Overview - Ribbed Belt Drive For Vehicles With Electro-Mechanical Power Steering

WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2017 Audi S5, 2016 Audi S5, 2016 Audi S4, 2015 Audi S5, and 2015 Audi S4. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ribbed Belt Drive, Vehicles With Electro-Mechanical Power Steering Overview

Courtesy of AUDI OF AMERICA, LLC

Ribbed Belt
- Check for wear
- Before removing, mark direction of rotation using chalk or felt-tip marker
- Removing and installing. Refer to RIBBED BELT, REMOVING AND INSTALLING, VEHICLES WITH ELECTRO-MECHANICAL POWER STEERING .
- Do not kink
- When installing, make sure it is seated correctly on the ribbed belt pulleys
Generator
- Removing and installing. Refer to GENERATOR, REMOVING AND INSTALLING .
Bolt
- Tightening specification:
  Steel bolt - 23 Nm
  
  Aluminum bolt - 8 Nm +180°
Idler Roller
- 40 Nm
- 37 Nm when using Wrench - Door Adjusting 3320
- For the ribbed belt
Bolt
- Tightening specification: 20 Nm
Ribbed Belt Pulley
- For the coolant pump
- Removing and installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
Bolt
- Tightening specification: 9 Nm
Coolant Pump
- Removing and installing. Refer to COOLANT PUMP, REMOVING AND INSTALLING .
Tensioner
- 40 Nm
- For the ribbed belt
- Removing and installing. Refer to RIBBED BELT TENSIONER, REMOVING AND INSTALLING, VEHICLES WITH ELECTRO-MECHANICAL POWER STEERING .
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 .
Bracket
- For Air Conditioning (A/C) compressor
- Removing and installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .
Bolt
- Tightening specification: .
  - Tightening specification for aluminum bolts (item -A-) 8 Nm +180°
  - Tightening specification for steel bolts (here -B- and -C-) 25 Nm
Bolt
- Tightening specification: .
  - Tightening specification for aluminum bolts (item -A-) 8 Nm +180°
  - Tightening specification for steel bolts (here -B- and -C-) 25 Nm
A/C Compressor
- Do not unfasten/separate refrigerant lines
- Removing and installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .
Alignment Sleeve
- Quantity: 2
Bolt
- Tightening specification: 20 Nm +90° turn