Cylinder head - assembly overview — VW

VW
Fox
2004
Fox
2010
Fox
2014
SpaceFox
2006
SpaceFox
2011
Power unit
4 - Cyl. injection engine (1.6 l)
Edition
09.2015
Cylinder head - assembly overview
Check compression
Chapter
.
Note
When a replacement cylinder head is assembled, it is necessary to lubricate all contact surfaces between support elements and valve seats, before assembling the cylinder head.
The plastic shims included for open valve protection should only be removed immediately before installing the cylinder head.
When replacing the cylinder head, all coolant must also be replaced.
With the cylinder head removed, use the
Plate
VW 5541/3
to fasten the cylinder head and valve support.
WARNING
Always replace self-locking nuts and screws subject to angular torque
20 Nm + 90°
Replace after each removal.
To loosen and tighten, immobilize the camshaft gear with the
Special wrench
3036
.
Camshaft gear
Observe fastening during assembly.
Check the installation position of toothed belt
Chapter
.
10 Nm
Apply
Liquid sealant
D 000 600 A2
.
Mechanical distribution rear cover
Cylinder head cover
Sealing surfaces cannot be ground.
Cover and head form a pair; therefore, the pair engraving is on the exhaust manifold side, close to
Hall Sensor
G40
.
With integrated camshaft bearings.
Remove any residue of
Sealing compound for engines
AMV 188 001 02
or
Sealing compound for engines
D 154 103 A1
.
Apply
Sealant compound for engines
AMV 188 001 02
or
Sealant compound for engines
D 154 103 A1
before positioning.
For assembly, place in vertical position from top with guides in cylinder head holes.
Removal and installation
Chapter
.
Engine cylinder head screw
Replace after each removal.
Observe assembly and sequence instructions when loosening and tightening
Chapter
.
Oil deflector
Check assembly position.
It should be locked.
Oil reservoir lid
Replace sealing when damaged.
Finishing
Replace when damaged.
6 Nm + 90°
Replace after each removal.
Observe installation and sequence instructions when loosening and tightening
Chapter
.
10 Nm
Support
For the ignition cables.
Guide pin
Roller rockers
Check the roller bearing.
Lubricate the surface of the roller bearing with oil.
For installation, fit the safety clip to the support element.
Supplier
“INA”
with
“030”
engraving on the side near the spherical region.
Supplier
“GTT”
with
“S3011”
engraving on the side near the spherical region.
Do not mix, as in a single head only parts from the same supplier may be installed.
Support element
Do not change the working position.
With valve clearance hydraulic offsetting.
Lubricate the surface of the roller bearing with oil.
Supplier
“INA”
with
“I”
engraving on the bottom of the support element.
Supplier
“GTT”
with
“GT”
engraving on the bottom of the support element.
Do not mix, as in a single head only parts from the same supplier may be installed.
Cylinder head sealing gasket
Metal gasket.
Replace.
After replacing, replace all coolant.
Engine cylinder head
It is not allowed to grind the sealing surface on the camshaft side.
The head and the cover form a pair; therefore, the engraving for the pair is on the exhaust tube side, close to
Hall Sensor
G40
.
Check warping
Fig.
After replacing, replace all coolant.
Remove and install
Chapter
.
Cooling system pipes
Cooling system hose connection diagram
Chapter
.
20 Nm
Camshaft
Repair
Chapter
.
Removal and installation
Chapter
.
Camshaft seal
Seal with spring
Quickly lubricate with oil the sealing ring lip.
Seal without spring
The sealing ring lip does not require lubrication.
Replace
Chapter
.
Cylinder head - check for warping
Max. permissible bending: 0.05 mm