Porsche 928 Workshop Manual page 274

17
Engine - Lubrication
928
ASSEMBLY INSTRUCTIONS
OIL PUMP, REMOVING AND INSTALLING
Removing
l.Lock oil pump drive wheel
with special tool 9157, un-
screw retaining nuts and pull
off drive wheel.
Note
Use special tool 9157/l to lock
oil pump drive wheels with HTD tooth
shape (83 models onward).
/ _.
P-
1-,-.-_ -
_\q
2.Unscrew the oil pump mounting
bolts and remove oil pump.
Installing
Note
Measure axial play before instal-
lation. The measurement must be
carried out with the pump dry, in
other words without oil.
l.Use gauge holder VW 387 and
threaded section to measure axial
play.
Axial play 0.08
to 0.1 .2 mm
2.If necessary, remove inner
rotor.
Size 21 -"'080 mm
-0.095
3.When installing a replacement
oil pump, do not remove trans-
port fixture until mounting bolts
have been tightened.
17 - 6 Oil Pump, Removing and Installing XII, 1986 - Printed in Germany
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