volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Removing and installing cylinder head > < Cylinder head (engine codes BDE, BFH, BJS, BML)
Assembly overview - cylinder head
   
Assembly overview - cylinder head
1 - 10 Nm
2 - Bracket
q   For fuel lines
3 - Retaining frame
4 - 10 Nm
q   With spacer sleeve and seal.
q   Renew seal if damaged.
5 - O-ring
q   Renew if damaged.
q   Lubricate before installing.
q   For ignition coil with output stage.
6 - Cap
q   Renew seal if damaged.
7 - Cylinder head cover
q   Removing and installing → Chapter
q   Renew if damaged.
8 - Lifting eye
9 - 23 Nm
10 - Camshaft timing chain
q   Before removing, mark direction of rotation (installation position) → Fig..
q   Renew. → Chapter.
11 - Combination valve
q   Removing and installing → Chapter
q   Checking → Chapter
12 - Inlet camshaft adjuster valve 1 -N205-
q   For inlet camshaft.
q   Before removing, mark connector belonging to component.
13 - Exhaust camshaft adjuster valve 1 -N318-
q   For exhaust camshaft.
q   Before removing, mark connector belonging to component.
14 - Bracket
q   For wiring harness.
15 - O-ring
q   For sealing oil channel.
q   Renew.
q   Lubricate before installing.
16 - Hall sender 2 -G163-
q   For exhaust camshaft.
q   Before removing, mark connector belonging to component.
17 - Chain tensioner, 40 Nm
q   For camshaft timing chain → Item
q   Only rotate engine when chain tensioner is installed.
18 - Seal
q   Renew if damaged or leaking.
19 - Bracket
q   For wiring harness and earth connection
20 - 8 Nm
21 - Seal
q   For inlet camshaft adjuster valve 1 -N205- → Item and exhaust camshaft adjuster valve 1 -N318- → Item
q   Renew if damaged or leaking.
q   Installing → Fig..
22 - Thermostat housing
q   Removing and installing → Chapter
q   Assembly overview → Chapter.
q   Coolant hose schematic diagram → Chapter.
23 - Seal
q   Renew.
24 - Hall sender -G40-
q   For inlet camshaft.
q   Before removing, mark connector belonging to component.
25 - Cover
q   Can be removed and installed with engine installed.
q   Removing and installing → Chapter
q   If only cover has been removed, prepare cylinder head gasket for assembly → Fig..
q   With O-ring for sealing oil channel → Item
26 - 60 Nm + 1/4 turn (90°) further
q   Renew.
q   Contact surface of sender wheel must be dry around bolt head when assembled.
q   To remove and install counterhold with 32 mm open-end spanner on camshaft → Chapter
27 - Exhaust camshaft adjuster
q   Identification: 32A.
q   Rotate engine only with camshaft adjuster installed.
q   Removing and installing → Chapter
28 - Guide rail
q   For camshaft timing chain → Item
q   Clipped into valve timing housing.
29 - Inlet camshaft adjuster
q   Identification: 24E
q   Rotate engine only with camshaft adjuster installed.
q   Removing and installing → Chapter
30 - Cylinder head gasket
q   Metal gasket.
q   Renew.
q   After renewing, renew entire coolant.
31 - Cylinder head
q   Check for distortion → Fig..
q   Removing and installing → Chapter
q   After renewing, renew entire coolant.
32 - Tensioning element
q   For poly V-belt.
q   Removing and installing poly V-belt → Chapter.
33 - Cylinder head bolt
q   Renew.
q   Follow installation instructions and sequence when loosening and tightening → Chapter.
34 - Gasket for cylinder head cover
q   Renew if damaged or leaking.
q   Note installation position.

   
Checking cylinder head for distortion
Special tools and workshop equipment required
t  Straight edge
t  Feeler gauges
t  Max. permissible distortion: 0.05 mm.
  N15-0342

Removing and installing cylinder head > < Cylinder head (engine codes BDE, BFH, BJS, BML)