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Home >> Volkswagen >> 2018 >> Beetle S, 2D Hatchback >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Cylinder Head, VALVETRAIN [DDSA,DDSB] (Convertible)) >> 15 Cylinder Head, VALVETRAIN >> Chain Drive >> Overview - Camshaft Timing Chains

Overview - Camshaft Timing Chains

WARNING: This page is about a different variant/trim than selected.
NOTE:

After performing work on the chain drive the adaptation value in the engine control module must be adapted. To do so, turn on the ignition and select the following menu items on the Vehicle Diagnostic Tester:

0001 - Adaptation after repair work on chain drive 

Fig 1: Camshaft Timing Chains Exploded View
GWWA15-11683Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Chain Tensioner
    • Is under tension
    • Secure using the Locking Tool: T40267  before removing
  2. Bolt
    • 4 Nm +90°
    • Replace after removing.
  3. Guide Pin
    • 20 Nm
  4. Bolt
    • Tightening specification and sequence. Refer to Fig 3.
    • Replace after removing.
  5. Adapter Sleeve
    • Pulled into the cylinder head with the bolt
  6. Control Valves
    • 35 Nm
    • Left-hand thread
    • Checking using the Vehicle Diagnostic Tester. Refer to Fig 2.
  7. Control Valves
    • 35 Nm
    • Left-hand thread
    • Checking using the Vehicle Diagnostic Tester Fig 2.
  8. Bearing Bracket
    • Tightening specification and sequence. Refer to Fig 3.
  9. Cylinder Head Cover
  10. Bolt
    • 9 Nm
  11. Guide Rail
    • For the camshaft timing chain
  12. Camshaft Timing Chain
  13. Camshaft Timing Chain Guide Rail
  14. Guide Pin
    • 20 Nm
  15. Crankshaft Chain Sprocket
    • Installation position. Refer to Fig 4.
  16. Tensioning Rail
    • For the camshaft timing chain

Checking the Control Valve 

Fig 2: Checking The Control Valve
GWWN15-11343Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Bearing Bracket - Tightening Specifications and Sequence 

Fig 3: Bearing Bracket - Tightening Sequence
GWWA15-11797Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

If an adapter sleeve is installed, this will be moved with the bolt -1- in the cylinder head.

-- Tighten the bolts in the steps shown in the sequence:

Bearing Bracket with Adapter Sleeve and Steel Bolts 

Step Bolt Tightening Specification/Additional Turn for Steel Bolts
1. -1- 3 Nm
2. -1 to 6- 9 Nm

Bearing Bracket without Adapter Sleeve and Aluminum Bolts 

Step Bolt Tightening Specification/Additional Turn for Aluminum Bolts
1. -1 to 6- 4 Nm
2. -1 to 6- 180°

Three Stage Chain Sprocket - Installed Position 

Fig 4: Chain Sprocket Crankshaft
GWWA15-10469Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
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