seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Valve control > < Engine: assembly and dismantling
Cylinder head - Assembly overview
   
Cylinder head - Assembly overview
1 - Cylinder head gasket
q   replace → Chapter „Removing and installing cylinder head“
q   Fitting position: the part number points toward the cylinder head
q   If replaced, new coolant must be used.
2 - Cylinder head
q   Removing and installing → Chapter
q   Checking for distortion → Fig.
q   Reworking dimensions → Fig.
q   If replaced, new coolant must be used.
3 - Oil deflector
q   Note fitting position:
4 - Cylinder head bolt
q   replace
q   Sequence when loosening → Anchor.
q   Note correct sequence when tightening → Anchor
5 - Cylinder head cover:
q   Removing and installing → Chapter
6 - Ignition coil
7 - Sealing cap
8 - Seal
q   Replace if damaged or leaking.
9 - 10 Nm
q   First tighten inner nuts
q   Tighten outer nuts diagonally
10 - Gaskets for cylinder head cover
q   Replace if damaged or leaking.
q   Before fitting, apply sealant at sealing points → Fig. and → Fig.
11 - Seal
q   replace
12 - Combination valve secondary air
q   With connecting pipe
q   Removing and installing → Chapter
13 - 10 Nm
14 - Coolant flange
q   With coolant temperature sender
15 - 10 Nm
16 - O ring
q   replace

   
Checking cylinder head for distortion
–  Use knife-edge and feeler gauge to measure cylinder head at several points.
l  permissible deformation: is max. 0.1 mm.
  V15-0654
Cylinder head reworking measurement
–  Reworking the cylinder head (shaving) is only permitted down to minimum dimension -a-.
l  Minimum dimension: -a- = 139.20 mm.
  A15-0169
Sealing double bearing cap/cylinder head joints
–  The transition areas -arrows- at the top sealing surface of the cylinder head to be sealed off by applying a fine layer of sealant; sealant mass → spare parts catalogue.
  A15-0137
Sealing connections between camshaft adjuster and cylinder head
–  The transition areas -arrows- at the top sealing surface of the cylinder head to be sealed off by applying a fine layer of sealant; sealant mass → spare parts catalogue.
  A15-0138

Valve control > < Engine: assembly and dismantling