Audi A4 Owners & Service Manuals

Audi A4: Drive Axle, Removing and Installing

Audi A4 (B9) 2016-2024 Service Manual / Chassis / Rear Suspension / Drive Axle / Drive Axle, Removing and Installing

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Bolt - Outer CV Joint to Drive Axle
  • Clamp - CV Boot to Outer CV Joint
  • Clamp - CV Boot to Drive Axle
  • Bolts - Backing Plate to CV Boot
  • Circlip - Drive Axle

Removing

- Loosen the connection between the drive axle and wheel hub. Refer to → Chapter "Drive Axle Threaded Connection, Loosening and Tightening".

- Remove the expanding rivets -2-.

- Pull the wind deflector -1- slightly outward in the direction of the -arrow- and remove.

A42-10878

Left Side of the Vehicle

- Remove the rear muffler. Refer to → Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler.

- Remove the bolts -arrows- and remove the heat shield -1-.

A42-10798

Continuation for All Vehicles

- Remove the bolts -arrows-, and carefully remove the drive axle.

  Note

Be careful not to damage the protective coating on the drive axle.

A42-10799

Installing

Install in reverse order of removal and note the following:

- Tighten the threaded connection between the drive axle and wheel hub. Refer to → Chapter "Drive Axle Threaded Connection, Loosening and Tightening".

Tightening Specifications

  • Refer to → Chapter "Overview - Drive Axle"
  • Refer to → Fig. "Heat Shield - Tightening Specification"

Drive Axle Threaded Connection, Loosening and Tightening

Special tools and workshop equipment required

  • Torque Wrench 80-400Nm -VAG1576-
  • Socket AF 24 mm -T10361A-

  Caution

This procedure contains mandatory replaceable parts. Refer to component overview and parts catalog prior to starting procedure.

Mandatory Replacement Parts

  • Bolt - Outer CV Joint to Drive Axle

Loosen the threaded connection between the drive axle/stub axle and wheel hub

- With vehicle still resting on its wheels, loosen the bolt -arrow- a maximum of 90º using -T10361A-, otherwise the wheel bearing will be damaged.

- Lift the vehicle just enough so that the wheels are hanging free.

- Apply the brakes (a second technician required).

- Remove the bolt.

Tighten the threaded connection between the drive axle/stub axle and wheel hub

  Note

  • Replace bolt after removal.
  • Before installing, clean the threads in the CV joint/stub axle with a thread tap.
  • Wheels must not yet touch the ground when tightening the drive axle/stub shaft or the wheel bearing can be damaged.

- Apply the brakes (a second technician required).

- Tighten the bolt to 200 Nm.

- Set the vehicle on its wheels.

- Tighten the bolt an additional 180º.

A40-10419

    READ NEXT:

     Drive Axle, Disassembling and Assembling

    Drive Axle, Disassembling and Assembling, Outer CV Joint Special tools and workshop equipment required Locking ring pliers, commercially available Sealant -D454 300 A2-. Refer to the Parts Catalog.

     Inner CV Joint, Checking

    It is necessary to disassemble the joint whenever replacing the grease or if the ball surfaces show wear or damage. Disassembling   Note Ball hub and joint are paired and should be identified

     Special Tools

    Special tools and workshop equipment required Engine/Gearbox Jack Adapter - Wheel Hub Support -T10149- Hydraulic Press - Bushing Assembly Tool Kit -T10230- Gearbox Support -T40173- Pulle

    SEE MORE:

     General Information

    Chassis Steering Tire Types For general information on wheel/tire combinations, winter tires, snow chains, and recommended tire manufacturers, refer to →Wheel and Tire Guide; Rep. Gr.44 Drive Axle General Information Apply a thin coat of assembly paste to the splines on the outer joint b

     Fender Brace, Removing and Installing

    Removing - Remove the front wheel housing liner. Refer to → Chapter "Front Wheel Housing Liner, Removing and Installing". - Remove the front wheel spoiler. Refer to → Chapter "Front Wheel Spoiler, Removing and Installing". Left Side of Vehicle - Free up the wiring harne

    © 2019-2024 Copyright www.audia4b9.com