Audi A4 Owners & Service Manuals

Audi A4: Differential

Overview - Differential

Overview - Differential

1 - Left Flange Shaft Seal

  • Replacing. Refer to → Chapter "Left Seal, Replacing".

2 - Shim

  • Behind the taper roller bearing outer race

3 - Taper Roller Bearing Outer Race

4 - Front Differential

5 - Bolt

  • Tightening specification and sequence. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Overview - Differential.

6 - Circlip

  • Replacing

7 - Right Flange Shaft

  • Removing and installing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Right Flange Shaft, Removing and Installing.

8 - Right Flange Shaft Seal

  • Replacing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Seals; Right Seal, Replacing.

9 - Final Drive Cover

  • Removing and installing. Refer to → Chapter "Left Seal, Replacing".

10 - O-Ring

  • Replace after removing.

11 - Shim

  • Behind the taper roller bearing outer race

12 - Taper Roller Bearing Outer Race

13 - Left Flange Shaft

  • Removing and installing. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Left Flange Shaft, Removing and Installing.

14 - Bolt

  • Tightening specification: 10 Nm + 90º
  • Quantity: 3

15 - Gear Carrier

  • Attached to the left flange shaft with the bearing -item 16- and the circlip -item 17-

16 - Bearings

  • For the left flange shaft

17 - Circlip

  • for the left flange shaft bearing

Final Drive Cover - Tightening Specification and Sequence

- Tighten the bolts in steps according to the specified sequence:

A39-10658

Final Drive Cover - Tightening Specification and Sequence

Left Flange Shaft, Removing and Installing

Special tools and workshop equipment required

  • Engine and Gearbox Jack -VAS6931-
  • Sealing Grease. Refer to the Parts Catalog.

Removing

  • The transmission is installed.

- Remove the bolts -arrows- from the flange shaft mounting bracket.

A30-10170

- Remove the lower cover -arrow- from the transmission.

A39-10659

  WARNING

Risk of damaging the seal between the final drive and the transmission housing when removing the flange shaft.

  • If the flange shaft -arrow- is not held in a central position, the seal on the flange shaft spline will be damaged.
  • A seal must be replaced if it is damaged.

- To avoid damaging the seal, support and guide the flange shaft out of the opening in the transmission.

A39-10660

- Remove the left flange shaft from the transmission in direction of -arrow A-.

  Note

Ignore -items 1 and 3- and -arrow B-.

A30-10171

Installing

Install in the reverse order of removal while noting the following:

  Note

Replace the bolts that were tightened with an additional turn.

  WARNING

Risk of damaging the seal between the final drive and the transmission housing when installing the flange shaft.

  • If the flange shaft -arrow- is not held in a central position, the seal on the flange shaft spline will be damaged.
  • A seal must be replaced if it is damaged.

- To avoid damaging the seal when inserting the flange shaft, support and guide the flange shaft into the opening in the transmission.

A39-10660

- Slide the left flange shaft -2- into the transmission in direction of -arrow B-. When doing this, insert the flange shaft centrally into the seal on the front differential -arrow 3-.

A30-10171

Tightening Specification

  • Refer to → Chapter "Overview - Differential"
  • Upper control arm and coupling rod. Refer to → Suspension, Wheels, Steering; Rep. Gr.40; Upper Control Arm; Overview - Suspension Strut, Upper Control Arm.
  • Drive Axle. Refer to → Suspension, Wheels, Steering; Rep. Gr.40; Drive Axle; Overview - Drive Axle.

Right Flange Shaft, Removing and Installing

Description of the procedure. Refer to → 7-Speed Dual Clutch Transmission 0CK; Rep. Gr.39; Differential; Right Flange Shaft, Removing and Installing.

Special Tools

Special tools and workshop equipment required

  • Puller - Flanged Shaft -T10037-

W00-11350

  • Seal Installer - Flange Shaft -T40164-

W00-10568

  • Engine and Gearbox Jack -VAS6931-
  • Sealing Grease -G 052 128 A1-

W00-11135

Revision History

DRUCK NUMBER: A005AI0721

Revision History

    READ NEXT:

     7-Speed Dual Clutch Transmission 0CJ, 0CK, 0CL

     General, Technical data

    Technical Data Identification The following details can be found on the transmission housing -arrows-: Codes Serial Number Production Date Capacities Safety Precautions General Safety Precauti

     Repair Information

    Guidelines for Clean Working Conditions Thoroughly clean connection points and their surrounding areas with engine or brake cleaner before loosening and allow the cleaned connection points to dry

    SEE MORE:

     Immobilizer

    General Information The anti-theft immobilizer system control module can depending on the vehicle be integrated in the following systems: Instrument Cluster Control Module -J285- Comfort System Central Control Module -J393- Access/Start Authorization Control Module -J518- Additionally dependin

     Repair a wiring 0.35 mm 2 or greater with intermediate wire section

      Note For the repair use repair wires with a cross section of 0.35 mm2 through 6.0-mm2. Procedure - Free up the wire to be repaired at two places approximately 20 cm on both sides of the repair point.   Caution Risk of damaging the electrical wires. Expose wrapped wiring harness

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