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Home >> Audi >> 2012 >> TT Base, 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 2.0L - Crankshaft, Cylinder Block - Engine Code(S): CCTA & CETA (Roadster) >> 13 Crankshaft, Cylinder Block >> Description And Operation >> Ribbed Belt Drive Overview

Ribbed Belt Drive Overview

Fig 1: Identifying Ribbed Belt Drive Assembly Overview
GWWA13-10454Courtesy of AUDI OF AMERICA, LLC
  1. Vibration Damper
  2. O-ring
    • Not a replacement part; supplied with the bolt
  3. Bolt
    • 150 Nm plus an additional 90° turn
    • Replace
    • Coat the O-ring with oil.
    • Use counter hold tool T10355 to loosen and tighten
  4. Ribbed Belt
    • Check for wear
    • Do not kink
      CAUTION:

      Risk of destroying due to reversed running direction on a used ribbed belt.

      • Before removing the ribbed belt, marking running direction with chalk or felt-tip pen for reinstallation later.
    • Removing and installing, refer to RIBBED BELT 
    • When installing, make sure it is seated correctly on the pulleys
  5. Ribbed Belt Tensioning Damper
    • Move the damper using an open-end wrench to release the tension on the ribbed belt
    • Secure using the locking pin T10060 A
    • Tensioning device for the ribbed belt, refer to Fig 2
    • Removing and installing, refer to RIBBED BELT TENSIONER 
  6. Accessory Assembly Bracket
  7. Bolt
    • 10 Nm
  8. Generator
  9. Bolt
  10. Bolt
    • Tightening sequence, refer to Fig 3
  11. Air Conditioning (A/C) Compressor
  12. Bolt
    • 25 Nm
  13. Alignment Bushing
    • For air conditioning compressor
Fig 2: Identifying Tensioning Device For Ribbed Belt
GWWA13-10445Courtesy of AUDI OF AMERICA, LLC
  1. Ribbed belt tensioning damper
  2. Support
  3. Bracket for assemblies
  4. Centering sleeve
  5. Bolt
Fig 3: Accessory Assembly Bracket Tightening Sequence
GWWA13-10378Courtesy of AUDI OF AMERICA, LLC

-- Mount the accessory assembly bracket and then mount the bolts -4-.

-- Tighten bolts in 3 stages in -1 to 5- sequence as follows:

-- Tighten bolts by hand.-- Tighten the bolts to 20 Nm.-- Tighten the bolts an additional 90°.