Audi RS6/RS7 C7 Maintenance Guide

Owning an Audi RS6 or RS7 C7 is a thrilling experience, thanks to their powerful engines, advanced technology, and dynamic performance. However, maintaining these high-performance vehicles is crucial to ensure they continue running smoothly and efficiently. Regular maintenance helps prevent expensive repairs and keeps the car at its best, both in terms of performance and reliability.

This guide outlines the key maintenance tasks and service intervals you should follow to keep your C7 RS6 or RS7 in top condition, based on Audi’s official service schedule.

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Regular Maintenance Overview

The C7 RS6 and RS7 are equipped with a 4.0-litre twin-turbo V8 engine, and proper maintenance is essential to ensure the longevity of this high-performance engine and other key components. Audi recommends specific service intervals for routine checks, oil changes, and more, based on either time or distance travelled, whichever comes first.

Service Intervals by Distance and Time

Audi suggests the following service intervals for the RS6 C7. These intervals are typically based on either time or mileage (whichever occurs first). Note that the intervals may vary slightly depending on the specific model year, driving conditions, and other factors. Always check your owner's manual for precise details.

Oil Change and Basic Service - Interval: Every 10,000 miles (16,000 km) or 12 months

Description: This service includes changing the engine oil, replacing the oil filter, and performing a general inspection of the vehicle. Regular oil changes are essential to the engine’s health, as high-performance engines like the V8 in the RS6 can accumulate a lot of heat and stress during operation

Inspection Service (Minor Service) - Interval: Every 20,000 miles (32,000 km) or 24 months

Description: The minor service includes oil and filter change, as well as a more detailed inspection of key components such as the brakes, suspension, tyres, and battery. Audi’s advanced diagnostic tools are used to check for any issues with the vehicle's systems, including the electronics and performance settings.

Major Service - Interval: Every 40,000 miles (64,000 km) or 48 months

Description: The major service is more comprehensive and includes all of the minor service tasks, along with replacing the air filters, spark plugs, and checking the timing belt or camshaft adjustment. This service also includes fluid replacements for the transmission and differential if necessary. It’s also a good time to inspect the brake system and replace the brake fluid if required.

Brake Fluid Change - Interval: Every 2 years

Description: Brake fluid absorbs moisture over time, which can affect braking performance. Audi recommends replacing the brake fluid every two years to ensure optimal braking performance, particularly in a high-performance car like the RS6.

Spark Plug Replacement - Interval: Every 40,000 miles (64,000 km)

Description: The spark plugs in the RS6’s V8 engine play a critical role in ignition and engine efficiency. They should be replaced at the recommended interval to ensure smooth engine operation and prevent any misfires or loss of performance.

Timing Chain and Tensioner Inspection - Interval: Every 80,000 miles (128,000 km)

Description: While the RS6’s timing chain is designed to last for a long period, it’s important to check the tensioner and chain for wear at around 80,000 miles. A worn timing chain can cause significant engine damage if not addressed promptly.

Additional Maintenance Considerations

While adhering to the standard service schedule is key to the RS6’s upkeep, there are a few other areas to keep an eye on:

Tyre Condition and Alignment

High-performance tyres should be checked regularly for wear, especially if you drive the RS6 aggressively. Uneven wear can indicate alignment issues, which should be addressed to prevent further damage to the suspension or handling problems.

Brake System Checks

As with any performance car, the brakes are a vital component. The RS6 can be equipped with either steel or optional carbon ceramic brakes, both of which require specific attention. Regularly check the brake pads and discs for wear and replace them if needed. Carbon ceramics are more durable but can be costly to replace if they become damaged, so keep an eye out for any cracks or irregularities.

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Suspension and Air Suspension System

The C7 RS6 uses Audi’s adaptive air suspension system, which can sometimes experience issues as it ages. Listen for any unusual noises during driving or when the car is lowering or raising itself, as this can indicate a fault. If you notice any warning lights related to the suspension system, it’s important to have it checked immediately.

Cooling System

Given the high-performance nature of the RS6, ensuring the cooling system is in good working order is essential to prevent overheating. Check the coolant levels regularly and ensure there are no signs of leaks around the radiator or hoses.

Transmission Fluid

Audi recommends checking the transmission fluid every 40,000 miles (64,000 km). This should only be done by a professional as it requires specific tools and expertise to ensure the correct fluid type and level are maintained.

Conclusion

Owning an Audi RS6 or RS7 C7 is a rewarding experience, but proper maintenance is crucial to keep it performing at its best. Regular servicing according to Audi’s guidelines, along with timely attention to specific components like the brakes, tyres, and suspension, will ensure that your vehicle remains reliable and performs optimally for years to come.

By sticking to the recommended service intervals and addressing potential issues early, you can avoid costly repairs and ensure that your RS6 or RS7 continues to deliver the high-performance driving experience that it was built for. Always consult your owner’s manual for specific details on your car’s maintenance schedule, and don’t hesitate to seek professional help for more complex issues.