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 175 (IGNITION/GLOW PLUG SYSTEM (1 OF 2))28 IGNITION/GLOW PLUG SYSTEMIGNITION SYSTEMOVERVIEW - IGNITION SYSTEM
2019 Audi S5 Prestige, 2D Coupe
Overview - Ignition System
2019 Audi S5 Prestige, 2D CoupeSECTION Overview - Ignition System
WARNING: This page is about a different car, the 2019 Audi A5 Sportback and 2018 Audi A5 Sportback. However, it is still accessible from the selected car via links, so may be relevant.
- Bolt
- 8 Nm + 90°
- Always replace after removing.
- The tightening specifications affect function of the knock sensor
- Knock Sensor 1 -G61-
- Removing and installing. Refer to Knock Sensor 1 -G61-, REMOVING AND INSTALLING .
- Spark Plug
- 30 Nm
- Spark Plug Connectors
- Ignition Coil with Power Output Stage
- Ignition Coil 1 with Power Output Stage -N70-
- Ignition Coil 2 with Power Output Stage -N127-
- Ignition Coil 3 with Power Output Stage -N291-
- Ignition Coil 4 with Power Output Stage -N292-
- Removing and installing. Refer to IGNITION COILS WITH POWER OUTPUT STAGES, REMOVING AND INSTALLING .
- Bolt
- 10 Nm
- Nut
- 9 Nm
- Bolt
- 9 Nm
- Cam Position Sensor 3 -G300-
- Removing and installing. Refer to Cam Position Sensor 3 -G300-, REMOVING AND INSTALLING .
- O-Ring
- Always replace if damaged
- O-Ring
- Always replace if damaged
- Cam Position Sensor -G40-
- Removing and installing. Refer to Cam Position Sensor -G40-, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- O-Ring
- Always replace if damaged
- Engine Speed Sensor -G28-
- Check the O-ring for damage
- Removing and installing. Refer to Engine Speed Sensor -G28-, REMOVING AND INSTALLING .
- Bolt
- 4 Nm + 45°
- Always replace after removing.
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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.