LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Crankshaft, Cylinder Block (Servicing - 6-Cylinder 2.9L; 3.0L 4V TFSI Ea839 Engine) >> 13 Crankshaft, Cylinder Block >> Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side >> Overview - Cylinder Block, Belt Pulley Side, A/C Compressor Belt Drive, 2.9L Engine Without Electrical Compressor

Overview - Cylinder Block, Belt Pulley Side, A/C Compressor Belt Drive, 2.9L Engine Without Electrical Compressor

Fig 1: Exploded View Of Cylinder Block, Belt Pulley Side, A/C Compressor Belt Drive, 2.9L Engine Without Electrical Compressor
GWWA13-11206Courtesy of AUDI OF AMERICA, LLC
  1. Bolt
  2. Ribbed Belt
  3. Bolt
    • 25 Nm
  4. Idler Roller
    • For the ribbed belt
  5. Bolt
    • 40 Nm
  6. Tensioner
  7. Bolt
    • Tightening specification. Refer to  Bolt.
  8. Vibration Damper
  9. Bolt
    • Tightening Specifications and Sequence. Refer to Fig 3.
  10. Alignment Sleeves
  11. Bolt
    • Tightening Specifications and Sequence. Refer to Fig 3.
  12. Bracket
  13. A/C Compressor
Fig 2: A/C Compressor Belt Path, 2.9L Engine
GWWA13-11242Courtesy of AUDI OF AMERICA, LLC
  1. Vibration Damper
  2. Ribbed Belt Tensioner
  3. A/C Compressor
  4. Idler Roller
Fig 3: A/C Compressor Bracket
GWWA13-11243Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts in stages as follows:

Step Bolts Tightening specification/additional turn
1. -2 and 3- Install all the way by hand
2. -2 and 3- 22 Nm