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.
- 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 .
- Cylinder Head
- Removing and installing. Refer to CYLINDER HEAD, REMOVING AND INSTALLING .
- Valve Stem Seal
- Replacing. Refer to VALVE STEM SEALS, REMOVING AND INSTALLING .
- Valve Spring
- Valve Spring Retainer
- Valve Keepers
- Camshaft Seal
- Replacing. Refer to CAMSHAFT SEAL, REMOVING AND INSTALLING .
- Bolt
- 9 Nm
- Note the tightening sequence. Refer to CAMSHAFTS, REMOVING AND INSTALLING .
- Nut
- 9 Nm
- Note the tightening sequence. Refer to CAMSHAFTS, REMOVING AND INSTALLING .
- Guide Frame
- With integrated camshaft bearings
- Removing and installing. Refer to CAMSHAFTS, REMOVING AND INSTALLING .
- Intake Camshaft
- Removing and installing. Refer to CAMSHAFTS, REMOVING AND INSTALLING .
- Axial Play, Checking. Refer to CAMSHAFTS, CHECKING AXIAL CLEARANCE .
- Check radial clearance using Plastigauge® (roller rocker lever removed)
- New radial clearance: 0.035 to 0.085 mm
- Radial clearance wear limit: 0.1 mm
- Stroke: maximum 0.01 mm
- Exhaust Camshaft
- Removing and installing. Refer to CAMSHAFTS, REMOVING AND INSTALLING .
- Axial Play, Checking. Refer to CAMSHAFTS, CHECKING AXIAL CLEARANCE .
- Check radial clearance using Plastigauge® (roller rocker lever removed)
- New radial clearance: 0.035 to 0.085 mm
- Radial clearance wear limit: 0.1 mm
- Stroke: maximum 0.01 mm
- Roller Rocker Lever
- Mark installed position
- Do not interchange
- Check roller for easy movement
- Lubricate contact surface
- Hydraulic Adjusting Element
- Mark installed position
- Checking. Refer to HYDRAULIC ADJUSTING ELEMENTS, CHECKING .
- Lubricate the running surfaces before installing
- Pressure Relief Valve
- 25 Nm
- For lubricating points in the cylinder head