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 MANUALSAUDI2005A6 3.2 TREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2 (1.8L - TURBO ENGINE MECHANICAL, ENGINE CODE(S): AMB)
2005 Audi A6 3.2 T
Section 2 (1.8L - Turbo Engine Mechanical, Engine Code(S): AMB)
2005 Audi A6 3.2 TSECTION Section 2 (1.8L - Turbo Engine Mechanical, Engine Code(S): AMB)
WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.
- 00 - General, Technical Data
- 10 - Engine - Assembly
- 13 - Engine - Crankshaft, Cylinder Block
- Engine, disassembling and assembling
- Engine, disassembling and assembling
- Lock carrier, moving to service position
- Lock carrier in service position, overview
- Ribbed belt for generator, vane pump and air conditioner compressor
- Ribbed belt, removing and installing
- Bracket for generator, power steering pump and air conditioning compressor, removing and installing
- Toothed belt drive, overview
- Toothed drive belt, removing, installing and tensioning
- Toothed drive belt, removing from camshaft sprocket
- Sealing flanges and flywheel/drive plate, removing and installing
- Crankshaft, removing and installing
- Pistons and connecting rods, disassembling and assembling
- Engine, disassembling and assembling
- 15 - Engine - Cylinder head, Valvetrain
- Cylinder head, removing and installing
- Valve gear, servicing
- Camshaft timing control, checking
- 17 - Engine - Lubrication
- 19 - Engine - Cooling system
- Cooling system components, removing and installing
- 21 - Turbocharger, G-Charger
- Charge air pressure system with turbocharger, checking
- Charge air pressure system with turbocharger, checking
- Safety precautions
- Boost pressure regulation and vacuum control system, connection diagram for vehicles up to 06.03
- Boost pressure regulation and vacuum control system, connection diagram for vehicles as of 07.03
- Turbocharger and charge pressure control valve, checking
- Effects of leakage at intake and exhaust end
- Charge pressure leak test with VAG1687
- Intake system, checking for leaks using Diagnostic Tool VAG1687
- Notes
- Special tool VAG1687 Charge air system tester preliminary set-up
- Special tool VAG 1687/1 pressure adapter, installing (1.8L Turbo)
- Special tool KLI9210 (Evaporative system leak detector), connecting to 1.8L Turbo
- Special tool LKI9210 (Evaporative system leak detector), preliminary set-up
- Special tool VAG1687 , connecting to pressure adapter VAG1687/1 (1.8L Turbo)
- Performing pressure test
- Effects of leakage at exhaust end
- Mechanical air recirculation valve, checking
- Recirculating valve for turbocharger N249 , checking
- Wastegate bypass regulator valve N75 , checking
- Charge air pressure sensor G31 , checking
- Intake system, checking for leaks using Diagnostic Tool VAG1687
- Charge air system with turbocharger, servicing
- Charge air pressure system with turbocharger, checking
- 26 - Exhaust system, Emission controls
- Exhaust system components, servicing
- Exhaust system components, servicing
- Exhaust system components, removing and installing (Front wheel drive vehicles)
- Exhaust system components, removing and installing (All wheel drive vehicles)
- Center and rear mufflers, separating
- Exhaust manifold, removing and installing
- Catalytic converter, removing and installing
- Front exhaust pipe, removing and installing
- Exhaust system - vehicles with front wheel drive, aligning stress-free
- Exhaust system - vehicles with all wheel drive, aligning stress-free
- Exhaust system, checking for leaks
- Secondary air system, checking
- Secondary air system, checking
- Secondary Air Injection (AIR) solenoid valve N112 , checking
- Secondary Air Injection (AIR) pump relay J299 and Secondary Air Injection (AIR) pump motor V101 , checking
- Function and tightness of secondary air combination valve, checking
- Secondary air combination valve, removing and installing
- Exhaust system components, servicing
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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.