Checking and replacing the viscous fan
1 Fan wing
2 Viscous clutch
If the fan cannot be turned when the engine is not running, or if there is excessive play (axial and radial), and also if oil leaks are found on the coupling, then it is necessary to replace the viscous coupling.
To replace you need:
screw in the bolt (2) 6mm long with M5 thread in the indicated location to block the viscous clutch pulley (1) and unscrew the fastening bolt with a hex wrench (3) by 8 mm.
Remove viscous fan.
Disconnect the clutch from the fan.
Connect the new coupling to the fan. The tightening torque is 10 Nm.
Install the viscous fan back. Tighten the bolt to 70 Nm. We must not forget about the unscrewed M5 bolt.
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