Description
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The EM07 drive unit used across modern Kia and Hyundai EV platforms has become known for characteristic milling, rumble and whining noises coming from the electric motor and reduction gearbox assembly. In many cases, the root cause is not the inverter or complete motor failure, but progressive bearing wear, oil degradation and internal gearbox contamination.
EV Clinic developed the EM07 Kia Hyundai eDrive KIT Repair as a professional rebuild solution for workshops and advanced EV specialists who want to repair the original drive unit instead of replacing the entire assembly.
This repair kit is engineered from real-world teardown analysis and road-tested repairs performed on multiple Hyundai and Kia electric platforms suffering from:
• Milling sound under acceleration
• Rumbling or wheel-of-fortune noise
• Grinding or whining from reduction gear
• Bearing vibration under load
• Gearbox contamination with metal particles
• Oil seal leakage and premature bearing wear
OEM service bulletins already acknowledge abnormal rumble noise and reduction gear failures on Kia EV platforms.
Compatible Vehicles
• Kia EV6
• Hyundai Ioniq 5 2022
• Hyundai Kona Electric 2022
• Kia eNiro 2022
• Other Hyundai/Kia platforms using EM07 drive unit variants after 2022 manufacturing year
Common EM07 motor references include:
36501-0EDA1
36501-0EDA3
and related EM07 family variants.
Typical Failure Symptoms
The most common customer complaint starts as a subtle humming or milling noise during low-speed acceleration. Over time, vibration increases and internal bearing damage contaminates the gearbox oil with metallic debris. If ignored, secondary damage can affect seals, shafts and gearbox components.
Typical symptoms include:
• Milling sound during acceleration
• Rumble noise between 0–40 km/h
• Clicking or grinding under torque load
• Metallic particles in gearbox oil
• Vibration felt through chassis
• Noise increase after aggressive acceleration
• Oil leakage around drive unit
Why Repair Instead Of Replace?
OEM replacement of complete drive units often exceeds several thousand euros and usually replaces the entire assembly instead of the actual failed wear components. Independent EV specialists worldwide increasingly repair these units successfully by rebuilding bearings, seals and gearbox components.
The EV Clinic EM07 eDrive KIT allows workshops to:
• Restore original drive unit
• Eliminate bearing and gearbox noise
• Prevent secondary drivetrain damage
• Reduce repair cost dramatically
• Keep OEM motor and calibration intact
• Deploy sustainable component-level repair
Kit Contents
Depending on selected version, the kit may include:
KIT consists of 5 ball bearings (rotor 3x ceramic and midle gear 2), 2 halfshaft seals
Professional Use Only
This product is intended for professional workshops trained in high-voltage EV systems.
HV Level 3 safety procedures are mandatory before servicing any Kia or Hyundai high-voltage drivetrain system. Special tools, bearing extraction equipment and correct assembly procedures are required.
EVC Academy training and professional repair procedures are available separately for workshops that want to deploy EM07 rebuild operations professionally.
Product Tags
EM07, Kia EV6, Hyundai Ioniq 5, Kona Electric, Kia eNiro, Hyundai EV repair, electric motor bearing, reduction gear repair, EV drivetrain repair, gearbox bearing noise, wheel of fortune noise, Kia motor repair, Hyundai motor rebuild, EM07 repair kit, EV Clinic, electric drive unit, milling noise, whining noise, rumble noise, gearbox rebuild, traction motor repair
KIT is non refundable.
KBC F-806149.04RTR1, V0115-192956, F-806149.04RTR1, V0115-192956, B35-127UR, NSK, B35-274URQTF, B30-297UR, 35BC06S72, NACHI, 5S-2TA-SC07D79HSGC3, 45245-3B210,
