Trouble? Front lower A-arms-Pivot shaft

[jbassC10]

One of the photos you can see Im having trouble getting the rubber seal to get over the base of the ball joint? The rubber has a hard plastic or small metal bracket inside of it where it's tough spread the diameter over the ball joints base?
I've try DW-40 to lub it up a little, but no luck. The diameter of the rubber is to stiff to stretch it out to fit over?
Any tips?

The other photo: I'm having trouble tighting/sealing up the exterior nuts/ends that screw into the A-Arm and the pivot shaft screws into the female nut as the nut is screwed in. Tough to explain?
But as far as I can get it, you can still see there's a gap in between the rubber washer and the end of the pivot shaft that should be sealing up?

????