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.
2018 Audi S7 PrestigeFACTORY OEM SERVICE PROCEDURE
Repair and Diagnosis
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Quick Lookups
- Accessories & Equipment
- Body & Frame
- Brakes
- Drivelines & Axles
- Axle Shafts
- Differential System (General & Service Information - 0B5A, 0BKA)
- Differential System & Final Drive System (General & Service Information - 7-Speed Dual Clutch - 0B5)
- Differential System & Final Drive System (General Information - 7-Speed Dual Clutch - 0B5)
- Front Suspension System (Service Information)
- Rear Suspension System (Service Information)
- Differentials & Drive Axles
- Differential System (General & Service Information - 0B5A, 0BKA)
- Differential System (General & Service Information - Rear Final Drive 0B5A, 0BKA Sport Differential)
- Differential System & Final Drive System (General & Service Information - 7-Speed Dual Clutch - 0B5)
- Differential System & Final Drive System (General Information - 7-Speed Dual Clutch - 0B5)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 1 Of 2)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 2 Of 2)
- Rear Suspension System (Service Information)
- Driveshaft & Universal Joints
- Axle Shafts
- Electrical
- Engine Mechanical
- Blowers, Superchargers & Turbochargers
- Cooling Fan
- Cooling System (Mechanical)
- Exhaust System & Emission Controls System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Fuel System
- Engine Lubrication System (Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Mechanical
- Engine System (Assembly - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Engine System (Crankshaft & Cylinder Block - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Engine System (Cylinder Head & VALVETRAIN - Service Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Engine System (Precautions & General Information - 4.0L - CEUC, CRDB, CTGE, CWUB, CWUC)
- Fuel System & Start/Stop System (General Information - CEUC, CRDB, CTUA, CTGE, CREC, CWUB, CWUC, CREH)
- Oil Gauge Tester System (General Information)
- Electrical System (General Information - Battery, Starter, Generator, Cruise Control)
- Engine Performance
- General Information
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Driveline/Axles
- DTC Index (General Information)
- Electrical
- Engine
- Engine Performance
- Electrostatic Discharge Warning - General Information
- Engine Performance Diagnostic Routine Outline - General Information
- Engine Performance Safety Precautions
- Map - Engine Performance & Maintenance
- Parasitic Load Explanation & Test Procedures - General Information
- State Emission Standards - Diesel
- State Emission Standards - Gas
- Waveforms - Injector Pattern Tutorial - General Information
- Map - Exhaust Systems
- Heating, Ventilation & A/C (HVAC)
- Hoist/Jack
- Identification
- Metric Conversions
- OEM General Information
- Reset Procedures
- Specifications Index
- Steering
- Towing
- Traction Control Disable Procedures
- Trouble Shooting - Manual Transmission - General Information
- Heating, Ventilation & A/C (HVAC)
- A/C Compressor
- General Servicing
- Climate Control System (General & Service Information - Refrigerant R1234YF Servicing 1 Of 2)
- Climate Control System (General & Service Information - Refrigerant R1234YF Servicing 2 Of 2)
- Climate Control System (General & Service Information - Refrigerant R134A Servicing 1 Of 2)
- Climate Control System (General & Service Information - Refrigerant R134A Servicing 2 Of 2)
- Climate Control System (General Information - CEUC, CTUA, CEUC, CRDB, CPNB, CREC, CTGE, CWUC, CREH, CWUB)
- Climate Control System (Refrigerant R134A Servicing)
- Climate Control System (Service Information 1 Of 2)
- HVAC Control Systems
- Climate Control System (General & Service Information - Refrigerant R1234YF Servicing 1 Of 2)
- Climate Control System (General & Service Information - Refrigerant R134A Servicing 1 Of 2)
- Climate Control System (General & Service Information - Refrigerant R134A Servicing 2 Of 2)
- Climate Control System (General Information - CEUC, CTUA, CEUC, CRDB, CPNB, CREC, CTGE, CWUC, CREH, CWUB)
- Climate Control System (Refrigerant R134A Servicing)
- Climate Control System (Service Information 1 Of 2)
- Climate Control System (Service Information 2 Of 2)
- Maintenance
- Restraints
- Steering
- Suspension
- Transmission
- Automatic Trans
- Differential System (General & Service Information - 0B5A, 0BKA)
- Differential System & Final Drive System (General & Service Information - 7-Speed Dual Clutch - 0B5)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 1 Of 2)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 2 Of 2)
- Transmission Controls System (Service & Specification Information - 7-Speed Dual Clutch - 0B5)
- Transmission Controls System (Service Information - 7-Speed Dual Clutch - 0B5)
- Transmission System (Clutch - Service Information - 7-Speed Dual Clutch - 0B5 - 1 Of 2)
- Transmission System (Clutch - Service Information - 7-Speed Dual Clutch - 0B5 - 2 Of 2)
- Transmission System (Gears & Shafts - Service Information - 7-Speed Dual Clutch - 0B5 - 1 Of 2)
- Transmission System (Gears & Shafts - Service Information - 7-Speed Dual Clutch - 0B5 - 2 Of 2)
- Transmission System (General & Technical Information - 7-Speed Dual Clutch - 0B5)
- Transmission System (General Information - 7-Speed Dual Clutch - 0B5
- Clutch
- Transmission Control Systems
- Differential System & Final Drive System (General Information - 7-Speed Dual Clutch - 0B5)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 1 Of 2)
- Final Drive System & Transmission System (General Information - 0B5A, 0BKA - 2 Of 2)
- Transmission Controls System (Service & Specification Information - 7-Speed Dual Clutch - 0B5)
- Transmission Controls System (Service Information - 7-Speed Dual Clutch - 0B5)
- Transmission System (General & Technical Information - 7-Speed Dual Clutch - 0B5)
- Transmission System (General Information - 7-Speed Dual Clutch - 0B5
- Automatic Trans
- External Pages
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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