we all of a sudden got about 20 inches of snow and now my 4x4 isnt working. the light is coming on in the dash both 4x4 and low range but my transfer case isnt locking to turn my front drive shaft for some reason. Anyone have any ideas? Its definatly sad when i got pulled out of a snow bank today by another truck when mine is all lifted and with big tired
Is the transfer case actually going into low range when told to do so? If it is, then the transfer case is switching modes when commanded. I think the dash lights indicate what mode the transfer case is actually in. I don't believe the lights are hooked to the switch. So if the lights say 4x4 high or 4x4 low, I'd tend to believe that is what the transfer case is really in. If that assumption is correct, I'd look for the cause of the problem elsewhere than in the transfer case.
Do you have the O.E.M. locking hubs? Those ESOF hubs are the biggest P.O.S. ever made. If you want something that is reliable and works when you need it, get rid of them and put some full manual Warn locking hubs on. They are very quick to install. I did mine a few years back and it only took about 20 minutes for the first one and 10 minutes for the other side. (Practice makes perfect.
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The only other thing you need to do is remove the vacume line for the ESOF at the vacume reservoir and plug the port so you'll get air out places other than just your windshield defrosters.
I've got pics in my webshots, linky is below.
