Porsche 1989 944 S2, Workshop Manual

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15
Engine/Cylinder Head, Valves 944
6. Turn the engine in the direction
of rotation until piston reaches
its upper limit af travel.
7. Set dial gage af cylinder 1
intake-valve hydraulic tappet to 0.
8. Turn crankshaft past ignition TDC
(cylinder 1) while observing
cylinder 1 intake-valve dial
gage. Turn engine until gage
shows 1.4 +- 0.1 mm lift.
Note:
Do not turn engine in direction
opposite to direction of rotation.
9. Slacken central bolt and
temporary retaining bolts; while
doing so, ensure that the reading
of 1.4 + 0.1 mm an the dial gage
is not changed.
10. Now turn crankshaft slowly until
dial gage shows that piston
has reached the upper limit of
travel. With the crankshaft in
this position, the camshafts are
at ignition TDC for
cylinder 4.
11. Tighten temporary retaining
bolts and central bolt.
Tightening torque of central
bolt: 65 - 70 Nm (48 - 52 ftlb).
12. Recheck by turning crankshaft
through another 2 turns and
checking setting.
13. Remove temporary retaining bolts
and install distributor rotor.
15 - 104 Checking an Adjusting
Camshaft Settings
Printed in Germany