Overview - Ribbed Belt Drive

Fig 1: Identifying Ribbed Belt Drive Overview

Courtesy of AUDI OF AMERICA, LLC

1. Ribbed Belt
   • Check for wear
   • Before removing, mark the direction of rotation using chalk or a felt-tip pen.
   • Removing and installing. Refer to RIBBED BELT, REMOVING AND INSTALLING .
   • Do not kink
   • When installing, make sure it is seated correctly on the ribbed belt pulleys
2. Bolt
   • 20 Nm + 90° additional turn
   • Replace
3. Generator
   • Removing and installing. Refer to GENERATOR and GENERATOR, REMOVING AND INSTALLING .
4. Bolt
   • Tightening specification. Refer to GENERATOR and GENERATOR, REMOVING AND INSTALLING .
5. Idler Roller Cover
6. Idler Roller for Ribbed Belt
   • 40 Nm
7. Bolt
   • Tightening specification. Refer to OVERVIEW - COOLANT PUMP/THERMOSTAT .
8. Coolant Pump Ribbed Belt Pulley
9. Bolt
   • Tightening specification. Refer to OVERVIEW - COOLANT PUMP/THERMOSTAT .
10. Coolant Pump
    • Removing and installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
11. Bolt
    • Tightening specification. Refer to OVERVIEW - POWER STEERING PUMP .
12. Bolt
    • Tightening specification. Refer to OVERVIEW - POWER STEERING PUMP .
13. Power Steering Pump Bracket
14. Slide Bushing
15. Bolt
    • Tightening specification. Refer to OVERVIEW - POWER STEERING PUMP .
16. Bolt
    • Tightening specification. Refer to OVERVIEW - POWER STEERING PUMP .
17. Power Steering Pump
    • Removing and installing. Refer to OVERVIEW - POWER STEERING PUMP .
18. Power Steering Pump Ribbed Belt Pulley
    • Removing and installing. Refer to OVERVIEW - POWER STEERING PUMP .
19. Bolt
    • Tightening specification. Refer to OVERVIEW - POWER STEERING PUMP .
20. Ribbed Belt Tensioner
    • 40 Nm
    • Removing and installing. Refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING .
21. A/C Compressor Bracket
    • Be careful of the alignment bushings when installing
22. Bolt
    • 20 Nm
23. A/C Compressor
    • Do not remove or disconnect refrigerant lines
    • Removing and installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .
    • Be careful of the alignment sleeves - list item  25- when installing.
24. Bolt
    • Tightening specifications. Refer to OVERVIEW - A/C COMPRESSOR POWER UNIT .
25. Alignment Sleeve
    • Quantity: 2
26. Tensioner Cover
27. Vibration Damper
    • With ribbed belt pulley
    • Installation is only possible in one position because of the offset holes
    • Removing and installing. Refer to VIBRATION DAMPER, REMOVING AND INSTALLING .

Fig 2: Identifying Front Sealing Flange Bolts

Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -arrows- in a diagonal sequence in stages to 9 Nm.