2012 Audi A8 BaseFACTORY OEM SERVICE PROCEDURE

External Pages

's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle. Different variant/trim Section 1 (6.3L - Generic Scan Tool - Engine Code: CEJA (1 Of 2)) Section 2 (6.3L - Generic Scan Tool - Engine Code: CEJA - Transmission DTC Tables & Diagnostic Procedures) Section 3 (6.3L - MULTIPORT Fuel Injection - Engine Code(S): CEJA & CTNA) Section 4 (6.3L - Ignition/Glow Plug System - Engine Code(S): CEJA & CTNA) Section 5 (6.3L - Lubrication - Engine Code(S): CEJA And CTNA) Section 6 (6.3L - Engine Assembly - Engine Code: CEJA) Section 7 (6.3L - Crankshaft & Cylinder Block - Engine Code: CEJA) Section 8 (6.3L - Cooling System - Engine Code(S): CEJA) Section 9 (6.3L - Cylinder Head & VALVETRAIN - Engine Code: CEJA) Section 10 (6.3L - Generic Scan Tool - Engine Code: CEJA - Engine DTC Tables) Different car Section 1 (Firing Order & Cylinder Identification) Section 2 (Fluid Capacity Tables) Section 3 (3.0L - Generic Scan Tool - Engine Code(S): CPNA & CPNB (General Information)) Section 4 (3.0L - Generic Scan Tool - Engine Code(S): CPNA & CPNB (Transmission DTC Tables - Diagnostic Procedures)) Section 5 (4.0L - Turbocharger & Supercharger - Engine Code(S): CEUA, CGTA, CTFA & CTGA) Section 6 (3.0L - Turbocharger & Supercharger - Engine Code: CREC) Section 7 (3.0L - Generic Scan Tool - Engine Code: CTUB (1 Of 2)) Section 8 (3.0L - Generic Scan Tool - Engine Code: CTUB - Transmission DTC Tables & Diagnostic Procedures) Section 9 (3.0L - Fuel Supply System - General & Technical Data - Engine Code(S): CPNA & CPNB) Section 10 (3.0L - Engine Mechanical, Fuel Injection & Ignition - General & Technical Data - Engine Code: CTUB) Section 11 (3.0L - Engine Mechanical, Fuel Injection & Glow Plug - General & Technical Data - Engine Code(S): CPNA & CPNB) Section 12 (6.3L - Engine Mechanical & Ignition - General & Technical Data - Engine Code(S): CEJA & CTNA) Section 13 (4.0L - Engine Mechanical, Fuel Injection & Ignition - General & Technical Data - Engine Code(S): CEUA, CGTA & CTFA) Section 14 (3.0L - Engine Mechanical, Fuel Injection & Ignition - General & Technical Data - Engine Code(S): CREA & CREC) Section 15 (3.0L - Exhaust System & Emission Controls - Engine Code: CTUB) Section 16 (3.0L - Exhaust System & Emission Controls - Engine Code: CPNA) Section 17 (6.3L - Exhaust System & Emission Controls - Engine Code(S): CEJA & CTNA) Section 18 (4.0L - Exhaust System & Emission Controls - Engine Code(S): CEUA, CGTA & CTFA) Section 19 (3.0L - Exhaust System & Emission Controls - Engine Code(S): CREC & CREA) Section 20 (4.0L - Generic Scan Tool - Engine Code(S): CTFA & CTGA (DTC Tables - Diagnostic Procedures) [Engine DTC Tables]) Section 21 (3.0L - MULTIPORT Fuel Injection - Engine Code: CREC) Section 22 (3.0L - Cooling System - Engine Code(S): CREA & CREC) Section 23 (3.0L - Ignition/Glow Plug System - Engine Code: CREC) Section 24 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CREC & CREA) Section 25 (3.0L - Lubrication - Engine Code: CREA & CREC) Section 26 (3.0L - Fuel Supply - Engine Code(S): CPNA & CPNB) Section 27 (3.0L - Engine Assembly - Engine Code: CREC & CREA) Section 28 (3.0L - Crankshaft & Cylinder Block - Engine Code: CREA & CREC) Section 29 (4.0L - MULTIPORT Fuel Injection - Engine Code(S): CEUA, CGTA, CTFA & CTGA) Section 30 (4.0L - Cooling System - Engine Code(S): CEUA, CFTA & CGTA) Section 31 (4.0L - Engine Assembly - Engine Code(S): CEUA, CGTA & CTFA) Section 32 (4.0L - Ignition/Glow Plug System - Engine Code(S): CEUA, CGTA, CTFA & CTGA) Section 33 (4.0L - Lubrication - Engine Code(S): CEUA, CGTA, CTFA & CTGA) Section 34 (4.0L - Cylinder Head & VALVETRAIN - Engine Code(S): CEUA, CGTA, CTFA & CTGA) Section 35 (4.0L - Crankshaft & Cylinder Block - Engine Code(S): CEUA, CGTA & CTFA) Section 36 (3.0L - Diesel Fuel Injection - Engine Code: CPNA (1 Of 2)) Section 37 (3.0L - Turbocharger & Supercharger - Engine Code: CPNA & CPNB) Section 38 (3.0L - Cooling System - Engine Code: CPNA) Section 39 (3.0L - Ignition/Glow Plug System - Engine Code(S): CPNA & CPNB) Section 40 (3.0L - Lubrication - Engine Code(S): CPNA And CPNB) Section 41 (3.0L - Crankshaft & Cylinder Block - Engine Code: CPNA) Section 42 (3.0L - Engine Assembly - Engine Code: CPNA) Section 43 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CPNA) Section 44 (3.0L - Diesel Fuel Injection - Engine Code: CPNA (2 Of 2)) Section 45 (3.0L - Ignition/Glow Plug System - Engine Code: CPNA) Section 46 (3.0L - MULTIPORT Fuel Injection - Engine Code: CTUB (As Of 12.2011)) Section 47 (3.0L - Ignition System - Engine Code: CTUB) Section 48 (3.0L - Turbocharger & Supercharger - Engine Code: CTUB) Section 49 (3.0L - MULTIPORT Fuel Injection - Engine Code: CTUB (As Of 08.2013)) Section 50 (3.0L - Ignition/Glow Plug System - Engine Code: CTUB) Section 51 (3.0L - Cooling System - Engine Code: CTUB) Section 52 (3.0L - Lubrication - Engine Code: CTUB) Section 53 (3.0L - Engine Assembly - Engine Code: CTUB) Section 54 (3.0L - Crankshaft & Cylinder Block - Engine Code: CTUB) Section 55 (3.0L - Cylinder Head & VALVETRAIN - Engine Code: CTUB) Section 56 (4.0L - MULTIPORT Fuel Injection - Engine Code(S): CEUA & CGTA) Section 57 (4.0L - Fuel Injector & Ignition - Engine Code(S): CEUA & CGTA) Section 58 (3.0L - Generic Scan Tool - Engine Code: CTUB - Engine DTC Tables (Engine Control Module --, 2013-2014 My)) Section 59 (3.0L - Generic Scan Tool - Engine Code: CTUB - Engine DTC Tables (Engine Control Module --, 2015 My)) Section 60 (4.0L - Generic Scan Tool - Engine Code(S): CTFA & CTGA (DTC Tables - Diagnostic Procedures) [Transmission DTC Tables & Diagnostic Procedures])

Factory Service 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:

  • 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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