LEMON Manuals: Even more car manuals for everyone
Home >> Volkswagen >> 2006 >> GTI 1.8 E, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 254 (2.0L - Cylinder Head, VALVETRAIN - Engine Code(S): CBFA & CCTA) >> 15 Cylinder Head, VALVETRAIN >> Description And Operation >> Cylinder Head Overview

Cylinder Head Overview

WARNING: This page is about a different car, the 2009 Volkswagen GTI and 2008 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Replace the cylinder head bolts.

Always replace self-locking nuts, bolts which have been tightened to a torque angle, as well as gaskets and O-rings.

The plastic protectors installed to protect the open valves must only be removed immediately before installing the cylinder head.

When replacing the cylinder head or cylinder head gasket, the coolant must be completely replaced.

Fig 1: Identifying Assembly Overview: Cylinder Head
GWWA15-10656Courtesy of VOLKSWAGEN UNITED STATES, INC.
  1. Cylinder Head Gasket 
    • Always replace.
    • Note the installed position: Part number faces the cylinder head.
  2. Bolt 
    • 25 Nm
  3. Transport Strap 
  4. Bolt 
    • Tightening sequence, refer to Fig 4.
  5. Cylinder Head 
    • Removing and installing, refer to CYLINDER HEAD .
    • Checking for distortion, refer to Fig 5.
  6. Bolt 
    • Always replace.
    • Observe the sequence for loosening, refer to Fig 3.
    • Observe the sequence for tightening, refer to Fig 4.
  7. O-ring 
    • Always replace.
    • Lubricate with engine oil.
  8. Ball Stud 
    • 5 Nm
    • With a ball head for the engine cover.
  9. Cap 
    • With a seal.
  10. O-ring 
    • Always replace.
    • Lubricate with engine oil.
  11. Sealing Plug 
  12. Bracket 
  13. Bolt 
    • 9 Nm
  14. Heat Shield 
  15. Bolt 
    • 20 Nm
  16. Bolt 
    • 20 Nm
  17. to the Intake Hose/Turbocharger 
  18. Ventilation Pipe 
  19. O-ring 
    • No replacement part.
  20. Gasket 
    • No replacement part.
  21. Engine Cover 
  22. Bolt 
    • Tightening sequence, refer to Fig 2.
  23. Crankcase Ventilation 
    • Observe the tightening sequence, refer to Fig 2.
  24. to the Intake Manifold 
  25. Gasket 
    • No replacement part.
  26. Gasket 
    • Replace if damaged.
  27. Vacuum Pump 
  28. Bolt 
    • 9 Nm
  29. Bolt 
    • 9 Nm
    • For engine code CBFA only.
  30. Secondary Air Injection Solenoid Valve -N112- 
    • For engine code CBFA only.
  31. Gasket 
    • Always replace.
    • For engine code CBFA only.
  32. Mounting Plate 
  33. Bolt 
    • 9 Nm
  34. Connecting Piece 
  35. O-ring 
    • Always replace.
    • Lubricate with coolant.
  36. Bolt 
    • 25 Nm
  37. Transport Strap 
  38. Bolt 
    • 9 Nm
  39. Camshaft Position Sensor -G40- 
  40. Partition Plate 
Fig 2: Identifying Crankcase Ventilation - Tightening Sequence
GWWA15-10605Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Tighten the crankcase ventilation bolts -1 to 10- in sequence to 11 Nm.

Fig 3: Identifying Cylinder Head - Loosening Sequence
GWWA15-10474Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Remove the bolts -arrows-.

-- Loosen the cylinder head bolts in sequence -1 through 5-.

Fig 4: Identifying Cylinder Head - Tightening Sequence
GWWA15-10475Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Tighten the cylinder head bolts in sequence -1 through 5-.

-- Tighten the bolts to 40 Nm using a torque wrench.

-- Tighten the bolts an additional 90° (1/4) turn using a ratchet.

-- Tighten the bolts an additional 90° (1/4) turn using a ratchet.

-- Tighten the bolts -arrows- to 8 Nm.

-- Tighten the bolts -arrows- an additional 90° (1/4) turn using a ratchet.

Fig 5: Identifying Check For Distortion On Cylinder Head Straight Edge 500 mm -VAS 6075- And Feeler Gauges
GWWV15-0654Courtesy of VOLKSWAGEN UNITED STATES, INC.

-- Check the cylinder head at several locations for distortion using a straight edge 500 mm -VAS 6075- and a feeler gauge.

scientia non olet · About LEMON Manuals