Audi Q5 Owners & Service Manuals

Audi Q5: Final Drive, Removing and Installing 0BF, Audi A4, A5, A6 and A7, Q5

Audi Q5 Type 8R (2008 - 2017) Service Manual / Transmission / Real Final Drive, Differential / Final Drive / Final Drive, Removing and Installing 0BF, Audi A4, A5, A6 and A7, Q5

Pay attention to the general repair information. Refer to → Chapter "Repair Information".

Pay attention to the safety precautions. Refer to → Chapter "Safety Precautions".

Special tools and workshop equipment required

  • Engine and Gearbox Jack -VAS6931- with Universal Transmission Support -VAG359/2-
  • Tensioning Strap -T10038-
  • Counterhold - Kit - Multiple Use -T10172- with Counterhold - Kit - Adapter 5 - T10172/5-

Removal

- Place the vehicle on a lift.

- Remove the wheel hubcap from the left rear wheel. On alloy wheels, remove the cap using the puller in the vehicle tool kit.

- Remove the rear wheels.

  Note

Do not bend the flex joint in the front exhaust pipe more than 10º or it will be damaged.

- Loosen the clamping sleeves -1 and 2- and disconnect the exhaust system.

- Attach the front exhaust pipe on the underbody side.

Audi Q5. A26-10899

- If equipped, remove the rear crossmember -1-. Refer to → Body Exterior; Rep. Gr.66; Underbody Panel; Overview - Underbody Panels.

- Remove the rear section of the exhaust system -2-. Refer to → Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler.

  Note

A second technician is needed to help remove the rear section of the exhaust system.

- Remove the driveshaft. Refer to → Chapter "Driveshaft, Removing and Installing".

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- Remove the left drive axle heat shield -A- from the rear final drive -arrows-.

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- Remove the bolts -arrows- and remove the bracket -1- from the rear final drive.

  Note

Mark the connectors -2- for the Oil Pressure/Temperature Sensor and on the Clutch Valves.

- Disconnect the connectors -2- from the Oil Pressure/Temperature Sensor and the Clutch Valves.

- Disconnect the connector -4- from the All Wheel Drive Pump -V415-.

- Unclip the wiring harness -3- from the final drive and the subframe and tie it up -items 5 through 7-.

Audi Q5. A39-10360

- Remove the left -1- and right -3- drive axles from the final drive.

- Loosen the bolts -2- approximately three turns.

- Remove the bolt -4-.

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Lower the subframe -1- at the rear as follows:

- Remove the right rear bolt that connects the subframe to the body.

- Install the Bearing Installer - Control Arm -3346- with Control Arm Bearing Installer - Nut -3346/3- and Bearing from the Subframe Bushing Tool Kit -3301-.

- Then remove the left rear bolt that connects the subframe to the body.

- Lower the subframe to dimension -a- = 40 mm. While doing so counterhold the Bearing Installer - Control Arm -3346- and turn the Control Arm Bearing Installer - Nut - 3346/3- counter-clockwise.

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- Position the Engine and Gearbox Jack -VAS6931- with the Universal Transmission Support -VAG1359/2- and a corresponding rubber or hard foam mat -A- under the rear final drive.

  Caution

The rubber or hard foam mat is needed to protect the Clutch Valves on the rear final drive from getting damaged.

Use a Tensioning Strap -T10038- to secure the rear final drive from falling.

Audi Q5. A39-10363

- Remove the two rear bolts -2- that connect the rear final drive to the subframe.

- A second technician must help with the next steps in removing the final drive.

Audi Q5. A39-10361

- A second technician must now push the rear final drive in direction of -arrow- toward the right side of the vehicle.

- Then guide the left drive axle -1- upward and out of the final drive flange shaft -2-.

- Guide the right drive axle out and tilt the final drive toward the rear and downward.

- Carefully lower the final drive together with the second technician. Pay attention to the subframe.

  WARNING

  • Do not raise or lower the vehicle when the Engine and Gearbox Jack -VAS6931- is underneath it.
  • Do not leave the Engine and Gearbox Jack -VAS9631- under the vehicle longer than necessary.

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Installing

Install in reverse order of removal. Note the following:

  WARNING

Malfunctions on the rear final drive.

If the rear final drive was replaced, additional work is necessary. Refer to → Chapter "Additional Work after Replacing Rear Final Drive 0BE, 0BF".

- Carefully raise the rear final drive using the Engine and Gearbox Jack and, with a second technician, position it on the subframe in its installed position.

-A- = rubber or hard foam mat

  Caution

The rubber or hard foam mat is needed to protect the Clutch Valves on the rear final drive from getting damaged.

Use a Tensioning Strap -T10038- to secure the rear final drive from falling.

- Install the right drive axle into the final drive flange shaft.

Audi Q5. A39-10363

- A second technician must now push the rear final drive in direction of -arrow- toward the right side of the vehicle.

- Install the left drive axle -1- into the final drive flange shaft -2-.

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- Install the bolts -2- that connect the rear final drive to the subframe hand-tight.

  Note

For better illustration the Engine and Gearbox Jack -VAS6931- with the Universal Transmission Support -VAG1359/2- are not shown.

- Tighten the bolt -4- to the tightening specification and then the bolts -2- to the tightening specification. Refer to → Chapter "Overview - Final Drive 0BE, 0BF".

- Remove the Engine and Gearbox Jack -VAS6931- from under the final drive.

- Install the left -1- and right -3- drive axles. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Drive Axle; Drive Axle, Removing and Installing.

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Attach the subframe -1- to the body in the rear as follows:

- First turn the Control Arm Bearing Installer - Nut -3346/3- clockwise until the subframe touches the body. While doing this, counterhold the Bearing Installer - Control Arm -3346-.

- Then install the left rear bolt that connects the subframe to the body and tighten it to the tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Subframe; Overview - Subframe.

- The remove the Bearing Installer - Control Arm - 3346- and the right rear bolt for the subframe on the body and tighten to the tightening specification. Refer to → Suspension, Wheels, Steering; Rep. Gr.42; Subframe; Overview - Subframe.

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- Attach the left drive axle heat shield -A- to the rear final drive -arrows-. Refer to → Chapter "Overview - Final Drive 0BE, 0BF".

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- Install the wiring harness -3- to the final drive and subframe -items 5 through 7-.

- Connect the connectors -4 and 2-. Pay attention to the marks made during the removal, that identify the allocation to the Oil Pressure/Temperature Sensor and which connectors go to the Clutch Valves.

  Caution

Risk of damaging the wiring harness.

Make sure the wiring harness -3- does not get pinched when installing the bracket -1- to the rear final drive.

- Position the bracket -1- on the final drive and tighten the bolts -arrows- to the tightening specification.

Audi Q5. A39-10360

  Note

  • Allocation for the Oil Pressure/Temperature Sensor and Clutch Valves connectors:
  • -1- = Oil Pressure/Temperature Sensor 2 -G640- Connector
  • -2- = Oil Pressure/Temperature Sensor -G437- Connector
  • -3- = All Wheel Drive Clutch Valve 2 -N446- Connector
  • -4- = All Wheel Drive Clutch Valve -N445- Connector

- Install the driveshaft. Align the markings and follow the tightening sequence.

- Check the gear oil in rear final drive. Refer to → Chapter "Gear Oil, Checking Level, 0BE, 0BF".

- Check the ATF inside the rear final drive. Refer to → Chapter "ATF Level, Checking, 0BE, 0BF".

- Install the rear section of the exhaust system and align it so it is free of tension. Refer to → Rep. Gr.26; Exhaust Pipes/Mufflers; Overview - Muffler.

- If equipped, install the rear cross member. Refer to → Body Exterior; Rep. Gr.66; Underbody Panel; Overview - Underbody Panels.

- Install the rear wheels and tighten. Refer to → Suspension, Wheels, Steering; Rep. Gr.44; Wheels and Tires.

  • If the rear final drive was replaced, additional work is necessary. Refer to → Chapter "Additional Work after Replacing Rear Final Drive 0BE, 0BF".

Audi Q5. A39-10365

Additional Work after Replacing Rear Final Drive 0BE, 0BF

  WARNING

Malfunctions on the rear final drive.

If the rear final drive was replaced, the following additional work is necessary.

  • Bleed the hydraulic control module using the Vehicle Diagnostic Tester.
  • Program the rear final drive on the All Wheel Drive Control Module -J492- use the Vehicle Diagnostic Tester → Vehicle diagnostic tester.

The additional work can only be performed when the rear final drive is replaced.

Procedure:

- Connect the Vehicle Diagnostic Tester and turn on the ignition.

- Select the function 22 - Rear Final Drive Replacing in the vehicle diagnostic tester under Guided Functions in the directory 22- All Wheel Drive (AWD) Electronics.

  • Follow all the instructions given by the Vehicle Diagnostic Tester exactly.

The new rear final drive is "adapted" on the All Wheel Drive Control Module -J492- using the Vehicle Diagnostic Tester.

  Note

A system check will take place when the function 22 - Rear Final Drive Replacing is complete. If malfunctions appear, then use "Guided Fault Finding" to correct them.

Tightening Specification

Audi Q5. Tightening Specification

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