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.
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HOMESERVICE MANUALSAUDI2010A8 QUATTROREPAIR AND DIAGNOSISENGINE PERFORMANCESYSTEM4.2L - ENGINE MECHANICAL, ENGINE CODE(S): BVJ
2010 Audi A8 Quattro
4.2L - Engine Mechanical, Engine Code(S): BVJ
2010 Audi A8 QuattroSECTION 4.2L - Engine Mechanical, Engine Code(S): BVJ
- 00 - General, Technical Data
- 10 - Engine - Assembly
- 13 - Engine - Crankshaft, Cylinder Block
- Cylinder block, belt pulley side
- Cylinder block, transmission side
- Crankshaft
- Piston and connecting rod
- 15 - Engine - Cylinder head, Valvetrain
- Cylinder head
- Chain drive
- Timing chain covers, assembly overview
- Left and right timing chain covers, removing and installing
- Timing chain lower cover, removing and installing
- Camshaft timing chain, assembly overview
- Camshaft timing chains, removing from camshafts
- Camshaft timing chain, removing and installing
- Timing mechanism drive chain, assembly overview
- Drive chain for timing mechanism, removing and installing
- Power take-off drive chain, assembly overview
- Power take-off drive chain, removing and installing
- Power take-off, assembly overview
- Power take-off seals, replacing
- Spur gear unit, removing and installing
- Valvetrain
- 17 - Engine - Lubrication
- Oil pump and lower part of oil pan
- Oil pan (upper section)
- Oil check valve, spray nozzle valve, oil filter housing, oil cooler, oil pressure switch
- Oil check valve and spray nozzle valve, assembly overview
- Oil check valve and spray nozzle valve, removing and installing
- Crankcase ventilation hose, removing and installing
- Oil filter housing, assembly overview
- Oil filter housing, removing and installing
- Oil cooler, removing and installing
- Oil Pressure Switch F1, removing and installing
- Oil pressure and oil pressure switch F1, checking
- Engine oil
- Oil level, checking
- 19 - Engine - Cooling system
- Cooling system
- Coolant pump, coolant thermostat, coolant pipes
- Coolant pump and coolant thermostat, assembly overview
- Coolant pump, removing and installing
- Map Controlled Engine Cooling Thermostat F265, removing and installing
- Coolant thermostat opening data
- Coolant pipes, assembly overview
- Engine Coolant Temperature (ECT) Sensor G62, removing and installing
- Front coolant line, removing and installing
- Rear coolant line, removing and installing
- Left coolant pipe, removing and installing
- Lower left coolant pipe, removing and installing
- Right coolant pipe, removing and installing
- Radiator and coolant fan
- 26 - Exhaust system, Emission controls
- Muffler
- Exhaust manifold
- Secondary air injection (AIR) system
- Principle and function
- Secondary air injection (AIR) system, assembly overview
- Secondary Air Injection (AIR) pump, removing and installing
- Combination valve for secondary air injection (AIR), checking function and for leaks
- Left combination valve for Secondary Air Injection, removing and installing
- Right combination valve for Secondary Air Injection, removing and installing
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.