Expert Hyundai Nexo transmission service in Chicago. Free computer diagnostic, 2-year / 24,000-mile warranty on rebuilds, all years.
We will contact you as soon as a service member is available by call, text, or email.
2019 - present: Single-speed fixed-ratio reduction gear driven by fuel cell electric powertrain; front-wheel drive No multi-speed transmission - single gear ratio from 0 to top speed Electric motor output: 161 hp; peak torque: 291 lb-ft from 0 rpm
Nexo drivetrain service should start with EV-aware high-voltage safety procedures and a clear distinction between reduction-gear concerns and fuel-cell or battery-pack concerns. Reduction gear fluid inspection and replacement is the primary scheduled service item. Seal leaks are repaired at the output shaft without full drivetrain removal in many cases. Bearing noise requires careful diagnosis, including a listening test under load and fluid metal particle analysis. Regenerative braking judder is often software-related and addressed by reflash. Fuel-cell, battery-pack, and high-voltage component issues may need Hyundai dealer-level support.
Dedicated EV reduction gear fluid (Hyundai-specified); approximately 1.5 - 2 quarts; replacement interval approximately 60,000 miles or as needed based on condition
Fluid service: same day; seal replacement: 1 day; bearing replacement: 2 - 3 days; full reduction gear rebuild: 3 - 4 days
Every vehicle needs diagnosis before anyone can promise a repair path. These are the situations we help organize before you decide what to do next.
Tell us when it happens, whether reverse still works, and if warning lights are on. A scan and fluid check come before guessing at a rebuild.
Fluid condition, leak location, and driving distance matter. If the vehicle is slipping badly or overheating, towing may be the safer next step.
A failed solenoid, valve body, converter, or internal clutch problem can lead to very different repair paths. The goal is a clear diagnosis and written estimate.
Not in the traditional sense. The Nexo uses a single-speed fixed-ratio reduction gear - there are no shift points or clutches. The electric motor provides full torque from zero RPM, eliminating the need for multiple gear ratios.
Not every general repair shop should work on a Nexo. The fuel-cell electric drivetrain requires high-voltage precautions and the right diagnostic equipment. For reduction-gear, fluid, seal, and bearing concerns, call first so the shop can confirm the safest next step. Fuel-cell, battery-pack, or high-voltage electrical faults may need Hyundai dealer-level service.
Fluid inspection every 30,000 miles; fluid replacement every 60,000 miles or if contamination is found. Seal and bearing inspection should accompany each fluid service.
Yes - Hyundai covers the fuel cell system and electric drivetrain components under a 10-year/100,000-mile warranty in California and a 5-year/60,000-mile warranty in other states. Confirm your specific coverage with your selling dealer.
Usually a calibration issue in the regenerative braking blend - the transition between regen and friction braking can produce judder if software parameters are off. Hyundai has issued updates addressing this. If judder persists after reprogramming, brake system inspection is next.
Same-day appointments available. Honest estimates, no surprises. We've been doing this since 1987.
