The water pump backing plate/adapter cover IS removed because the water pump has 5 bolts on the back that connect the pump to the backing/adapter place., NOT the timing cover or front cover in your pic..... the gears can't be removed or seen very well without removing the timing cover....
As...
Obviously it wasn't, the directions say to grind the shafts for clearance.... those gaskets that can be purchased aren't anywhere close enough to get .050" clearance unless a person uses 8-10 of them....
@CursedH1
There is no gasket from the factory, I don't use gaskets, the idler gears are supposed to be put in place and the clearance of the shafts checked so they will float.... I use clay for measuring the clearance, I go for .050" clearance... This is after the fact your gears bound up and...
I'm going to be blunt here...
You own a truck you don't know much about and it sounds like you can't work on it on your own.
You should consider selling it and buying a plane ticket home then get in another sport car, something you are use to and move on...
I use the diamond disc, they clog up on aluminum but work good on steel and don't contaminate when tig welding... I use a needle scaler if there is heavy scale...