volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing cylinder head cover > < Cylinder head
Assembly overview - cylinder head
   
Assembly overview - cylinder head
1 - Toothed belt guard - upper part
2 - Toothed belt
q   Mark direction of rotation before removing.
q   Check for wear.
q   Do not kink.
q   Removing, installing and tensioning → Chapter.
3 - 10 Nm
q   Renew
4 - 25 Nm
5 - 100 Nm
6 - Camshaft toothed belt pulley
7 - Hub
q   With sender wheel.
q   Use counter-hold tool -T10051- to loosen and tighten.
q   To remove, use puller -T10052-.
q   Removing and installing → Chapter, Removing and installing camshaft.
8 - Rear toothed belt guard
9 - Sealing grommet
q   Renew if damaged
10 - Hall sender -G40-
q   For camshaft position
q   To remove sealing grommet → Item, unbutton from toothed belt guard.
11 - Cylinder head bolt
q   Observe sequence when loosening and tightening → Chapter.
q   Before installing, place washers in cylinder head → Item.
12 - Fuel return line
13 - Fuel supply line
14 - Coolant line
15 - Cylinder head cover
q   With pressure relief valve for crankcase breather and vacuum reservoir
q   Before fitting new seal, sealing groove and securing bolts should be cleaned thoroughly.
q   Before fitting, thoroughly clean sealing surface of cylinder head with clean cloth.
q   Removing and installing → Chapter.
16 - Vacuum hose
q   To connecting piece between tandem pump and brake servo
17 - Cap
q   Renew seal if damaged.
18 - To intake hose for air filter/turbocharger
19 - 10 Nm
q   Note tightening sequence → Chapter, install cylinder head cover.
20 - Cylinder head cover gasket
q   Renew if damaged
q   Before fitting new seal, sealing groove and securing bolts should be cleaned thoroughly.
q   Before putting in place, seal transitions with “AMV 174 004 01”, → Chapter Removing and installing cylinder head cover.
21 - 20 Nm
22 - Lifting eye
23 - Unit injector
q   Removing and installing → Chapter.
24 - 10 Nm
25 - Central connector
q   For unit injector.
26 - From brake servo
27 - Tandem pump
q   For fuel and vacuum supply.
q   Checking → Chapter.
q   Removing and installing → Chapter.
q   Must not be taken apart
28 - Supply hose
q   From fuel filter → Chapter.
q   White or with white marking.
q   Check that it is securely seated
q   Secure with spring-type clips.
29 - Return hose
q   To fuel filter → Chapter.
q   Blue or with blue marking
q   Check that it is securely seated
q   Secure with spring-type clips.
30 - Gasket
q   Renew
31 - Bracket
32 - 25 Nm
33 - Cylinder head
q   Removing and installing → Chapter.
q   After renewing, renew entire coolant.
34 - Cylinder head gasket
q   Renew
q   Note marking → Fig..
q   After renewing, renew entire coolant.
35 - Ceramic glow plug
q   15 Nm
q   Installation instructions and notes should be strictly adhered to → Chapter
36 - Tensioning roller
37 - 20 Nm + 1/8 turn (45 °) further

   
Checking cylinder head for distortion
Special tools and workshop equipment required
t  Straight edge
t  Feeler gauges
Max. permissible distortion: 0.1 mm.
  Note
Reworking diesel cylinder heads is not permissible.
  V15-0673
Cylinder head gasket identification
t  Part No. = arrow 1
t  Holes = arrow 2
t  Production control code = arrow 3 (can be disregarded)
  Note
t  Different thicknesses of cylinder head gasket are fitted depending on the piston projection. When replacing cylinder head gasket, install new gasket with same identification.
t  Piston projection at TDC must be determined when installing new pistons or a short engine. → Chapter
  N13-10117

Removing and installing cylinder head cover > < Cylinder head