300CD (123.153) L5-3.0L DSL Turbo (617.952) (1982)
13
Remove tensioning rail in upward direction.
14
Unscrew cyl. head screw M 8 in chain box adjacent to pressure bolt of chain tensioner by means of screwdriver (Allen wrench) with tommy
handle.
15
Pull out pressure bolt of chain tensioner in inward direction (arrow).
16
Clean bearing bolt.
17
Renew badly worn tensioning rails and bearing bolts.
Installation
18
Coat bearing bolt on flange with sealing compound.
19
Position tensioning rail and knock in bearing bolt by means of impact puller.
20
Place camshaft sprocket with timing chain on camshaft, while paying attention to color marks.