This official Audi service manual provides comprehensive technical documentation for the 6-cylinder EA839 direct fuel injection engine family, covering 2.9-liter and 3.0-liter turbocharged TFSI variants installed in 2018-2019 model year vehicles. Published in December 2019 (Edition 12.2019), this 279-page factory workshop manual serves as the definitive repair resource for professional technicians and qualified mechanics servicing C8-generation A6 and A7 models, along with select Q5 applications.
Quick Reference: Engine & Vehicle Compatibility
| Engine Code | Displacement | Configuration | Power Output | Torque | Primary Applications |
|---|---|---|---|---|---|
| DLZA | 2.9L | Twin-turbo V6 | 450 HP | 600 Nm | A6, A7, S4, S5, RS4, RS5 |
| DKMB | 3.0L | Single-turbo V6 | 340-354 HP | 500 Nm | A6, A7, Q5, Q7, Q8 |
Covered Vehicle Models:
- Audi A6 (2019+) – C8 generation sedan, including China market
- Audi A7 Sportback (2018+) – C8 generation five-door fastback
- Audi Q5 (2019+) – FY generation crossover, China market
What’s Inside This Official Audi Factory Manual
This 279-page repair manual covers all major engine systems with detailed procedures, exploded-view diagrams, torque specifications, and special tool requirements. Unlike generic aftermarket manuals, this OEM documentation includes model-specific routing diagrams and exact component locations tailored to C8 platform vehicles.
Complete Repair Group Coverage
Repair Group 00 – General & Technical Data
Engine identification, safety precautions for 48-volt mild hybrid systems, and direct injection fuel system protocols.
Repair Group 10 – Engine Assembly (Pages 4-78)
- Engine removal: 2.9L with/without particulate filter
- Engine removal: 3.0L variants
- Engine/transmission separation procedures
- Assembly mount service (left/right engine mounts, transmission mounts)
Repair Group 13 – Crankshaft & Cylinder Block (Pages 79-93)
Timing belt service, vibration damper replacement, crankshaft seal procedures, balance shaft service, piston and connecting rod installation with exact torque specifications.
Repair Group 15 – Cylinder Head & Valvetrain (Pages 94-101)
Timing chain removal, complete cylinder head R&R for both banks, compression testing, camshaft clearance measurements, valve stem seal replacement.
Repair Group 17 – Lubrication System (Pages 102-110)
Oil pan service, oil pump removal and installation, engine oil cooler service (separate 2.9L and 3.0L procedures), oil pressure checking, multiple sensor replacements.
Repair Group 19 – Cooling System (Pages 111-185)
15 separate coolant pipe procedures covering complex C8 platform routing, coolant system leak testing, electric and mechanical coolant pump service, multiple temperature sensor replacements, radiator and fan shroud removal.
Repair Group 21 – Turbocharger & Charge Air (Pages 186-212)
2.9L twin-turbo service with electrical compressor J1123, separate 3.0L single-turbo procedures, charge air cooler R&R, charge air system leak testing.
Repair Group 24 – Direct Fuel Injection (Pages 213-245)
Multi-angle component location diagrams, high-pressure fuel pump service, throttle valve control module cleaning, complete sensor coverage (G42, G71, G247, G410), heated oxygen sensor service.
Repair Group 26 – Exhaust & Emissions (Pages 246-275)
Separate catalytic converter procedures for 2.9L with/without particulate filter and 3.0L variants, particulate filter removal and installation, exhaust system service.
Repair Group 28 – Ignition System (Pages 276-278)
Ignition coil service for all six cylinders, knock sensor replacement, camshaft position sensors, engine speed sensor procedures.
Most Common Repair Procedures
Top 10 Service Procedures with Page Numbers:
- Timing Chain Service – Camshaft timing chain removal (page 95)
- Turbocharger Replacement – 2.9L twin-turbo (pages 187-189), 3.0L (page 187)
- Coolant System Service – Draining and filling (pages 119-124)
- Cylinder Head Removal – Both banks (page 96)
- Oil Pump Replacement – Complete procedure (page 103)
- Fuel Injector Service – All six cylinders (page 235)
- Catalytic Converter Replacement – Multiple variants (pages 259-271)
- Radiator Replacement – With fan shroud (pages 161-179)
- Engine Mount Service – Left and right mounts (pages 66-71)
- High-Pressure Fuel Pump – Service and replacement (page 241)
Technical Specifications
2.9L TFSI (DLZA):
- Displacement: 2,894 cc
- Power: 331 kW (450 HP) @ 5,700-6,700 RPM
- Torque: 600 Nm @ 1,900-5,000 RPM
- Turbocharging: Twin-scroll twin-turbo with electric compressor
- Compression Ratio: 9.8:1
3.0L TFSI (DKMB):
- Displacement: 2,995 cc
- Power: 250 kW (340 HP) @ 5,400-6,400 RPM
- Torque: 500 Nm @ 1,370-4,500 RPM
- Turbocharging: Single twin-scroll turbo
- Compression Ratio: 10.5:1
Engine Architecture:
- 90-degree V6 with aluminum block and cast iron liners
- DOHC with 4 valves per cylinder, chain-driven camshafts
- Direct FSI injection with high-pressure pump (up to 200 bar)
- Audi Valvelift System (AVS) on intake and exhaust
Why Choose This Official Audi Manual
| Feature | Official Audi Manual | Aftermarket Guides |
|---|---|---|
| Pages of Content | 279 pages | 150-200 pages typical |
| Model-Specific Diagrams | ✅ Exact C8 platform | ❌ Generic illustrations |
| Coolant Pipe Procedures | ✅ 15 separate procedures | ❌ Basic overview |
| Particulate Filter Variants | ✅ Separate procedures | ❌ Not distinguished |
| Special Tool Part Numbers | ✅ Complete Audi list | ❌ Generic references |
| Torque Specifications | ✅ Exact values + angles | ⚠️ Approximate ranges |
Special Procedures & Technical Emphasis
Direct Injection System Service:
This manual emphasizes clean working conditions for direct injection components. All fuel system connection points must be thoroughly cleaned and dried before opening, with immediate sealing of exposed lines to prevent contamination.
Cooling System Complexity:
The C8 platform features exceptionally complex coolant routing. Pages 111-185 dedicate extensive coverage to 15 separate coolant pipe procedures with exact removal sequences, O-ring specifications, and hose clamp types.
Particulate Filter Considerations:
Vehicles equipped with gasoline particulate filters (GPF) require different procedures. This manual provides separate instructions for 2.9L engines with and without GPF.
48-Volt Mild Hybrid Safety:
Comprehensive safety protocols for de-energizing 48-volt electrical systems before service work, protecting technicians from electrical hazards.
Frequently Asked Questions
Q: What engine codes does this EA839 manual cover?
A: This manual covers engine codes DLZA (2.9L twin-turbo) and DKMB (3.0L single-turbo) installed in 2019+ Audi A6, 2018+ A7 Sportback, and select 2019+ Q5 models.
Q: Is this the complete factory service manual?
A: Yes, this is the official 279-page Audi workshop manual (Edition 12.2019) with all repair groups from 00 through 28.
Q: Does this include wiring diagrams?
A: The manual includes extensive component location diagrams with electrical connections (pages 213-227), but complete vehicle wiring diagrams are in separate electrical documentation.
Q: What year models are covered?
A: 2019+ Audi A6 (C8 generation), 2018+ Audi A7 Sportback (C8 generation), and 2019+ Q5 China market models with DLZA or DKMB engines.
Q: Are torque specifications included?
A: Yes, exact torque specifications in Newton-meters (Nm) for all critical fasteners, including additional rotation angles where applicable.
Q: Does this cover both 2.9L and 3.0L engines?
A: Absolutely. The manual provides separate procedures where configurations differ, particularly for turbocharger service and cooling systems.
Q: Can I use this for RS4, RS5, S6, or S7 models?
A: While these performance models use EA839 engines, this manual specifically documents A6, A7, and Q5 applications. Performance models may require supplemental documentation.
Q: Is this suitable for DIY mechanics?
A: This is a professional-level manual requiring mechanical knowledge, specialized tools (with Audi part numbers provided), and proper equipment. Advanced DIY mechanics with appropriate tools can use it successfully.
Manual Specifications & Download Information
- Edition: 12.2019 (December 2019 publication)
- Document Number: D4B8086980F
- Language: English
- Format: PDF (searchable and printable)
- File Size: 26.8 MB
- Total Pages: 279 pages
- Compatibility: Windows, Mac, iPad, Android tablets, smartphones
- Requirements: Adobe Reader (free)
👉 Download Complete Audi EA839 Service Manual PDF (279 Pages)
Instant access to the official factory workshop manual. Compatible with all devices. Full technical specifications and repair procedures included.
Related Audi Service Manuals
- Audi EA839 Servicing Manual – Broader coverage including A4, A5, Q7, Q8
- Audi C8 Platform Electrical Systems – Complete wiring diagrams
- Audi 8-Speed Automatic Transmission – Transmission service procedures
- Audi EA888 Gen III Service Manual – For 2.0L TFSI engines
This official factory documentation ensures professional-quality repairs performed to exact Audi AG specifications, maintaining vehicle reliability, performance, and warranty compliance.
