How do you remove the front inner shaft in a 1999 Dodge 1500 4wheel drive?

If you aretalking about the axle shaft between the wheel and differential on the front first loosen the lug nuts on either side that need to be removed. the jack the truck up and support with jack stands. Remove the tire and the brake calipers. Then using a 43 mm socket remove the hex nut on the spindle (axle shaft) . there are 3 bolts on the inside of the hub (9/16) which need to be removed. You might have to separate the bearing retainer ( the part that the 9/16 bolts hold) from the housing by prying between them. The axle shaft should pull out from the differential by hand force.