Audi Q7 Owners & Service Manuals

Audi Q7: Balance Shaft

Overview - Balance Shaft

Overview - Balance Shaft

1 - Balance Shaft

  • Removing and installing. Refer to → Chapter "Balance Shaft, Removing and Installing".

2 - Bolt

  • 40 Nm +90º
  • Replace after removing
  • For loosening and tightening, use the Locating Pins -T40116- as a counterholder

3 - Balance Shaft Chain Sprocket

  • With transmission side balance weight

4 - Gear Carrier

5 - Bolt

  • 15 Nm

6 - Belt Pulley Side Balance Weight

  • Can only be placed on the balance shaft in one position

7 - Bolt

  • 40 Nm +90º
  • Replace after removing
  • For loosening and tightening, use the Locating Pins -T40116- as a counterholder

Balance Shaft, Removing and Installing

Special tools and workshop equipment required

  • Locating Pins -T40116-

  Caution

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

Mandatory Replacement Parts

  • Bolt - Balance shaft chain sprocket
  • Bolt - Belt pulley side balance weight

Removing

  • The transmission is removed. Refer to → 8-Speed Automatic Transmission 0D5; Rep. Gr.37; Transmission, Removing and Installing; Transmission, Removing.

- Remove the belt pulley side sealing flange. Refer to → Chapter "Sealing Flange, Removing and Installing, Belt Pulley Side".

- Remove the lower timing chain cover. Refer to → Chapter "Lower Timing Chain Cover, Removing and Installing".

- Loosen the bolt -arrow- one turn to do so use the Locating Pins -T40116- as counterholder.

- Remove timing mechanism drive chain. Refer to → Chapter "Timing Mechanism Drive Chain, Removing and Installing".

A15-11595

- Remove the bolt -2- on the engine belt pulley side, to do so counterhold the balance weight with the drift and balance shaft balance weight -1-.

A15-11355

- Remove the bolts -arrows- and the balance shaft and bearing end bracket at the engine transmission side.

- Remove the balance shaft toward the rear out of the cylinder block.

A15-11596

Installing

Install in reverse order of removal and note the following:

  • Secure crankshaft in "TDC" position using Crankshaft Locking Pin -T40069-.

  Note

The balance weights can only be positioned one way on balance shaft.

- Install timing mechanism drive chain. Refer to → Chapter "Timing Mechanism Drive Chain, Removing and Installing".

- Install the lower timing chain cover. Refer to → Chapter "Lower Timing Chain Cover, Removing and Installing".

- Install the belt pulley side sealing flange. Refer to → Chapter "Sealing Flange, Removing and Installing, Belt Pulley Side".

A13-11135

Tightening Specifications

  • Refer to → Chapter "Overview - Balance Shaft"

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