Procedures
Remove/Install Chain Tensioner
Shown On Engine 112 In Model 129:
1 Remove viscous fan (1)
NOTE: Right-hand thread!
2 Remove fan shroud (2).
NOTE: On model 163 unscrew bolts at bottom of fan shroud. Model 463
3 Remove poly V-belt (3)
NOTE: Installation: Lock tensioning device with a drift or pin (diameter 5 mm).
4 Remove generator (4)
5 Take chain tensioner (6) off timing case cover (5)
NOTE: Installation: Replace sealing ring (7).
6 Install in the reverse order.