Anti-Lock Brake System Audi A4 B6

ABS repair work notes

Note. Before carrying out repair work on the anti-lock brake system, determine the cause of the problem with the aid of On Board Diagnostic (OBD). When installing a new hydraulic control module, always check its coding. See Guided Fault Finding in VAS 5051 Switch off the ignition before removing and installing components. If the vehicle is equipped with a coded radio, obtain the security code before disconnecting the ground (GND) strap from the battery. Observe the relevant safety precautions and information when handling brake fluid. If hydraulic system has to be opened, bleed the braking system after the work is finished (use VAS 5234). See BLEEDING BRAKE SYSTEM . In addition, a high- and low-pressure test should be carried out on the brake system. During the concluding road test, ensure that an ABS-controlled brake application is carried out at least once (can be felt from the pulsing of the brake pedal). See Guided Fault Finding in VAS 5051 Absolute cleanliness is required when working on anti lock brake system, and it is not permitted to use any products which contain mineral oil, such as oil, grease etc. Thoroughly clean all unions and the adjacent areas before undoing them, but do not use aggressive cleaning agents such as brake cleaner, gasoline, thinners or similar. Place removed parts on a clean surface and cover. Carefully cover or seal open components if repairs cannot be carried out immediately. (Use plugs, repair set H0 698 311 A). Only use lint-free cloths. Do not remove replacement parts from their wrapping until you are ready to install them. Only use genuine parts in their original packaging. When the system is open do not work with compressed air and do not move the vehicle. Ensure that no brake fluid enters plug connectors.

ABS/ESP system, component overview

The following list pertains to (Scheme 1).

1. Bracket for hydraulic control unit Removing and installing, see «HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
2. Vacuum pump for brake servo Only on gasoline engines in conjunction with an automatic transmission
3. ABS Control Module (w/EDL) -J104- ABS Hydraulic Unit -N55- and ABS Control Module (w/EDL) -J104- (only on Bosch 5.7) form the hydraulic control unit. Removing and installing, see «HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
4. ABS Hydraulic Unit -N55- with ABS Control Module (w/EDL -J104- ABS Hydraulic Unit -N55 and ABS Control Module (w/EDL) -J104 (only on Bosch 5.7) form the hydraulic control unit. Removing and installing, see «HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
5. Sender 1 for brake booster -G201- Bolted onto hydraulic control unit
6. ABS Hydraulic Unit -N55- with ABS Control Module (w/EDL -J104
7. Rotor for right front speed sensor Checking, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle)
8. Right Front ABS Wheel Speed Sensor -G45- Removing and installing, see «REMOVING AND INSTALLING SPEED SENSOR ON FRONT AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
9. Brake Fluid Level Warning Switch -F34
10. Instrument cluster
11. Anti-Slip Control Switch -E132- Location: on the center console
12. Steering angle sender -G85- for ESP Location: Installed on the steering column See appropriate Air Bag Restraint System article. Performing zero position compensation See Guided Fault Finding in VAS 5051
13. Sensor for transverse acceleration -G200 and sender for rotation Rate -G202- Location: underneath the radio Removing and installing, see «SENSOR FOR TRANSVERSE ACCELERATION -G200- AND SENDER FOR ROTATION RATE -G202, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__sensor-for-transverse-acceleration-g200-and)
14. Parking Brake Warning Light Switch -F9- Location: on the parking brake lever assembly
15. Rotor for right rear speed sensor Checking: FWD, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) AWD, see «REMOVING AND INSTALLING SPEED SENSOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
16. Right Rear ABS Wheel Speed Sensor -G44- Removing and installing: FWD, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) AWD, see «REMOVING AND INSTALLING SPEED SENSOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
17. Left Rear ABS Wheel Speed Sensor -G46- Removing and installing: FWD, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) AWD, see «REMOVING AND INSTALLING SPEED SENSOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
18. Rotor for left rear speed sensor Checking: FWD, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) AWD, see «REMOVING AND INSTALLING SPEED SENSOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
19. Traction Control Indicator Light-K86- Installation location: in instrument cluster For further information refer to the Owner's Manual
20. ABS warning light -K47- Installation location: in instrument cluster For further information refer to the Owner's Manual
21. Warning light for brake system-K118- Location: in instrument cluster in driver information system For further information refer to Owner's Manual
22. Brake light switch -F- Removing and installing the brake light switch, see «BRAKE LIGHT SWITCH, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__brake-light-switch-removing-and-installing) Adjusting, see «BRAKE LIGHT SWITCH, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__brake-light-switch-removing-and-installing)
23. Rotor for front left speed sensor Checking, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle)
24. Left Front ABS Wheel Speed Sensor -G47- Removing and installing, see «REMOVING AND INSTALLING SPEED SENSOR ON FRONT AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)

A traction control system (TCS) may also be installed as an optional extra on front wheel drive vehicles.

The ABS is split diagonally. The brake servo assist is provided pneumatically by vacuum brake servo unit.

Hydraulic unit and control module form a single unit. It is termed the hydraulic control unit.

Scheme 1

The direct connection between these components reduces possible sources of malfunctions. There is no provision for repairing the hydraulic control unit, it must be replaced if faulty.

The bolts that connect the individual components of the hydraulic unit must not be loosened.

Hydraulic unit and brake lines

The following list pertains to (Scheme 3).

1. Brake master cylinder and brake servo
2. Brake line Brake master cylinder/push rod piston circuit to hydraulic unit Tightening torque: 20 Nm
3. Brake line Brake master cylinder/floating piston circuit to hydraulic unit Tightening torque: 20 Nm
4. Brake line Hydraulic unit to left front brake caliper Tightening torque: 12 Nm
5. Brake line Hydraulic unit to right front brake caliper Tightening torque: 12 Nm
6. Brake line Hydraulic unit to right rear brake caliper Tightening torque: 12 Nm
7. Brake line Hydraulic unit to left rear brake caliper Tightening torque: 12 Nm
8. Sender 1 for brake booster -G201- Bolted onto hydraulic control unit Removing and installing, see «SENDER 1 FOR BRAKE BOOSTER -G201-, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__sender-1-for-brake-booster-g201)
9. ABS Hydraulic Unit -N55- with ABS Control Module (w/EDL) -J104- Removing and installing, see «HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
10. Locking clip
11. Buffer (4x)
12. Vacuum pump Removing and installing, see «HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system)
13. Buffer (1x)
14. Hex bolt, 10 Nm (3x)
15. Bracket

Special tools and equipment

1. Plug repair set, Part no. 1H0 698 311A
2. Brake pedal depressor, e.g. from VAG 1813

Removing

Installation location

Scheme 2

The hydraulic control unit is installed on left hand side of engine compartment.

See Caution before beginning repairs on the electrical system . See ANTI-LOCK BRAKE SYSTEM, GENERAL INFORMATION .

1. Disconnect battery.
2. Unlatch connector from control unit in direction of (arrow) and pull it off.
3. Insert brake pedal depressor between brake pedal and driver's seat. Depress the brake pedal by at least 60 mm.

Note. The brake pedal depressor must remain in position until all the brake lines have been reconnected to the hydraulic unit. Protect engine compartment against escaping brake fluid.

1. Unscrew brake line connections on hydraulic unit.
2. Undo bolt -1- and pull coolant expansion tank out toward front (arrow), and swivel coolant expansion tank to one side.
3. Tightening torque: 6 Nm.
4. Seal brake lines and threaded holes with plugs from repair kit Part No. 1H0 698 311 A.

Note. Protect plenum chamber and engine compartment against any escaping brake fluid.

1. Unscrew and remove lines -1-, -2- and -3-.

Note. From model year 2002 onward a flexible hose is installed between the lines. In earlier vehicles the brake lines must be disconnected from brake servo.

Scheme 3

1. Detach brake lines -1- and -2- and seal with dummy plugs from repair kit, Part No. 1H0 698 311 A.
2. Detach plug connections -1-.
3. Unclip brake lines from holder -2-.
4. Release locking clip from below -1- and pull it out in direction of (arrow).
5. Remove hydraulic control unit.

Installing

Pay special attention to the following on installation

Note. Only remove sealing plugs on new hydraulic control unit when the corresponding brake line is about to be installed. If the sealing plugs are removed too early, brake fluid can escape, it can no longer be guaranteed that the unit is sufficiently filled or adequately bled.

1. Bleeding brake system, see «BLEEDING BRAKE SYSTEM»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes)
2. Enter radio code.

See Caution for connecting Telematics battery . See ANTI-LOCK BRAKE SYSTEM, GENERAL INFORMATION

1. Connect battery ground (GND) strap.

TIGHTENING TORQUE: HYDRAULIC CONTROL UNIT

Brake light switch, removing and installing

Note. The brake light switch can only be installed once. A new switch must always be installed if the old switch is removed.

1. Before installing switch, completely pull out plunger to full extension.
2. The pedals must not be depressed during installation procedure.
3. Guide switch into "keyholes" in mounting bracket.

Note. Guide the locating tabs -1- and -2- into the designated cut-outs. The plunger adjusts itself automatically when the brake light switch is inserted.

1. Secure switch by turning it 45° to the right. This action also turns the plunger shoe into the correct orientation to make electrical contacts in switch operate as well as locks in plunger adjustment.
2. Connect brake light switch connector.

Sensor for transverse acceleration -G200- and sender for rotation rate -G202, removing and installing

Note. The senders -G202- and -G200- are located in a shared housing.

1. Remove center console extension. For Cabriolet models, see «CENTER CONSOLE, ASSEMBLY OVERVIEW»(ref-197209-S20028257652005101300000) . For models other than Cabriolet, see «CENTER CONSOLE, ASSEMBLY OVERVIEW»(/audi/a4/b6-2000-2006/remont/mirrors/#interior-equipment-except-cabriolet__center-console-assembly-overview) .
2. Item no. 3, ESP sender
3. Item no. 1, A/C control module

The ESP sender is located in center console underneath ashtray.

Scheme 4

1. The wiring connection for the ESP sender is located behind a large wiring harness.
2. Disconnect plug (arrow) for ESP sender
3. Unscrew acorn nuts -2- (2x

Tightening torque for screws 10 Nm.

The remaining installation steps are carried out in the reverse sequence

1. Install center console extension.

For Cabriolet models, see CENTER CONSOLE, ASSEMBLY OVERVIEW . For models other than Cabriolet, see CENTER CONSOLE, ASSEMBLY OVERVIEW .

Sender 1 for brake booster -G201-, removing and installing

Note. The Sender 1 for brake booster is located directly on the hydraulic control unit

1. Protect engine compartment against escaping brake fluid.

Scheme 5

1. Undo retaining bolt -1- and pull coolant expansion tank out toward front (arrow). Then swivel coolant expansion tank to one side. Tightening torque: 6 Nm.
2. Detach plug connections.
3. Unscrew Sender 1 for brake booster -4-.

The remaining installation steps are carried out in the reverse sequence

1. Bleed brake system. See «BLEEDING BRAKE SYSTEM»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes) .
2. Perform ESP road test.

See Guided Fault Finding in VAS 5051 .

ABS system components on front axle, removing and installing

The following list pertains to see scheme 18.

1. Hex socket-head bolt Tightening torque: 10 Nm
2. Speed sensor Identical part on left and right Removing and installing, see «REMOVING AND INSTALLING SPEED SENSOR ON FRONT AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system) Plug connection for speed sensor, see «REMOVING AND INSTALLING SPEED SENSOR ON FRONT AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system) Grease all around with lubricating paste G 000 650 before inserting in wheel bearing housing Press home in wheel bearing housing
3. Drive axle with rotor Inspect rotor for signs of dirt and damage. See «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) . If the rotor is damaged, replace the outer CV joint together with the rotor: See «AXLE SHAFTS - FRONT & REAR»(/audi/a4/b6-2000-2006/remont/axle-shafts/#axle-shafts-front-rear) . Outer CV joint is supplied as a replacement part with the rotor.
4. Speed sensor wire Attach using the designated retainers
5. Hex socket-head bolt Always replace Different versions, see Parts catalog Vehicle must be standing on the ground when tightening this bolt. Tightening torque: See «AXLE SHAFTS - FRONT & REAR»(/audi/a4/b6-2000-2006/remont/axle-shafts/#axle-shafts-front-rear) .

1. Unfasten wheel bolts.
2. Raise vehicle.
3. Remove wheel.
4. Unclip speed sensor wiring from retainers -1-.
5. Unclip the speed sensor wiring from the retainers -1-.
6. Disconnect plug connection of speed sensor wiring -2-.
7. Unclip speed sensor wiring from retainers -2-.
8. Detach grommet -1- from wheel housing.
9. Pull ABS speed sensor from wheel bearing housing.
10. Detaching connector.

1. Before inserting the speed sensor, install the sealing collar and coat speed sensor all around with lubricating paste G 000 650.
2. Install ABS speed sensor.
3. Clip speed sensor wiring into retainers and install grommet in wheel housing.
4. Install wheels and tighten to 120 Nm.
5. Turn steering to full left lock and full right lock and check clearance of speed sensor wiring.

Checking rotor on front axle, removing and installing if necessary

1. Raise vehicle.
2. Remove wheel.
3. Pull speed sensor out of wheel bearing housing.
4. Inspect rotor for signs of damage or dirt.

Note. If the rotor is damaged or dirty remove the drive axle. In the event of damage, replace outer CV joint together with rotor: The outer CV joint is supplied as a replacement part with the rotor.

See SUSPENSION - FRONT and AXLE SHAFTS - FRONT & REAR .

ABS system components on rear axle (FWD models), removing and installing

The following list pertains to see scheme 22.

1. Clamping sleeve Removing and installing, see «REAR BRAKE CALIPER»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes)
2. Wheel hub with rotor Removing and installing, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) See «WHEEL BEARING HOUSING»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
3. Collar bolt Vehicle must be standing on the ground when tightening this bolt. Always replace For tightening torques refer to See «WHEEL BEARING HOUSING»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
4. Brake disc Always replace on both sides of the car Remove brake caliper prior to removing. See «REAR BRAKE CALIPER»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes) .
5. Wheel bolt Vehicle must be standing on the ground when tightening this bolt. Mounting wheels Tightening torque: 120 Nm
6. Wheel bearing housing Removing and installing: See «WHEEL BEARING HOUSING»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
7. Wheel speed sensor Identical part on left and right Removing and installing, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) Grease all around with lubricating paste G 000 650 before inserting in wheel bearing housing Press home in wheel bearing housing. Release plug connection of wheel speed sensor cable and separate. Unclip speed sensor wiring
8. Hex socket-head bolt Tightening torque: 10 Nm
9. Hex socket-head bolt Always replace Tightening torque: 75 Nm

Scheme 6

1. Unfasten wheel bolts.
2. Raise vehicle.
3. Remove wheel.
4. Switch off ignition.
5. Unscrew hex bolt -2-.
6. Pull speed sensor -1- out of wheel bearing housing.
7. Undo Torx bolt -3- and pull out cable holder.
8. Unscrew hex bolt -1-.
9. Undo Torx bolt -2- and pull out cable holder.
10. Unclip speed sensor wiring from retainers.
11. Detach underbody cover panel (arrow)
12. Lift rear seat out of its catches.
13. Release cable holder -1-, disconnect plug connection for speed sensor cable, and press out grommet (left and right-hand sides are mirror images).

Install in reverse order.

1. Grease O-ring of speed sensor all around with lubricating paste G 000 650 before inserting.

Checking rotor on rear axle

1. Raise vehicle.
2. Remove wheel.
3. Unscrew the speed sensor out of the wheel bearing housing.
4. Inspect rotor for signs of damage or dirt.

Removing and installing rotor on rear axle

Note. This procedure applieds to FWD vehicles.

1. Raise vehicle.
2. Remove wheel.
3. Remove the brake caliper. See «REAR BRAKE CALIPER»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes) .
4. Hang brake caliper to body.
5. Inspect rotor for signs of damage or dirt.
6. If the rotor is damaged, remove and replace the wheel hub with rotor.
7. Removing and installing wheel hub

See WHEEL BEARING HOUSING .

Install in reverse order of removal.

1. Route speed sensor cable back into its original position.
2. Grease O-ring of speed sensor all around with lubricating paste G 000 650 before inserting.

ABS system components on rear axle (AWD models), removing and installing

1. Rear brake caliper Removing and installing, see «REAR BRAKE CALIPER»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes)
2. Wheel hub Removing and installing, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) See «SUSPENSION - REAR»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
3. Collar bolt Vehicle must be standing on the ground when tightening this bolt. Always replace For tightening torques refer to See «SUSPENSION - REAR»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
4. Brake disc Always replace on both sides of car Remove brake caliper prior to removing
5. Wheel bolt Vehicle must be standing on the ground when tightening this bolt. Mounting wheels Tightening torque: 120 Nm
6. Wheel bearing Removing and installing, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) See «SUSPENSION - REAR»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
7. Outer wheel bearing Removing and installing: See «SUSPENSION - REAR»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) .
8. Speed sensor Identical part on left and right Removing and installing, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system__checking-rotor-on-rear-axle) Grease all around with lubricating paste G 000 650 before inserting in wheel bearing housing Press home in wheel bearing housing Release plug connection of wheel speed sensor cable and separate. Unclip speed sensor wiring
9. Hex socket-head bolt Tightening torque: 10 Nm
10. Drive axle with rotor Inspect rotor for signs of dirt and damage, see «CHECKING ROTOR ON REAR AXLE»(/audi/a4/b6-2000-2006/remont/anti-locktraction-control/#anti-lock-brake-system) Replace outer CV joint if the rotor is damaged. See «SUSPENSION - REAR»(/audi/a4/b6-2000-2006/remont/suspension-rear/#suspension-rear) and «AXLE SHAFTS - FRONT & REAR»(/audi/a4/b6-2000-2006/remont/axle-shafts/#axle-shafts-front-rear) . Outer CV joint is supplied as replacement part with rotor
11. Hex socket-head bolt Always replace Tightening torque: 75 Nm

Removing and installing speed sensor on rear axle

Note. This procedure applieds to AWD vehicles.

Scheme 7

1. Unfasten wheel bolts.
2. Raise vehicle.
3. Remove wheel.
4. Switch off ignition.
5. Unscrew hex bolt -1-.
6. Pull speed sensor out of wheel bearing housing.
7. Undo Torx bolt -3- and pull out cable holder.
8. Unscrew hex bolt -1-.
9. Undo Torx bolt -2- and pull out cable holder.
10. Unclip speed sensor wiring from retainers.
11. Detach the underbody cover panel (arrow)
12. Lift rear seat out of its catches.
13. Release cable holder -1-, disconnect plug connection of speed sensor cable and press out grommet (left and right-hand sides are mirror images).

Install in reverse order.

1. Grease the O-ring of the speed sensor all around with lubricating paste G 000 650 before inserting.

1. Raise vehicle.
2. Remove wheel.
3. Unscrew the speed sensor out of the wheel bearing housing.
4. Inspect rotor for signs of damage or dirt.

Note. This procedure applieds to AWD vehicles.

1. Raise vehicle.
2. Remove wheel.
3. Remove brake caliper. See «REAR BRAKE CALIPER»(/audi/a4/b6-2000-2006/remont/mechanical-hydraulic/#disc-brakes) .
4. Hang brake caliper to body.
5. Inspect rotor for signs of damage or dirt.
6. If the rotor is damaged, remove drive axle with rotor and replace the outer CV joint.
7. Removing and installing drive axle

See AXLE SHAFTS - FRONT & REAR .

Install in reverse order of removal.

1. Route speed sensor cable back into its original position.
2. Grease O-ring on speed sensor all around with lubricating paste G 000 650 before inserting.

Note. If the rotor is damaged or dirty remove drive axle. In the event of damage, replace outer CV joint together with rotor. The outer CV joint is supplied as a replacement part with the rotor.

See SUSPENSION - REAR and AXLE SHAFTS - FRONT & REAR .

See also:
• EMERGENCY BATTERY, SWITCHING OFF/ON
• BLEEDING BRAKE SYSTEM
• CENTER CONSOLE, ASSEMBLY OVERVIEW
• AXLE SHAFTS - FRONT & REAR
• SUSPENSION - FRONT
• WHEEL BEARING HOUSING
• HYDRAULIC CONTROL UNIT, REMOVING AND INSTALLING
• CHECKING ROTOR ON REAR AXLE
• SENSOR FOR TRANSVERSE ACCELERATION -G200- AND SENDER FOR ROTATION RATE -G202, REMOVING AND INSTALLING
• BRAKE LIGHT SWITCH, REMOVING AND INSTALLING
• SENDER 1 FOR BRAKE BOOSTER -G201-, REMOVING AND INSTALLING