CLK 55 AMG (208.374) V8-5.5L (113.984) (2001)
Drive Belt Tensioner: Service and Repair
Remove/Install Poly-V-belt Tensioning Device
Shown On Engine 112
1
Remove viscous fan (1)
2
Remove fan shroud (2).
NOTE: On Model 163 unscrew the screws at the bottom of the fan shroud.
3
Remove poly-V-belt (3)
4.1 Rotate the tensioning pulley (4a) in the anti-clockwise direction and lock
NOTE: Lock tensioning pulley with drift or pin (diameter 5 mm).
4.2 Rotate the tensioning device at the hexagon (4b) in the anti-clockwise direction and lock
NOTE: Lock tensioning device with a drift or pin (diameter 5 mm).
5
Unscrew the gas-operated spring (5) from the coolant pump
Shock absorber of belt tensioning device at the coolant pump housing - 35 N.m
6
Remove tensioning device (4)
Self-tapping screw of belt tensioner at the timing case cover
-
Thread not pre-tapped - 35 N.m
-
Thread pre-tapped - 25 N.m
7
Unscrew gas-operated spring (5) from the tensioning device (4)
Shock absorber of belt tensioning device - 25 N.m
8
Install in the reverse order