Removing And Installing Chain Tensioner For Camshafts - Porsche 928 Workshop Manual

928
Engine, Cylinder Head, Valves
15
REMOVING AND INSTALLING CHAIN TENSIONER FOR CAMSHAFTS
1. Unscrew and remove cross strut.
Note
Car must be on its wheels - cross strut has
tension.
2. Remove air intake hoses and complete air
cleaner.
3. Loosen hose clamps on intake air
distributor and vacuum pipe. Pull off and
lay suction pump aside. Loosen hose
clamps on intake air distributor and
intake pipe, and take off intake air
distributor.
4. Unscrew suspension eye on engine only
at rear left.
5. Pull off spark plug connectors and take
ignition leads out of holder on cylinder
head cover. Unscrew and remove
cylinder head cover.
Note
Note that some bolts are with and some
without a seal when unscrewing the
cylinder head cover.
6. Unscrew and remove hollow union bolt
with check valve on cylinder head. A
seal is only used underneath the bolt
head. Unscrew and remove chain
tensioner on cylinder head.
Printed in Germany - x,
,994 Removing and Installing Chain
Tensioner for Camshafts
15-129