Overview - Balance Shaft

Fig 1: Exploded View Of Balance Shaft

Courtesy of AUDI OF AMERICA, LLC

1. Cylinder Block
2. Bolt
   • 9 Nm
3. Intake Side Balance Shaft
   • Lubricate the bearing with engine oil
   • Replace in pairs only. Refer to BALANCE SHAFT, REMOVING AND INSTALLING, INTAKE SIDE .
4. Pipe
   • For the exhaust side balance shaft
   • Installation position. Refer to Fig 3.
5. Bolt
   • 9 Nm
6. Exhaust Side Balance Shaft
   • Lubricate the bearing with engine oil
   • Replace in pairs only. Refer to BALANCE SHAFT, REMOVING AND INSTALLING, EXHAUST SIDE .
7. Needle Bearing
   • Replace after removing.
   • The needle bearing rim is colored, a needle bearing of the same color must be installed.
   • Lubricate the bearing with engine oil
8. Needle Bearing
   • Replace after removing.
   • The needle bearing rim is colored, a needle bearing of the same color must be installed.
   • Lubricate the bearing with engine oil
9. Pipe
   • Installed, depending on the version
   • For the intake side balance shaft
   • Installation position. Refer to Fig 2.
10. Seal
    • For the intake side balance shaft
    • Replacing. Refer to BALANCE SHAFT GASKET, REPLACING, INTAKE SIDE .

Intake Side Balance Shaft Pipe - Installation Position 

Fig 2: Intake Side Balance Shaft Pipe - Installation Position

Courtesy of AUDI OF AMERICA, LLC

• The tab -arrow A- on the balance shaft must engage in the cut-out -arrow B- on the pipe.

Exhaust Side Balance Shaft Pipe - Installation Position 

Fig 3: Balance Shaft Pipe

Courtesy of AUDI OF AMERICA, LLC

• The openings -right arrow- must face the chain side.

-- Insert the pipe -2- for the balance shaft in the cylinder block -1-.

Fig 4: Inserting Pipe For Balance Shaft Into Cylinder Block

Courtesy of AUDI OF AMERICA, LLC

• For the correct installation position the dimension must be -a- = 21 mm.