Audi , A8 , D4 , 2.0 TFSI (2012-2018) Common Issues
- Oil Leaks from Rear Main Seal
- Caused by: Worn or loose main seal bearing
- Symptoms: Oil spots on garage floor, decreased engine performance
- Rear Axle Shaft Failure
- Caused by: Overheating and wear on the axle shaft bearings
- Symptoms: Grinding noise, vibration from rear of vehicle
- Issues with Automatic Transmission
- Caused by: Software glitches or faulty solenoids
- Symptoms: Slipping or hesitation in gear changes, illuminated "service engine" light
- Coolant Leaks
- Caused by: Cracked cylinder head or intake manifold gasket
- Symptoms: Engine overheating, low coolant levels
- Issues with 8-Speed Automatic Transmission (Tiptronic)
- Caused by: Solenoid failure or software issues
- Symptoms: Slipping or hesitation in gear changes, illuminated "service engine" light
- Rear Brake Rotor Warpage
- Caused by: Overheating and excessive wear on the brake rotors
- Symptoms: Spongy brake pedal, vibration when braking
- Electrical Issues with Parking Sensors (Ultrasonic)
- Caused by: Faulty sensor or wiring harness damage
- Symptoms: Inoperative parking sensors, illuminated "service engine" light
- Rear Axle Bearing Failure
- Caused by: Overheating and wear on the axle bearing
- Symptoms: Grinding noise, vibration from rear of vehicle
- Issues with Adaptive Cruise Control System (ACC)
- Caused by: Software glitches or faulty sensors
- Symptoms: Inoperative ACC system, illuminated "service engine" light
- Rear Window Regulator Failure
- Caused by: Wear on the window regulator cable or motor
- Symptoms: Stuck or inoperable rear window
- Headlight and Fog Light Issues
- Caused by: Faulty bulbs, wiring harness damage, or headlight/ fog light assembly failure
- Symptoms: Inoperative headlights/fog lights, illuminated "service engine" light
- Tire Pressure Monitoring System (TPMS) Failure
- Caused by: Faulty sensor or wiring harness damage
- Symptoms: Inoperative TPMS system, illuminated "service engine" light
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