volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing cylinder head > < Cylinder head
Assembly overview - cylinder head
   
Assembly overview - cylinder head
1 - Cylinder head gasket
q   Renew.
q   Cylinder head gasket identification → Fig..
q   Renew coolant and engine oil after replacing.
2 - 10 Nm
q   Insert with locking fluid, locking fluid → Electronic parts catalogue.
3 - Hall sender -G40-
q   For camshaft position.
q   Removing and installing → Chapter
4 - Cylinder head
q   Removing and installing → Chapter.
q   To prevent damage to glow plugs, always place cylinder head on a soft foam surface after removal.
q   Check for distortion → Fig..
q   Must not be reworked.
q   Before installing, check that the two dowel sleeves for centring cylinder head on cylinder block are fitted.
q   Renew coolant and engine oil after replacing.
5 - Washer
6 - Cylinder head bolt
q   Renew.
q   Sequence when loosening → Fig..
q   Specified torque and tightening sequence → Fig..
7 - Oil pressure switch -F1-, 20 Nm
q   Switch pressure 0.3…0.6 bar
q   Removing and installing → Chapter.
q   Checking → Chapter.
8 - Seal
q   Renew.
9 - 20 Nm
10 - Engine lifting eye
11 - Seal
q   Renew.
12 - 20 Nm
13 - Gasket
q   Renew.
14 - Vacuum pump
q   Removing and installing → Chapter.
15 - 10 Nm
16 - Connection
q   For coolant hoses
q   With coolant temperature sender -G62-
17 - 9 Nm
18 - Gasket
q   Renew.
19 - 20 Nm
20 - Engine lifting eye

   
Observe sequence when loosening cylinder head bolts
–  Slacken cylinder head bolts in the sequence -1 … 10-.
  N15-0026
Checking cylinder head for distortion
–  Use straight edge and feeler gauge to measure cylinder head for distortion at several points.
l  Max. permissible distortion: 0.1 mm.
  Note
Cylinder heads for TDI engines must not be reworked.
  V15-0654
Cylinder head gasket identification
1 - Part number
2 - Holes
3 - Ignore
  Note
Different thicknesses of cylinder head gasket are fitted depending on the piston projection. If only cylinder head gasket is removed, install a new cylinder head gasket with same identification.
  A15-10508
Cylinder head - specified torque and sequence
  Note
Renew bolts for cylinder head.
–  Tighten bolts in 4 stages in the sequence shown:
  V15-0738
StageBoltsSpecified torque/turning further angle
1.-1 … 10-30 Nm
2.-1 … 10-50 Nm
3.-1 … 10-Turn 90° further
4.-1 … 10-Turn 90° further

   

Removing and installing cylinder head > < Cylinder head