Replacing Spark Plugs - Porsche 928 Workshop Manual

928
Ignition System
28
a
REPLACING SPARK PLUGS
1. Detach both air intake hoses.
2. Disconnect rubber straps at air cleaner lower
section and take out filter element.
3. Loosen and detach vent hose. and pull out
a
flame trap.
-1
II
P
/
-4 :
I
4. Loosen and pull out air cleaner lower section
clamping bolt in intake branch. Loosen air
cleaner lower section bolts and remove air
cleaner lower section to the right.
:* .~
'. p Y> _
\'
I',/ ,,
--* :
!,
5. Unscrew spark plugs with a standard socket.
Installation Imtructions
1. Apply a light coat of Molykote HTP white
paste to plug threads.
2. Tightening torque: 25 10 30 Nm (18 to 22 frlb)
a
Printed inGermany - IV. 1QEO
Replacing Spark Plugs
28 - 9