Viscous Fan Topped up with Silicone Fluid and a Coffee

Viscous fans are not called fan clutches, they are viscous couplings. Here I check the fan and top it up with Silicone Oil.

Part Number for the oil - Toyota Part 08816–10001
Available from here (no affiliation) - https://www.ebay.com.au/sch/i.html?_id=266978591463&_nkw=TOYOTA%20FAN%20CLUTCH%20SILICONE%20OIL%20VISCOUS%20HUB%2010000%20CST%2018ML%200881610001&_sis=1