@Cheers MightyMouse
in order to avoid any risk:
I thought to dismantle visco and wash separately the fan.
It's some hussle I recon but it's safer. I've already done this operation when replaced both of my belts cause was to lazy to take of ARB front bumper and ASFIR front skid.
John
Ps: regarding lousy stuff....neither the CRD alu radiator is on a "safer side" though!
Have a wonderful wheeling week-end out there!