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 MANUALSAUDI2004A6 QUATTRO SEDAN (4B2) V8-4.2L (AWN)REPAIR AND DIAGNOSISMAINTENANCESERVICE INTERVALSNORMAL SERVICE75000 MI OR 120000 KM
2004 Audi A6 Quattro Sedan (4B2) V8-4.2L (AWN)
75000 MI or 120000 KM
2004 Audi A6 Quattro Sedan (4B2) V8-4.2L (AWN)SECTION 75000 MI or 120000 KM
Lubricate
Sunroof / Moonroof Track
Doors
Reset
Service Reminder Indicators
Diagnose/Test
Vehicle
Road Test: Check braking, kick down, steering, electrical, heating and ventilation systems, air conditioning, (ASL) Automatic Shift Lock and power accessories.
Data Link Connector
On board diagnosis, check fault memory.
Inspect
Washer Fluid
Add fluid if necessary
Tires
Steering and Suspension
Check dust seals on ball joints and tie rod ends. Check tie rods.
Power Steering Fluid
Manual Transmission/Transaxle
Manual transmission and final drive: Check for leaks.
Lighting and Horns
Check all lights. Check headlight adjustment.
Fluids
Check for leaks.
Exhaust System
Check for damage and leaks.
Differential Assembly
Check for leaks.
Coolant
Check coolant level: Add coolant if necessary
Constant Velocity Joint Boot
Check axle for excessive play.
Brakes and Traction Control
Check for damage and leaks. Check thickness of pads and brake fluid level.
Battery
Check and replace if necessary
Automatic Transmission/Transaxle
Automatic transmission and final drive: Check for leaks.
Replace
Timing Belt
Spark Plug
Oil Filter, Engine
Engine Oil
Drive Belt
Cabin Air Filter / Purifier
Air Filter Element
Clean housing.
Sunroof / Moonroof Track
Doors
Reset
Service Reminder Indicators
Diagnose/Test
Vehicle
Road Test: Check braking, kick down, steering, electrical, heating and ventilation systems, air conditioning, (ASL) Automatic Shift Lock and power accessories.
Data Link Connector
On board diagnosis, check fault memory.
Inspect
Washer Fluid
Add fluid if necessary
Tires
Steering and Suspension
Check dust seals on ball joints and tie rod ends. Check tie rods.
Power Steering Fluid
Manual Transmission/Transaxle
Manual transmission and final drive: Check for leaks.
Lighting and Horns
Check all lights. Check headlight adjustment.
Fluids
Check for leaks.
Exhaust System
Check for damage and leaks.
Differential Assembly
Check for leaks.
Coolant
Check coolant level: Add coolant if necessary
Constant Velocity Joint Boot
Check axle for excessive play.
Brakes and Traction Control
Check for damage and leaks. Check thickness of pads and brake fluid level.
Battery
Check and replace if necessary
Automatic Transmission/Transaxle
Automatic transmission and final drive: Check for leaks.
Replace
Timing Belt
Spark Plug
Oil Filter, Engine
Engine Oil
Drive Belt
Cabin Air Filter / Purifier
Air Filter Element
Clean housing.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.