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Home >> Volkswagen >> 2005 >> Jetta TDI, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (2.5L - Crankshaft, Cylinder Block - Engine Code(S): BGP, BGQ, CBTA & CBUA (Sedan) (A5 Platform)) >> 13 Crankshaft, Cylinder Block >> Description And Operation >> Accessory Drive And Cylinder Block Overviews >> Accessory Drive

Accessory Drive

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Fig 1: Identifying Accessory Drive And Ribbed Belt - Overview
GWWM13-0186Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Bolt 
    • 25 Nm
  2. Bolt 
    • 25 Nm
  3. Generator 
    • Removing and installing, refer to Removal and Installation .
    • Moving the threaded bushings in the generator slightly to the rear will make is easier to install the generator.
  4. Bolt 
    • 25 Nm
  5. Idler Pulley with Bracket 
    • For the ribbed belt for the Air Conditioning (A/C) compressor.
    • Do not remove the pulley.
  6. Bolt 
    • 25 Nm
  7. A/C Compressor 
  8. Bolt 
    • 25 Nm
  9. Coolant Pump 
    • In the cylinder block.
    • Removing and installing, refer to COOLANT PUMP .
  10. Ribbed Belt, for the Generator and Coolant Pump 
    • Routing, refer to Fig 2.
    • Before removing, mark the direction of rotation using chalk or a felt-tip marker.
      CAUTION:

      When installing the old ribbed belt, make sure it is routed in the right direction and that it is seated correctly on the pulleys and the tensioner.

    • Check for wear.
    • Do not kink.
    • Removing and installing, refer to RIBBED BELT .
  11. Ribbed Belt, for the A/C Compressor 
    • Routing, refer to Fig 2.
    • Before removing, mark the direction of rotation using chalk or a felt-tip marker.
      CAUTION:

      When installing the old ribbed belt, make sure it is routed in the right direction and that it is seated correctly on the pulleys and the tensioner.

    • Check for wear.
    • Do not kink.
    • Removing and installing, refer to RIBBED BELT .
  12. Vibration Damper 
  13. Bolt 
    • 50 Nm + 90° (1/4) additional turn.
    • Always replace.
    • Only use strength category 10.9.
    • Quantity: 5
  14. Bushing 
    • Quantity: 2
  15. Belt Tensioner, for the A/C Compressor Ribbed Belt 
    • 35 Nm
    • Do not remove the roller.
  16. Belt Tensioner, for the Generator and Coolant Pump Ribbed Belt 
    • 35 Nm
    • Do not remove the roller.
  17. Bolt 
    • 25 Nm
  18. Bolt 
    • 8 Nm
  19. Upper Idler Pulley with Bracket 
    • For the generator and coolant pump ribbed belt.
    • Do not remove the pulley.
  20. Bolt 
    • 40 Nm + 90° (1/4) additional turn.
    • Always replace.
  21. Engine Mount 
  22. Bushing 
    • Quantity: 2
  23. Accessory Bracket 
Fig 2: Identifying Ribbed Belt Routing 2.5L 5-Cylinder Gasoline Engine
GWWM13-0193Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Upper idler pulley 
  2. Pulley, generator 
  3. Lower idler pulley 
  4. Ribbed belt, for the generator and coolant pump 
  5. Pulley, for the A/C compressor 
  6. Ribbed belt, for the A/C compressor 
  7. Vibration damper 
  8. Belt tensioner, for the A/C compressor ribbed belt 
  9. Belt tensioner, for the generator and coolant pump ribbed belt 
  10. Pulley, coolant pump 


Fig 1: Identifying Accessory Drive
GWWN13-10287Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Bolt 
    • 25 Nm
  2. Bolt 
    • 25 Nm
  3. Generator 
    • Removing and installing, refer to Removal and Installation .
    • Moving the threaded bushings in the generator slightly to the rear will make is easier to install the generator.
  4. Bolt 
    • 25 Nm
  5. Idler Pulley wit Bracket 
    • For the Air Conditioning (A/C) compressor ribbed belt.
    • Do not remove the pulley.
  6. Bolt 
    • 25 Nm
  7. A/C Compressor 
  8. Bolt 
    • 25 Nm
  9. Coolant Pump 
    • In the cylinder block.
    • Removing and installing, refer to COOLANT PUMP .
  10. Ribbed Belt, for the Generator and Coolant Pump 
    • Routing, refer to Fig 2.
    • Before removing, mark the direction of rotation using chalk or a felt-tip marker.
      CAUTION:

      When installing the old ribbed belt, make sure it is routed in the right direction and that it is seated correctly on the pulleys and the tensioner.

    • Check for wear.
    • Do not kink.
    • Removing and installing, refer to RIBBED BELT .
  11. Ribbed Belt, for the A/C Compressor 
    • Routing, refer to Fig 2.
    • Before removing, mark the direction of rotation using chalk or a felt-tip marker.
      CAUTION:

      When installing the old ribbed belt, make sure it is routed in the right direction and that it is seated correctly on the pulleys and the tensioner.

    • Check for wear.
    • Do not kink.
    • Removing and installing, refer to RIBBED BELT .
  12. Vibration Damper 
    • Multiple versions are available.
    • To remove and install, lock the crankshaft CRANKSHAFT, LOCKING .
  13. Bolt 
    • 50 Nm + 90° (1/4) additional turn.
    • Always replace.
    • Only use strength category 10.9.
    • Quantity: 5
  14. Bushing 
    • Quantity: 2
  15. Belt Tensioner, for the A/C Compressor Ribbed Belt 
    • 35 Nm
    • Do not remove the roller.
  16. Belt Tensioner, for the Generator and Coolant Pump Ribbed Belt 
    • 35 Nm
    • Do not remove the roller.
  17. Bolt 
    • 25 Nm
  18. Bolt 
    • 8 Nm
  19. Upper Idler Pulley with Bracket 
    • For the generator and coolant pump ribbed belt.
    • Do not remove the pulley.
  20. Bolt 
    • 40 Nm + 90° (1/4) additional turn.
    • Always replace.
  21. Engine Mount 
  22. Bushing 
    • Quantity: 2
  23. Accessory Bracket 
Fig 2: Identifying Ribbed Belt Routing
GWWN13-10243Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Upper idler pulley 
  2. Pulley, generator 
  3. Lower idler pulley 
  4. Ribbed belt, for the generator and coolant pump 
  5. Pulley, A/C compressor 
  6. Ribbed belt, for the A/C compressor 
  7. Vibration damper 
  8. Belt tensioner, for the A/C compressor ribbed belt 
  9. Belt tensioner, for the generator and coolant pump ribbed belt 
  10. Pulley, coolant pump 
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