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 MANUALSAUDI2004A4 BASE, 4D SEDAN, 3.0 TREPAIR AND DIAGNOSISDRIVELINES & AXLESAXLE SHAFTSSUSPENSION, WHEELS, STEERING
2004 Audi A4 Base, 4D Sedan, 3.0 T
Suspension, Wheels, Steering
2004 Audi A4 Base, 4D Sedan, 3.0 TSECTION Suspension, Wheels, Steering
- 00 - Technical data
- 40 - Front suspension
- Front suspension, servicing
- Suspension strut
- Wheel bearing housing
- Light weight wheel hub
- Mounting bracket and upper links
- Subframe
- Tunnel crossmember
- Vehicles with automatic headlight vertical aim control, vehicle level sensor
- Lower control link
- Guide link
- Stabilizer bar
- Cross brace
- Front diagonal braces, removing and installing
- Front drive axle, servicing
- Drive axle with triple roller joint AAR 2000, servicing
- Peened triple roller joint AAR 2600 i or 3300 i, disassembling and assembling
- Drive axle with constant velocity inner joint (diameter 100 mm), servicing
- Drive axle with constant velocity inner joint (diameter 108 mm), servicing
- 42 - Rear suspension
- Rear axle component allocation
- General information
- Wheel bearing, lifting to curb weight position
- Component groups
- Part I, Subframe - front wheel drive
- Part II, Subframe - all wheel drive
- Part III, Trapezoidal control arm, transverse link, tie rod
- Part IV, Stub axle carrier - front wheel drive
- Part V, wheel bearing housing (steel) - all wheel drive
- Part VI, Stabilizer bar
- Part VII, Wheel bearing housing (aluminum) - all wheel drive
- Vehicle level sensor in vehicles with automatic headlight vertical aim control
- Rear coil spring
- Strut
- Stub axle carrier/wheel bearing housing and wheel bearing unit
- Stub axle carrier/wheel bearing housing (steel), removing and installing
- Stub axle carrier - front wheel drive, servicing
- Wheel bearing housing (steel) - all wheel drive, servicing
- Wheel bearing (with wheel bearing housing (steel) installed - all wheel drive), removing and installing
- Bolted wheel bearing unit, removing and installing
- Wheel bearing housing (aluminum) - all wheel drive, removing and installing
- Light weight wheel hub
- Transverse link
- Trapezoidal control arm
- Rear subframe
- Tie rod
- Stabilizer bar
- Diagonal braces
- Rear drive axle, servicing
- Rear axle component allocation
- 43 - Self-leveling suspension
- 44 - Wheels, tires, vehicle alignment
- Wheels, tires
- Tire Pressure Monitoring System
- General information
- Tire Pressure Monitoring System, component overview
- Wheel electronics, assembly overview
- Changing tires
- Metal valve body, removing and installing
- Tire Pressure Monitoring Control Module J502 , removing and installing
- Rear Tire Pressure Monitoring System antenna, removing and installing
- Tire Pressure Monitoring System, system usage
- Wheel alignment
- General information
- Test Requirements:
- Specifications for wheel alignment
- Measurement preparations
- Application of adapters to suspension for measurement
- Mechanical steering rack center position, checking
- Front axle camber, checking and adjusting if necessary
- Rear axle camber, adjusting
- Toe at rear axle, adjusting
- Front axle toe-in curve, adjusting
- Vehicle, bringing into initial position for measurement
- Vehicle, lifting with suspension 1BA, 1BR, 1BE, 1BV, 1BD, 2MC, 2ME
- Toe constant "S" , adjusting
- Front axle toe, adjusting
- 48 - Steering
- Steering wheel with airbag
- Steering column
- Power-assist steering gear
- Power steering gear, adjusting
- Servotronic steering gear
- Tie rod ball joint and tie rod
- Checking oil level, bleeding steering system, checking for leaks
- Power steering pump, reservoir and hydraulic lines, assembly overview
- Power steering pump delivery pressure, checking
- Power steering pump, removing and installing
- Intake hose
RENDER: 1.0x
NO RELATED
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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.