ERAD (Electric Rear Axle Drive) Coolant Ingress & Bearing Failure
SeriousGearbox & TransmissionOn T8 Twin Engine and Recharge models, internal coolant seal leaks in the rear electric motor housing can cause bearing failure and high-voltage electrical shorts.
Whining or whirring noise from the rear axle under electric acceleration, "Hybrid System Fault" dashboard alert, Loss of all-wheel drive and pure EV mode
- Conduct road test in pure electric mode with windows closed
- Check for hybrid system fault codes
- Ask if the ERAD has been replaced with the upgraded unit