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.
2003 Audi A6 Avant QuattroFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2003 Audi A6 Avant Quattro), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different variant/trim
- Section 1 (Removal & Installation - A/T (01L))
- Section 2 (Suspension - Rear, AWD)
- Section 3 (Servicing - A/T (01L))
- Section 4 (Servicing - A/T CVT (01J))
- Section 5 (Removal & Installation - A/T CVT (01J))
- Section 6 (Driveshaft & Universal Joints - 01E (AWD Transaxle))
- Section 7 (Overhaul - 01J (CVT))
- Section 8 (Overhaul - A/T 01L)
- Section 9 (Servicing - M/T (01E))
- Section 10 (Engine Mechanical - 2.7L V6 BITURBO - APB, Bel)
- Section 11 (Engine Cooling - 2.7L V6 BITURBO - APB, Bel)
- Section 12 (Exhaust System - 2.7L V6 BITURBO - APB, Bel)
- Section 13 (Engine Mechanical - 4.2L V8 - Art, Awn, BBD)
- Section 14 (Engine Cooling - 4.2L V8 - Art, Awn, BBD)
- Section 15 (Exhaust System - 4.2L V8 - Art, Awn, BBD)
- Section 16 (6 SPD. Manual Transmission - 01E)
- Section 17 (On Board Diagnostic (OBD) - A/T 01L)
- Section 18 (On Board Diagnostic (OBD) - 2.7L V6 BITURBO - APB, Bel)
- Section 19 (MULTIPORT Fuel Injection (MFI) - 2.7L V6 BITURBO - APB, Bel)
- Section 20 (Ignition System - 2.7L V6 BITURBO - APB, Bel)
- Section 21 (Fuel Supply, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 22 (Turbocharger, G-Charger, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 23 (MULTIPORT Fuel Injection (MFI), Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 24 (Exhaust System, Emission Controls, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 25 (Ignition System, Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 26 (On Board Diagnostic (OBD) - Generic Scan Tool - 2.7L V6 BITURBO - APB, Bel)
- Section 27 (On Board Diagnostic (OBD) - 4.2L V8 5V - Art, Awn)
- Section 28 (MULTIPORT Fuel Injection (MFI) - 4.2L V8 - Art, Awn)
- Section 29 (Ignition System - 4.2L V8 5V - Art, Awn)
- Section 30 (Fuel Supply, Generic Scan Tool - 4.2L V8 - Art, Awn, BBD)
- Section 31 (MULTIPORT Fuel Injection (MFI), Generic Scan Tool - 4.2L V8 - Art, Awn, BBD)
- Section 32 (Exhaust System, Emission Controls, Generic Scan Tool - 4.2L V8 - Art, Awn, BBD)
- Section 33 (Ignition System, Generic Scan Tool - 4.2L - Art, Awn, BBD)
- Section 34 (On Board Diagnostic (OBD) - Generic Scan Tool - 4.2L V8 5V - Art, Awn, BBD)
- Section 35 (Clutches - 01E)
- Section 36 (6 SPD. Manual Transmission - 01E - Transmission Removal)
- Different car
- Section 1 (Generators & Regulators)
- Section 2 (Suspension - Rear, Fwd)
- Section 3 (Generators & Regulators)
- Section 4 (Starters)
- Section 5 (Suspension - Rear, AWD)
- Section 6 (Engine Mechanical - 2.8L V6 Aha, ATQ)
- Section 7 (Engine Cooling - 2.8L V6, Aha, ATQ)
- Section 8 (Suspension - Rear, Fwd)
- Section 9 (Servicing - A/T (01V))
- Section 10 (Removal & Installation - A/T (01V - With 2.8L))
- Section 11 (Exhaust System, Emission Controls - 2.8L V6 Aha, ATQ)
- Section 12 (4.2L V8 5V Bi-Turbo (Engine Code: BCY))
- Section 13 (Engine Cooling - 4.2L V8 5V Bi-Turbo - BCY)
- Section 14 (Exhaust System, Emission Controls - 4.2L V8 5V BITURBO - BCY)
- Section 15 (4.2L V8 5V (Engine Code: BAS)
- Section 16 (Engine Cooling - 4.2L V8 5V - BAS)
- Section 17 (Exhaust System, Emission Controls - 4.2L V8 5V - BAS)
- Section 18 (On Board Diagnostic (OBD) - Up To 2000)
- Section 19 (Instruments - Up To 2000)
- Section 20 (Windshield Wiper And Washer System - Up To 2000)
- Section 21 (Lights, Switches-Exterior - Up To 2000)
- Section 22 (Lights, Switches-Interior, Anti-Theft - Up To 2000)
- Section 23 (On Board Diagnostic (OBD) - 4.2L V8 5V - BBD)
- Section 24 (MULTIPORT Fuel Injection (MFI) - 4.2L V8 5V - BBD)
- Section 25 (Ignition/Glow Plug System - 4.2L V8 5V - BBD)
- Section 26 (On Board Diagnostic (OBD) - 4.2L V8 5V - BCY)
- Section 27 (MULTIPORT Fuel Injection (MFI) - 4.2L V8 5V - BCY)
- Section 28 (Ignition System - 4.2L V8 5V BCY)
- Section 29 (On Board Diagnostic (OBD) - 2.8L V6 Aha)
- Section 30 (MULTIPORT Fuel Injection (MFI) - 2.8L V6 Aha)
- Section 31 (Ignition System - 2.8L V6 Aha)
- Section 32 (On Board Diagnostic (OBD) - 2.8L V6 ATQ)
- Section 33 (MULTIPORT Fuel Injection (MFI) - 2.8L V6 ATQ)
- Section 34 (Ignition System - 2.8L V6 ATQ)
- Section 35 (On Board Diagnostic (OBD), Generic Scan Tool - 2.8L V6 Aha, ATQ)
- Section 36 (Fuel Supply, Generic Scan Tool - 2.8L V6 Aha, ATQ)
- Section 37 (MULTIPORT Fuel Injection (MFI), Generic Scan Tool - 2.8L V6 Aha, ATQ)
- Section 38 (Exhaust System, Emission Control, Generic Scan Tool - 2.8L V6 Aha, ATQ)
- Section 39 (Ignition/Glow Plug System, Generic Scan Tool - 2.8L V6 Aha, ATQ)
- Section 40 (MULTIPORT Fuel Injection (MFI) - 4.2L V8 5V - BAS)
- Section 41 (Ignition System - 4.2L V8 5V - BAS)
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:
- • 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.