Balance Shaft Module With Oil Pump Overview

Fig 1: Identifying Balance Shaft Module With Oil Pump Assembly Overview

Courtesy of AUDI OF AMERICA, LLC

1. Chain Guard
2. Chain
   • Mark the running direction with paint before removing.
3. Dowel Sleeves
4. Intermediate Plate
5. Balance Shaft Module with Oil Pump
   • Before installing, make sure both alignment sleeves are installed for centering the oil pump and cylinder block.
   • Do not disassemble
   • Do not remove the balance shaft module chain sprocket
   • Removing and installing, refer to BALANCE SHAFT MODULE WITH OIL PUMP 
6. Bolt
   • 9 Nm
7. Oil Baffle
8. Bolt
   • 20 Nm
9. Bolt
   • 8 Nm
10. Oil Intake Pipe
    • Clean the screen if it is dirty.
11. O-ring
    • Replace
12. Bolt
    • Replace
    • Different bolt lengths, refer to Fig 2
    • Tightening specification and sequence, refer to Fig 3
13. Bolt
    • Replace
    • Different bolt lengths, refer to Fig 2
    • Tightening specification and sequence, refer to Fig 3
14. Outer Rotor
    • Check contact surfaces for groove build-up
    • Marking must be visible
15. Inner Rotor
    • Check contact surfaces for groove build-up
16. Oil Pump Cover
    • Remove the chain tensioner -19- to remove
17. Chain Sprocket
    • Only possible to install in one position
18. Bolt
    • Replace
    • 20 Nm plus an additional 90° turn
19. Chain Tensioner with Tensioning Rail
    • Remove the balance shaft module to remove, refer to BALANCE SHAFT MODULE WITH OIL PUMP .
    • Pretension to install TENSION THE CHAIN TENSIONER IF NECESSARY 
20. Bolt
    • 15 Nm

Fig 2: Identifying Bolt Allocation For Balance Shaft Housing

Courtesy of AUDI OF AMERICA, LLC

A - Collar bolt M7x40

B - Collar bolt M7x70

C - Collar bolt M7x90

D - Collar bolt M7x55

E - Sealing plug with O-ring

Fig 3: Identifying Balance Shaft Housing Bolt Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

-- Replace the balance shaft housing bolts -arrows-.

-- Tighten bolts in 3 stages as follows:

-- Install bolts by hand as far as the stop.

-- Tighten to 15 Nm in a diagonal sequence from inside to outside.

-- Tighten an additional 90° in a diagonal sequence from inside to outside.