Removed mechanical fan myself. Fairly easy just four screws. Much like removing a tire. Tricky part is removing the plastic cover around the fan. I can only remove the two screws which were exposed but not the other two which were hidden under the driver's seat. Since one side of the plastic was already broken, I just broke the other side so that i could easily lift the fan clutch out. Brought it to Roger Auto care. They charged me 150 for the labor. I just had to buy 3 vials of silicon oil costing 65 each. 345 total cost. Not bad!
Just had to mighty bond plastic cover though!

Will be testing the van tomorrow. Hope this solves the problem!
Will post the results tomorrow.
Abangan!