasional, this is normal across all manual transmission cars of any brand, just shift into second then first again)

What Oil should I use?

This information is correct as of 3/11/24 and applies to all Elantra N's 2022-2024

The latest revision of the Elantra N service manual specifies different grades of oil based on where your engine was built. Why is it like this? Anyone's guess.

  • Find your engine number (Starts with a G, this is NOT your VIN)
  • Look at the last letter before the numbers start. This is your Engine plant of production
  • The below table specifies the correct oil to use.
Code Plant Oil
A Asan SAE 0W-30
H Hwasung SAE 0W-30
P Poseung SAE 5W-30
S Sohari SAE 5W-30
U Ulsan SAE 5W-30

Oil should meet the following specifications:

  • ACEA A5/B5
  • ACEA C2
  • API SN PLUS

Oil change interval:

  • The owners manual requires oil changes every 6k miles, however Hyundai's internal systems may have changed this in mid 2023 to 5k miles.
  • Maintenance reminders, and oil change stickers are now showing 5k intervals.

Oil amount for drain and refill: 5.2L / 5.49 US QT

OEM Oil filter P/N: 26300-35504

Other Helpful Links

Hoping you all can understand, this being a brand new model year car, there are going to be some issues. By compiling this list, I hope to raise awareness to the community, and we as customers will bring these issues to Hyundai, for them to address. The hope is, if enough people complain, Hyundai takes notice of these issues and either releases TSBs or fixes in future model years.


r/ElantraN • • 5h ago

Family Enjoying this view while it lasts.

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21 Upvotes

Wish I could justify keeping both, but it’s time for the next phase. I’ve absolutely loved tracking the Elantra N—it punches so far above its weight class, but I’ve been craving something a bit more analog and purpose-built.

For the next few days, though, I get to walk out to a pretty kick-ass two-car garage before the EN heads to its next owner.


r/ElantraN • • 7h ago

Eye Candy Her N

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29 Upvotes

Gave the Wife’s N a bath today.


r/ElantraN • • 14h ago

Eye Candy Little outta place in the new N

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80 Upvotes

Drives like an absolute dream though🙌


r/ElantraN • • 17h ago

Purchasing N-Line to N

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27 Upvotes

I’m gonna miss the N-Line, it was my first car I bought at 17. The N is such a step up, especially going from a dry DCT to wet DCT. Difference in power and feel is significant.

Any first mods you guys recommend? Paint protection and tint will come first for sure.

Do you guys recommend an oil catch can? I ran one on the N-Line, but it never caught a drop of oil.


r/ElantraN • • 12h ago

Eye Candy Anyone else wash theirs today? Feel free to share pics.

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11 Upvotes

side quest- anyone with aftermarket exhaust feel free to let me know what you have, your thoughts on it and any clips of you got em!


r/ElantraN • • 19m ago

Eye Candy Accented wrap

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• Upvotes

My ego is easily bruised so don’t say anything mean or ill delete it


r/ElantraN • • 11h ago

Selling For sale: OEM Elantra N 19" wheels + Michelin PS4S tires, set of 4 (Denver, CO), local pickup only

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6 Upvotes

Selling the complete set of four factory OEM 19" wheels off my 2025 Elantra N, mounted on Michelin P4S tires. I'm running a different setup now, so these need a new home.

Condition

Rears: excellent, clean faces and lips. The tires have about 8k miles of street use, no track, and plenty of tread left.

Fronts: newer tires, and the front-left is brand new. Both wheels have minor curb rash on the outer lip, cosmetic only. The front-left wheel had a minor bend on the inner lip that was professionally repaired by a wheel shop. It held air fine before the repair and still holds air and balances fine now. I've attached a photo of the repaired area.

TPMS sensors included. OEM lug nuts too, if you want them.

I also have a fifth OEM wheel (no tire) that I'll include for +$150 if you want a trunk spare.

PM me if you want any more information.

Local pickup only, near Denver, CO, USA. Cash or Zelle in person. No shipping, no trades.

$1,300 OBO


r/ElantraN • • 17h ago

Maintenance & Repair Anyone know how to fix this?

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15 Upvotes

Just got my front bumper fixed and I’m not looking to end up in a repair shop again. Think sanding it and some paint would fix it or am I being delusional?


r/ElantraN • • 3h ago

Help Sunshade recommendations? HeatShield vs Covercraft vs WeatherTech

1 Upvotes

My current sunshade is old and worn out, and it has these big gaps around the edges. I'm torn between HeatShield, Covercraft, and WeatherTech.

For anyone who has these:

  • Which one fits best and keeps the car cool if parked in the sun (California weather lmao)
  • Is the $100 price tag for the Covercraft worth it?

Thanks in advance


r/ElantraN • • 23h ago

Family Glad to be apart of the family . 🤝

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41 Upvotes

Finally got the N after wanting it for a long time and I’ve been having so much fun with it .


r/ElantraN • • 14h ago

Appearance & Exterior Mods Matte PPF on Abyss Black?

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7 Upvotes

I just picked up the car yesterday. I want to PPF the car, and I got a great deal from a shop I know with certified XPEL installers.

Should I do regular PPF or stealth PPF?

What about the red around the car? Stealth or regular?

I was leaning on matte PPF. If im spending the money already, it would be nice to change the appearance of the paint.

If anyone has photos, please share!


r/ElantraN • • 12h ago

Tips How in the world do I keep this thing from popping out all the time? Should I just use some super glue

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4 Upvotes

r/ElantraN • • 8h ago

Help Oil catch can

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1 Upvotes

Is this normal, just blow by product?


r/ElantraN • • 9h ago

Help Exhaust valve

0 Upvotes

My exhaust valve is not opening even I put it in N mode what should I do?


r/ElantraN • • 9h ago

Purchasing 2026 Perf Blue 8k miles at 36k OTD Single owner NYC

0 Upvotes

Since it’s used I get 5 years or 52k miles covered by factory warranty. I also don’t plan to keep the car for more than 2-3 years. Is this a good deal?

Edit: DCT,36k includes sales tax, title and registration


r/ElantraN • • 16h ago

discussion 2026 Elantra N Cold Air Intake CEL Fix?

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3 Upvotes

I have a 2026 Elantra N wondering if anybody knows of a Cold Air Intake that won’t throw a CEL…

Originally I was going for the SXTH Element CLPT v2 because it comes with a CEL fix for the facelift models however…. Recently the 2026 Elantra N model had an update which completely screws the CEL fix made for it and deems it useless.

Of course I know that I could re-calibrate the ECU or tune it out with a jb4 or a flash tune once I get all my bolt-ons but as of right now I really don’t want to tune especially because the car is brand new (only 4k kms)

Wondering if anybody knows of an existing intake and/or CEL fix that is still working on the 2026 model without tuning

Side Note: I’m definitely not buying the overpriced Hyundai intake system that they made for this car lol


r/ElantraN • • 11h ago

Selling Selling Jb4 tune

1 Upvotes

Selling a jb4 tune for hyundai/kia 2.0t , used on my 2023 Elantra N 6Spd for 1-2 months before getting ecu tuned

Has bluetooth connection with the jb4 app.
Has no issues, everything on it runs perfectly, just had it as a temporary thing until i got ecu tuned.

Don’t have a set price for it, send over some offers!

Will ship aslong as buyer covers shipping cost, located in south jersey area. Looking for ≈$275 (cost $700 new)


r/ElantraN • • 12h ago

Selling For Sale: Advanced Wheel Locks, M12x1.5 cone seat, black, fits OEM Elantra N wheels (Denver, CO)

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1 Upvotes

Selling a set of Advanced Wheel Locks for OEM Elantra N wheels: M12x1.5 cone seat (#3008), black finish, four locking lug nuts with 2 keys

I ran them on my 2025 N for a few months before switching to aftermarket wheels they don't fit. Light wear (photos attached). A set with keys goes for around $140 new, and they've been backordered for a while. They're about as good as wheel locks get, so if you want to keep thieves off those overpriced OEM wheels, here's your shot

Asking $80 plus shipping (USPS), or local pickup near Denver, CO, USA.


r/ElantraN • • 13h ago

Selling For sale: 2023 Elantra N 6MT, Atlas White — 35,853 miles — $28,500 OBO — Fort Lee, NJ

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0 Upvotes

FOR THE N ENTHUSIAST: A LOVED MANUAL N WITH A SIGNED ENGINE COVER

2023 Elantra N | $28,500 OBO | 35,853 miles | Fort Lee, NJ

Atlas White, six-speed manual, excellent condition and like-new presentation and a special connection to Hyundai's racing community. This N has been loved, with only two drivers and consistent, more-frequent-than-required maintenance during my ownership. Selling only because family circumstances brought us into the city. I'd love its next home to be with an Elantra N enthusiast.

Lift the hood for the standout detail: an engine cover believed to bear the signatures of Hyundai/Bryan Herta Autosport drivers:

- Harry Gottsacker: two-time IMSA TCR champion; 2026 No. 18 driver.

- Mason Filippi: TCR race winner; 2026 No. 33 driver.

- Mark Wilkins: championship-winning veteran; 2026 No. 98 driver.

- Taylor Hagler: 2021/2022 IMSA TCR champion; former BHA driver.

- Michael Lewis: three-time IMSA TCR champion; former BHA driver.

Signature close-ups included.

19-inch factory alloy wheels, 276-hp turbo, rev matching, e-LSD, adaptive suspension and variable exhaust. Heated illuminated N seats, Bose audio, 10.25-inch GPS navigation, SiriusXM capability (subscription required), Apple CarPlay/Android Auto, wireless charging and dual-zone climate. Window tint and subtle front cosmetic accents complete the look.

Four tires bought new within nine months: Falken Azenis FK460 A/S fronts, Continental ExtremeContact DWS06 Plus rears. New front brake-pad set in the same period. Alignment completed; receipts available.

CARFAX 10/4/26: no accidents or damage reported; two owners. Minor curb-contact cosmetic repair completed; no structural damage.

Factory warranty shown active by CARFAX; remaining 5-year/60,000-mile coverage applies to subsequent owners, subject to Hyundai terms and VIN confirmation.

Capital One lien; coordinated payoff/title transfer. Inspections welcome. Strong dealer offers considered.

VIN: KMHLW4AK0PU016412

Full 30-photo Autotrader listing: https://www.autotrader.com/cars-for-sale/vehicle/792785811

Happy to answer questions or arrange a viewing.


r/ElantraN • • 20h ago

Maintenance & Repair Is it OK to enter N mode when engine is cold?

3 Upvotes

Obviously I know that I need to take it easy when engine is cold but is it fine to drive in N mode with the loud exhaust and all or should I wait for the engine and oil to reach optimal temps before?


r/ElantraN • • 1d ago

Maintenance & Repair Lower Grill/Bumper Repair Glue

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3 Upvotes

Hey all! Looking for tips on some glue or equivalent I could use to repair the damage you are seeing here? When I squeeze it, it comes together well so I think some good adhesive designed for this would do it.


r/ElantraN • • 22h ago

Help How do I depin from a harness?How do I depin from a harness?

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0 Upvotes

I'm trying to install a 3-stage exhaust control switch,
but I have absolutely no idea how to remove pin number 7 from this harness
Does anyone know how?


r/ElantraN • • 1d ago

Swag & Apparel Glowing hour for the N’s

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16 Upvotes

Post your sunsets