Overview - Balance Shaft Drive Chain
WARNING: This page is about a different car, the 2023 Audi S3, 2023 Audi RS 3, 2023 Audi A3 Quattro, and 2023 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- Replace after removing
- 85 Nm
- Seal
- Not available separately, included in the delivery package OVERVIEW - BALANCE SHAFT DRIVE CHAIN
- 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 OVERVIEW - BALANCE SHAFT DRIVE CHAIN is loosened.
- Thrust Washer
- Bolt
- Replace after removing
- The intermediate sprocket OVERVIEW - BALANCE SHAFT DRIVE CHAIN must be replaced if the bolt is loosened.
- Tightening Specifications and Sequence. Refer to Fig 3.
- Guide Rail
- For balance shaft drive chains
- Guide Pin
- 12 Nm
- Guide Rail
- For balance shaft drive chains
- Guide Pin
- 20 Nm
Mounting pins - installation position
-- 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
- 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
|
| 3. | 25 Nm |
| 4. | 90° additional turn |