Overview - Balance Shaft Drive Chain

WARNING: This page is about a different car, the 2022 Audi SQ5, 2022 Audi Q5 e, 2022 Audi Q5, and 2021 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Balance Shaft Drive Chain Exploded View

Courtesy of AUDI OF AMERICA, LLC

Three Stage Chain Sprocket
- Installation position. Refer to Figure.
Guide Pin
- 20 Nm
Tensioning Rail
- For balance shaft drive chains
Balance Shaft Drive Chain
- Removing and Installing. Refer to BALANCE SHAFT DRIVE CHAIN, REMOVING AND INSTALLING .
Guide Pin
- 20 Nm
Exhaust Side Balance Shaft
- Overview. Refer to OVERVIEW - BALANCE SHAFT .
Chain Tensioner
- 85 Nm
- Use sealant to install. Refer to the Parts Information.
Seal
- Not available separately, included in the delivery package -item 7- OVERVIEW - BALANCE SHAFT DRIVE CHAIN => List Item: Chain Tensioner
Cylinder Block
Intake Side Balance Shaft
- Overview. Refer to OVERVIEW - BALANCE SHAFT .
O-Ring
- Replace after removing
- Lubricate with engine oil
Mounting Pin
- Lubricate with engine oil
- Installation position. Refer to Fig 2.
Intermediate Sprocket
- The intermediate sprocket must be replaced if the bolt -item 15- OVERVIEW - BALANCE SHAFT DRIVE CHAIN => List Item: Bolt is loosened.
Thrust Washer
Bolt
- Tightening Specifications and Sequence. Refer to Fig 3.
- Replace after removing
- The intermediate sprocket -item 13- OVERVIEW - BALANCE SHAFT DRIVE CHAIN => List Item: Intermediate Sprocket must be replaced if the bolt is loosened.
Guide Rail
- For balance shaft drive chains
Guide Pin
- 12 Nm
Guide Rail
- For the balance shaft timing chain
Guide Pin
- 20 Nm

Mounting Pins - Installation Position

Fig 2: Bearing Pins Installation Position

Courtesy of AUDI OF AMERICA, LLC

-- Coat the new O-ring -1- before installing with engine oil.

The alignment pin -arrow- for the bearing pins must engage in the hole in the cylinder block.

-- Coat the bearing pin with engine oil.

Intermediate Sprocket - Tightening Specifications and Sequence

Fig 3: Identifying Intermediate Shaft Sprocket

Courtesy of AUDI OF AMERICA, LLC

Replace bolts that were tightened with an additional turn after removing them.

-- Tighten the bolt in steps:

Step	Tightening specification/additional turn
1.	10 Nm
2.	-- Turn the intermediate sprocket The intermediate sprocket must not have any play otherwise loosen and tighten it again.
3.	25 Nm
4.	90° additional turn