Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Guidelines For Clean Working Conditions
2025 Audi A4 Quattro PrestigeSECTION Guidelines For Clean Working Conditions
- The highest level of cleanliness is required when working on the brake system. Using any products which contain mineral oil such as oils, greases etc. is strictly prohibited.
- Thoroughly clean all connection points and their surrounding areas before loosening. However, do not use aggressive cleaning agents such as brake cleaner, gasoline, thinners or similar compounds.
- Place the removed parts on a clean surface and cover them.
- Carefully cover or seal opened components if the repair is not performed immediately. (Use the plugs from the Repair Kit :1H0 698 311 A or the Assembly Part Set :5Q0 698 311 ).
- Only use lint-free cloths
- Remove the replacement parts from their packaging just prior to installing them.
- Only use parts in their original packaging.
- If the system is open, do not work with compressed air and do not move the vehicle.
- Make sure that brake fluid cannot get into the connectors.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.