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.
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HOMESERVICE MANUALSAUDI2019S5 PRESTIGE, 2D COUPEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 83 (HYDRAULIC COMPONENTS)
2019 Audi S5 Prestige, 2D Coupe
Section 83 (Hydraulic Components)
2019 Audi S5 Prestige, 2D CoupeSECTION Section 83 (Hydraulic Components)
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2020 Audi S3, 2020 Audi RS 3, 2020 Audi A3 Quattro, 2020 Audi A3, and 2019 Audi S3. However, it is still accessible from the selected car via links, so may be relevant.
- 47 Hydraulic Components
- Front Brake Caliper
- Rear Brake Caliper
- Brake Booster/Brake Master Cylinder
- Overview - Brake Booster/Brake Master Cylinder
- Brake Booster, Removing And Installing
- Brake Master Cylinder, Removing And Installing
- Brake Fluid Reservoir, Removing And Installing
- Brake Fluid Level Warning Switch -F34-, REMOVING AND INSTALLING
- Brake System Pressure Reservoir -VX70-, REMOVING AND INSTALLING
- Vacuum System
- Overview - Electric Vacuum Pump
- Overview - Vacuum Pump
- Check Valve, Checking
- Check Valve, Removing And Installing
- Vacuum Sensor -G608-, REMOVING AND INSTALLING
- Vacuum System, Checking
- Electric Vacuum Pump, Removing And Installing
- Vacuum Pump, Removing And Installing
- Brake Lines
- Hydraulic System
- Special Tools
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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.