seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Camshaft: Removing and installing > < Valve control
Valve control: Assembly overview
   
Valve control: Assembly overview
1 - Valve
q   Not to be reworked, 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
3 - Valve stem seal
q   Replace when cylinder head is installed → Chapter,
q   Replace when cylinder head is removed → Chapter
4 - Valve spring
5 - Valve plate spring
6 - Woodruff keys
7 - Cap
q   Renewing
q   Removing: Removing sealing cap with retaining frame installed: pierce on one side with an awl and pry out
q   Installing: Fit the sealing cap without sealant using a suitable pressure tool.
q   Insertion depth 1 … 2 mm
8 - Oil seal
q   Renew → Chapter
9 - Exhaust camshaft
q   Removing and installing → Chapter
q   Measuring axial clearance → Chapter.
q   Measuring radial clearance → Chapter
10 - Bolt
q   Specified torques and installation sequence → Fig..
11 - Ladder-type frame
q   With integrated camshaft bearings.
q   Specified torques and installation sequence → Fig..
12 - Inlet camshaft
q   Removing and installing → Chapter
q   Measuring axial clearance → Chapter.
q   Measuring radial clearance → Chapter
13 - Roller rocker arms
q   Mark installation position for re-installation.
q   Check roller bearing for ease of movement.
q   Lubricate contact surfaces before installing.
14 - Securing clip
q   For the hydraulic valve 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
stage:BoltsSpecified torque
1.-1 … 24-Screw in by hand until they make contact
l  The retaining frame of the bearing cover must be supported on the entire surface on the cylinder head
2.-1 … 24-10 Nm

   

Camshaft: Removing and installing > < Valve control