Home/Audi/TT/Audi TT 8N facelift (2003-2006)/Repair manual/Suspension, Wheels, Steering/Procedure

Contents

Wiring diagrams Section: Suspension, Wheels, Steering

Damaged threads, repairing

Front gas-filled struts, emptying

Rear gas-filled struts, emptying

Leaking shock absorbers

Noisy shock absorbers

Shock absorbers, checking when removed from vehicle

Threads in longitudinal member, repairing

Stabilizer bar, removing and installing

Vehicle level sensor in vehicles with automatic headlight range control

Ball joint, checking

Ball joint, removing and installing

Control arm, removing and installing

Control arm bushings, replacing

Subframe, removing and installing

Subframe bushings, replacing

Drive axle / wheel hub splines

Procedure

Vehicles with drive shaft secured by flange bolt

Procedure for installing flange bolt

Front wheel bearing, pressing out and in (with wheel bearing housing installed)

Pulling out wheel bearing

Pressing in wheel bearing

Removing and installing wheel bearing housing

Front wheel bearing, pressing out and in (with wheel bearing housing removed)

Removing suspension strut from wheel bearing housing

Drive axle, removing and installing (version with bolted flange on inner joint)

Drive axle, removing and installing (version with splines on inner joint)

Outer Constant Velocity (CV) joint, checking

Inner Constant Velocity (CV) joint, checking

Removing outer constant velocity (CV) joint

Venting CV boot

Drive axle with triple roller joint AAR 3300i, servicing (bolted flange / splines on inner joint)

Removing outer constant velocity joint

Venting rubber boot

Removing

Installing

Rear axle, removing and installing

Shock absorber/spring, removing and installing

Wheel bearing/wheel hub unit, removing and installing

Removing brake caliper

Diagonal strut, removing and installing

Spring, removing and installing

Shock absorber, removing and installing

Exhaust system, checking for leaks

Wheel bearings, removing and installing

Ball joints, removing and installing

Vehicles with 1KF brake system

Vehicles with 1KE brake system

Setting position of mounting bracket in relation to trailing arm

Transverse links, removing and installing

Removing sensor

Installing sensor

Sequence for left side of vehicle

Installing transverse links

Drive axles, removing and installing

Installing drive axle

Pressing off inner constant velocity joint

Pressing on inner constant velocity joint

Wheels and tires

Wheels, balancing on vehicle

Wheels, instructions for changing/installing

Rear axle camber values as a function of suspension height

Requirements

Explanation on weight codes (PR Numbers)

Measurement procedure

Camber at rear wheels, checking (Front Wheel Drive (FWD) vehicles)

Camber at rear wheels, adjusting (All Wheel Drive (AWD) vehicles)

Toe setting at rear wheels, centering (Front Wheel Drive (FWD) vehicles)

Toe at front wheels, adjusting

Steering column, checking for damage

Safety precautions when working on airbags

Airbag module, removing and installing

Required procedures after servicing vehicle

Steering wheel with airbag, removing and installing

Return spring with slip ring and steering angle sensor G85, removing and installing

Steering column, removing and installing

Ignition lock housing, removing and installing

Front Wheel Drive (FWD) and All Wheel Drive (AWD) vehicles

Tie rod ends, removing and installing

Power steering gear, removing and installing

Power steering gear (ZF), servicing

Checking center position of steering gear

Installing boot

Power steering gear (ZF), adjusting

Removing ribbed belt

Installing ribbed belt

Pressure switch for power steering, checking

Vehicles with low-mounted pump

All sections

Procedure Audi TT 8N facelift

Suspension, Wheels, Steering

Procedure

Condition of components on vehicle, as installed	Wheel hub being replaced?	Procedure during assembly
Drive axle is bonded to wheel hub	Not replaced	Thoroughly clean adhesive residue from splines of drive axle and wheel hub. Apply locking fluid D 185 400 A2. Tighten 12-point nut to 265Nm.
Drive axle and wheel hub are greased	Not replaced	Apply grease G 052 142 A2. Tighten 12-point nut to 190Nm plus an additional 90° 1 / 4 turn.
Drive axle is bonded to wheel hub	Replaced	If 8N0 407 613 A or B is being installed: Thoroughly clean adhesive residue from splines of drive axle. Apply grease G 052 142 A2. Tighten 12-point nut to 190Nm plus an additional 90° 1 / 4 turn. If 8N0 407 613 is being installed: Thoroughly clean adhesive residue from splines of drive axle. Apply locking fluid D 185 400 A2. Tighten 12-point nut to 265Nm.
Drive axle and wheel hub are greased	Replaced	Install 8N0 407 613 A or B only: Apply solid grease G 052 142 A2. Tighten 12-point nut to 190Nm plus an additional 90° 1 / 4 turn.