Volkswagen Golf / Golf GTI / Jetta. Manual — part 43

15-61

Points of bearing caps (arrow -A-) of
intyake and exhaust camshafts face
outward.

Identifications on bearing caps are
legible when read from intake side.

Fig. 3

Installation position of
camshaft bearing caps

Valve gear, servicing

15-62

Note:

Valves must not be reworked. Only
lapping-in is permitted.

Valve dimensions for intake
valves

Valve dimensions for exhaust
valves

Fig. 4

Valve dimensions

Dimension

Short

intake

valve

Long

intake

valve

diameter
a

mm 31.00

31.00

diameter
b

mm

5.96

5.96

c

mm 102.20 136.10

45

45

Dimension

Short

exhaust

valve

Long

exhaust

valve

diameter
a

mm 27.00

27.00

diameter
b

mm

5.94

5.94

c

mm 102.50 136.40

45

45

Valve gear, servicing

15-63

Camshaft identification

Identification between No. 4 cyl. and
No. 5 cyl. cam pair of respective
camshaft.

Valve timing at 1 mm valve lift

Fig. 5

Camshaft identification,
valve timing

Camshaft

Identification

A - Exhaust
camshaft

022

101 Index

B - Intake
camshaft

022

102 Index

Valve

Intake

valve

Exhaust

valve

Opens
BTDC

---

211.5

Closes
BTDC

---

6.5

Opens
ATDC

18.5

---

Closes
ATDC

223.5

---

Valve gear, servicing

15-64

Fig. 6

Disassembling and
assembling control
housing

1 - Guide rail: Clipped onto control
housing

2 - Control housing:

Replaced complete with Valve

-1- for camshaft adjustment -
N205- and Camshaft
adjustment valve 1 (exhaust) -
N318-.

3 - Valve -1- for camshaft
adjustment -N205-

4 - Camshaft adjustment valve 1
(exhaust) -N318-

5 - 8 Nm: Replace (4 securing bolts)

Fig. 7

Checking control
housing screen for
soiling

- Unclip screen -2- out from rear

side of control housing -1- and
clean if necessary.

Valve gear, servicing