Porsche 928 Workshop Manual page 254

15
Engine/Cylinder Head, Valve Drive
928
,
17.
18.
Apply Loctite 674 to mating
surfaces of front and rear
double-bearing bridges.
Recheck camshaft correlation
with gage from Special Tool
Set 9226.
19. Use Special Tool assembly sleeve
9233 and pressure piece 9234 to
drive in sealing ring on the
camshaft input side. Oil sealing
lip before assembly.
Note
The camshaft adjustment gauges for
cylinders 1 and 5 are discontinued
as from model year 87, engine type
M 28. 41142
2. The timing chains must always be
replaced after a toothed belt has
failed, if the pistons have caused
damage to the valves. Sprockets
and chain tensioners must be sub-
jected to a thorough visual
inspection.
a
a
15 - 128
Removing and Installing Camshafts XX&l988 -
Printed in Germany