seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Checking distribution timing > < Cylinder head
Cylinder head - exploded view
   
Cylinder head - exploded view
1 - 20 Nm
2 - High-pressure pump
q   For fuel supply.
q   With fuel pressure regulating valve -N276-
q   removing and fitting → Chapter
3 - Cable duct
q   Tighten the camshaft housing to a torque of 8 Nm
4 - Goes to the air filter
5 - 10 Nm
6 - Hall sender -G40-
q   With O-ring
q   Renew O-ring if damaged.
7 - Head bolts, 6 Nm
8 - 10 Nm + further 1/4 (90 °)
q   Replace
q   Tighten from centre outwards
9 - Camshaft housing
q   removing and fitting → Chapter
q   Remove old sealant residues
q   Carefully clean sealing surfaces. They must be oil and grease free.
q   Before fitting, apply sealant → Catalogue of spare parts
q   When installing, fit vertically from above onto studs and dowel pins.
10 - 20 Nm
11 - Attachment rings
12 - Turbocharger
13 - Oil pressure switch -F1-, 25 Nm
q   Checking → Chapter
q   If sealing ring is leaking, cut open and replace
14 - Cylinder head gasket
q   Replace
q   Metal gasket
q   After replacing, renew coolant completely
15 - Cylinder head
q   removing and fitting → Chapter
q   Checking for distortion → Fig.
q   Sealing surfaces to camshaft housing must be oil and grease free.
q   After replacing, renew coolant completely
16 - Guide pin
q   Tightening torque: 20 Nm
17 - Locking pin
18 - Supporting element
q   Do not interchange
q   With hydraulic valve clearance compensation.
q   Lubricate contact surface
19 - Roller rocker arms
q   Check roller bearing for ease of movement.
q   Lubricate contact surface
q   Use securing clip to clip onto support element when installing
20 - Oil seal
  Note
Note the different sealing types when removing and installing the camshaft housing → Chapter.
q   Replace
q   4 parts
q   Inserted into cylinder head.
21 - Cylinder head bolt
q   Replace
q   Follow installation instructions and sequence when loosening and tightening → Chapter.
22 - Roller tappet
q   Lightly coat contact surface with engine oil.
23 - O ring
q   Replace
q   Oil before fitting

   
Checking cylinder head for distortion
Maximum permissible deformation: 0.05 mm
  V15-0654

Checking distribution timing > < Cylinder head