This 2018 Audi S8 factory service and repair manual is built around the Plus Sedan's 4.0L turbocharged V8 (engine code DDTA), giving you the exact specifications, torque values, and repair sequences Audi published for this engine and trim rather than generic S8/A8 coverage.
Engines covered
- 4.0L V8 (243 cu in) — DOHC, turbocharged, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Plus
Known issues on the 2018 S8. One recall is on federal record for this model year, covering the seal around the engine compartment: on affected 2013-2018 S8 and A8 vehicles, the seal can come loose and contact hot engine components, raising the risk of a fire. No complaints or technical service bulletins are logged for the year. The factory diagnostic and repair procedures behind that system are here.
From inspecting the engine bay seal to routine service on the turbocharged V8, it keeps you on the OEM procedure and the correct specification for your specific 2018 S8.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S8 and A8 vehicles. The seal around the engine compartment may come loose and contact hot engine components.
If the seal contacts hot engine components, there could be an increased risk of a fire.
Audi will notify owners, and dealers will install a retaining plate to prevent the engine compartment seal from loosening. The recall began September 4, 2020. Owners may contact Audi customer servi
This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.
This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
This bulletin provides information when DTC B105A1A, B103E25 is stored in 0017; fuel tank level implausible.
This bulletin provides informatoinw hent here are scratches or a coating on the cover of the instrument cluster, or particles inside of the housing.
This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
This bulletin provides informaiton when the engine is not running smoothly, misfiring.
This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
Showing the 8 most recent of 344 technical service bulletins on file with NHTSA.
