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Home >> Audi >> 2016 >> S4 Premium Plus, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 1290 (Cylinder Head, VALVETRAIN [CATA]) >> 15 Cylinder Head, VALVETRAIN >> VALVETRAIN >> Overview - VALVETRAIN

Overview - VALVETRAIN

WARNING: This page is about a different car, the 2014 Volkswagen Touareg, 2013 Volkswagen Touareg, 2012 Volkswagen Touareg, and 2011 Volkswagen Touareg. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Valvetrain
GWWA15-10130Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.
  1. Valve
    • Replace if there are signs of wear on the stem and seating surface.
    • Do not rework, only grinding is permitted
    • Mark the installed position for installation later
    • Valve dimensions. Refer to VALVE DIMENSIONS 
    • Valve guides, checking. Refer to VALVE GUIDES, CHECKING .
  2. Cylinder Head
  3. Valve Stem Seal
  4. Valve Spring
  5. Valve Spring Retainer
  6. Valve Keepers
  7. Camshaft Seal
  8. Bolt
  9. Nut
  10. Guide Frame
  11. Intake Camshaft
  12. Exhaust Camshaft
  13. Roller Rocker Lever
    • Mark installed position
    • Do not interchange
    • Check roller for easy movement
    • Lubricate contact surface
  14. Hydraulic Adjusting Element
  15. Pressure Relief Valve
    • 25 Nm
    • For lubricating points in the cylinder head