Porsche 928 Workshop Manual page 167

-
a
928 Engine/Cylinder Head, Valves
15
uo.
Description
35
Washer
36
Cylinder head
37 Left gasket
38 Valve keeper
39
Spring retainer
10 Outer valve spring
Inner valve spring
from 1980 models
Valve spring disc
from 1980 models
11
Shim
12
Valve stem seal
43
Intake valve
44
Exhaust valve
45 Valve guide
46
Plug
47
Seal
48 Dowel pin
Qty.
20
Removing
Note When:
Installing
2
1
Replace, position
COWCtly
32
Position correctly
16
16
16
Position correctly.
Springs with red dot
face down and
springs with green
dot face up Ito
tappets). From 3.81
(928 S) springs with
white dot face down
or up.
16
X Note quantity
Measure again if
"XESSX"
16 Always replace
8
a
16
Special
Instructions
Note different
versions
(see page
15.8d)
Note different
versions
bee page
15.8d)
a
Printed in Germany VII, 1983 Disassembling and Assembling Valve Drive
15-5