2008-2009 Audi A4 Service Manual
Technical reference for your Audi A4 (2008-2009) with engine code BKH. Includes detailed procedures for engine assembly and disassembly. PN C4077-90960
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Models Covered & Key Technical Specifications
Audi A4 (BKH) 2008-09 Service Manual: Engine Mechanical Audi A4 Engine Mechanical (BKH) 2008-09 Audi A4 Maintenance Database | Engine Components File.
- Technical Specifications: 3.123 ltr defines the engine displacement capacity.
- Engine Output: For peak performance, 188 kW at 6500 rpm indicates the maximum power output.
- Torque Rating: 330/3250 Nm signifies the engine's twisting force at specific RPMs.
- Stroke Measurement: The engine's stroke requires 92.8 mm for its operational cycle.
- Compression Ratio: For optimal combustion, 12.5 represents the compression ratio value.
- Fuel System: Simos fuel injection and ignition system manages the fuel delivery and spark timing.
Manual Description & Preview
Audi A4 Repair Manual: Audi A4 Engine Manual; 2008-09 PDF Coverage-Set
Engine-Specifications: 3.123 L // Engine-Performance: 188 kW @ 6500 RPM // Engine-Torque: 330 Nm @ 3250 RPM.
| Service-Nexus | Baseline | Logic |
|---|---|---|
| Displacement | 3.123 ltr | Engine Capacity Metric |
| Output | 188 kW at 1/rpm | Power Output Value |
| Torque | Nm at rpm | Torque Specification Metric |
| Bore | Dia. mm | Bore Diameter Measurement |
| Stroke | mm | Stroke Dimension Value |
| Compression ratio | Compression Ratio Metric | |
| RON | min. | Octane Rating Spec |
| Fuel injection and ignition system | System Identification Name | |
| Ignition sequence | Firing Order Numeric Code | |
| Exhaust gas recirculation | no | EGR System Status Indicator |
| Charging | no | Turbocharger Status Indicator |
| Knock control | yes | Knock Sensor System Status |
| Variable valve timing | yes | VVT System Status Indicator |
| Variable intake manifold | no | VIM System Status Indicator |
| Secondary air injection (AIR) system | no | SAI System Status Indicator |
| Valves per cylinder | Cylinder Valve Count Metric |
Maintenance hierarchies are structured into several key areas:
- The documentation addresses engine mechanical procedures.
- Assembly instructions are detailed for various engine components.
- Hydraulic schematics are included for related systems.
- Steering component information is provided for related systems.
- Inspection guidelines are provided for engine assembly.
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