Porsche 928 Workshop Manual page 259

15
Engine/Cylinder Head, Valve Drive
928
CHECKING AND ADJUSTING CAMSHAFT SETTING, 85/86 MODELS ONWARD
ENGINE TYPE M28. 43/44/45/46
Precondition:
Timing belt tensioned as specified.
Specification: 5.0 + 0.3 scale
gradations.
l.Turn engine in direction of
rotation to TDC (cylinder No. 1).
Cylinder bank l-4
Note:
Both distributor fingers point left
in forward direction of travel.
wc!yw?-Ks wc!yw?-Ks
.fl,.:* _ .fl,.:* _
,fi. ,fi. --'y,% . --'y,% . _ _
t t
;ll .' ;ll .'
-- --
:- -_- --" ,:; _, :- -_- --" ,:; _, -" -"
,, m,. ,~ _' :& ,, m,. ,~ _' :&
,' ."f ,' ."f
2.In this position, the marks on
the camshaft gears and the flange
bearings must also be aligned.
, .,".",y-
! -"i
y". I ;i'l;
1, ;;;::',.
.:;,;,y.?. ---qpmp$
:r:r-km7e
Cylinder bank 5-8
3.At the same time, check the marks
(older engines) or noses (newer
engines) on the camshafts.
Both marks point toward exhaust
side.
a
15 - 132
Checking and Adjusting Cam-
XIII, 1986 - Printed in Germany
shaft Setting