Porsche 928 Workshop Manual page 421

24
Electronic Fuel Injection - LH-Jetronic 928
lO.Unbolt intake manifold from
cylinder head and lift slightly.
Disconnect all remaining vacuum
and crankcase breather hoses and
remove intake manifold.
ll.Unbolt throttle-valve housing
from intake manifold and remove
rotary idle actuator.
Installing
l.Always renew gaskets for intake
manifold.
Take care to ensure that the
vacuum hoses and breather hoses
are correctly routed.
2.Carry out visual inspection to
check for leaks.
3.Check that vacuum hoses and hose
clamps are correctly seated.
Throttle-valve housing to intake
manifold attachment, tightening
torque 20 Nm (14 ftlb).
Intake manifold to cylinder head
attachment, self-locking nuts,
tightening torque 15 Nm (11 ftlb).
Note:
Special Tool 9266 can also be used
to open other 2-pole connectors.
a
24 - 224 Removing and Installing
Rotary Idle Actuator
Printed in Germany