volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Measuring axial clearance of camshaft > < Valve gear
Assembly overview - valve gear
   
Assembly overview - valve gear
1 - Valve
q   Must not be machined; only grinding-in is permissible
q   Mark installation position for re-installation.
q   Checking → Chapter.
q   Valve dimensions → Chapter.
q   Checking valve guides → Chapter.
2 - Cylinder head
q   See note → Chapter.
q   Removing and installing → Chapter
3 - Valve stem seal
q   Renew with cylinder head installed → Chapter
q   Renewing with cylinder head removed → Chapter.
4 - Valve spring
5 - Valve spring plate
6 - Valve cotters
7 - Cap
q   Renew.
q   Removing: With retaining frame installed, pierce one side of cap with an awl and pry out.
q   Installing: Drive in without sealant using an appropriate thrust piece.
q   Insertion depth 1 … 2 mm.
8 - Oil seal
q   Renewing → Chapter.
9 - Exhaust camshaft
q   Removing and installing → Chapter
q   Measuring axial clearance → Chapter.
q   Measuring radial clearance → Chapter
10 - Bolt
q   Sequence when loosening
q   Specified torque and tightening sequence → Fig..
11 - Retaining frame
q   With integrated camshaft bearings.
q   Removing and installing → Chapter
12 - Inlet camshaft
q   Removing and installing → Chapter
q   Measuring axial clearance → Chapter.
q   Measuring radial clearance → Chapter
13 - Roller rocker finger
q   Mark installation position.
q   Do not interchange.
q   Check roller bearing for ease of movement.
q   Oil contact surfaces.
q   Removing and installing → Chapter
14 - Securing clip
q   For hydraulic compensation element.
15 - Hydraulic compensation element
q   Mark installation position for re-installation.
q   Lubricate contact surfaces before installing.

   
Retaining frame - specified torques and installation sequence
–  Tighten bolts in 2 stages in the sequence shown:
  N15-10483
StageBoltsSpecified torque
1.-1 … 24-screw in to stop by hand
l  The retaining frame must make contact with the cylinder head over the entire contact surface.
2.-1 … 24-10 Nm

   

Measuring axial clearance of camshaft > < Valve gear