wildman7718 wrote:
> I have a 96 S-10 with the zr2 off road package that I use to plow
> snow. Recently after attempting to plow a 13" snowfall, I realized my
> 4wd is not working. I traced down the problem and the transfer case
> is engaging the front driveshaft, but the hubs aren't engaging. DOes
> anyone have any ideas? they would be greatly apreciated.

Check the vaccuum motor that pulls the cable that goes to the front
diff. (Cable activates the internal "locking hubs" inside the front diff)

This is the most common problem with S-10's when front wheels do not
engage.