Volkswagen Golf / Golf GTI / Jetta. Manual — part 39

15-51

Compression pressure values

New: 10...13 bar

Wear limit: 7.5 bar

Permissible difference between all cylinders: 3

bar

- Check DTC memory:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

- Read readiness code:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

- Generate readiness code again if DTC memory

has been erased or engine control module
separated from permanent positive supply:

Repair Manual, 2.8 Liter VR6 4V Fuel Injection

& Ignition, Engine Code(s): BDF, Repair Group
01

Cylinder head, servicing

15-52

Valve gear,
servicing

1 - 5 Nm +

1

/

8

turn (45 )
further

2 - Exhaust

camshaft
bearing
cap

Before

installing
the
bearing
cap 8,
grease
lightly the
contact
surface
with G
052 723
A2

Fig. 2

Installation

position

Fig. 3

Installation

sequence

Page

15-69

,

Removing
and
installing
camshaft

3 - Seal

Replace

complete
if leaking

Oil

contact
surfaces
of seal
lightly
when
installing

Valve gear, servicing

control
housing

Spread/stretch

seal as little
as possible
when
replacing

Offset

gaps by
120

Valve gear, servicing

15-53

4 - Exhaust

camshaft

Check

radial
clearance
with
Plastigage,
Wear limit:
0.1 mm

Run-out:

max.
0.01 mm

Checking

axial
clearance

Fig. 1

Identification

and valve
timing

Fig. 5

Removing

and
installing

Page

15-69

5 - Control

housing

Lightly

lubricate
contact
surfaces
of oil seal
when
installing

Disassembling

and
assembling

Fig. 6

Check
screen of
control
housing
for soiling
before

Valve gear, servicing