Volkswagen Passat 1995 Official Factory Repair Manual page 518

Engine, disassembly and assembly
http://ebahn.bentleypublishers.com/vw/servlet/Display?action=Goto&type=repair&id=VW...
Fig. 1 Marking single and double
chains
- Mark single and double chains
before removing them (paint or mark
an arrow pointing in direction of
normal engine rotation).
Note:
Do not mark the chain using a center
punch or with any method that
scratches or deforms the metal
surfaces.
Fig. 2 Bleeding double chain
tensioner
- Push a piece of wire (diameter 0.8
mm) through the hole of the pressure
piston -arrow- up to ball valve and
press pressure piston and housing
together onto stop.
Note:
If the pressure piston moves out again,
repeat bleeding procedure.
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