NOTE: Right-hand thread!
NOTE: On Model 163 unscrew bolts at bottom of fan shroud.
NOTE: For this step, swivel stud bolt (4) at tensioning pulley (5) in anti-clockwise direction Lock tensioning pulley with drift or pin (5 mm diameter ). External Torx set: See "Special Tools" given below. Inspect
NOTE: Belt pulley of coolant pump
NOTE: Installation: The installation position of the fan is preset through cast-on ribs at fan ring.