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If you drive a 2018 Audi S5, you already know these cars are engineered different. Sharp handling, precise steering, and that aggressive Audi feel all come from the electric power steering system built into the rack and pinion setup. But even German engineering isn’t immune to wear over time.
Common Issues
Unlike older hydraulic steering systems, the 2018 S5 uses an electric steering rack, meaning fluid leaks are not common failure points. What we actually see in the shop are issues like:
- Steering stiffness or inconsistent assist
- Steering wheel vibration at low speeds
- Clunking or knocking noises over bumps
- Fault codes related to steering angle sensors
- Intermittent loss of power steering assist
- Internal electronic motor failure inside the rack
A lot of owners mistake suspension noise for rack failure, which is why proper diagnosis matters before throwing expensive parts at the car.
What Needs to Be Done
The first step is a full diagnostic scan using factory-level software to check steering module faults and calibrations. From there, we inspect:
- Inner & outer tie rods
- Steering rack mounts
- Front suspension components
- Alignment specs
- Electrical connections & voltage supply
In some cases, the rack may need recalibration. In others, replacement is the only safe solution, especially if the electric assist motor or internal sensors fail.
Pro Tip:
Lowering springs, pothole impacts, oversized wheels, and neglected alignments can put extra stress on your steering rack. If your steering feels “off,” don’t ignore it. Catching the issue early can save you thousands.
Result:
A properly functioning steering rack restores the tight, responsive handling Audi intended with smoother steering input, improved safety, and confidence behind the wheel.
Euro Auto Tech & Smog | European Specialist | 7633 El Cajon Blvd #217, La Mesa, CA 91942
