Posi rea end?

[CCNV3500]

Greetings all.  I have a 2019 NV3500.  Love everything about the van except the rear end.  I got stuck yesterday on level ground on a dirt road that had about 1/2inch of muck on it.  I get stuck on my level driveway in snow.  Forget about hills or any inclines in the snow.  This is my first Nissan brand Van and my 14th van which have all been Ford 350's and 450's.  Also a few GMC's.  Turning off traction control does nothing .  Thinking of selling van as I live in the Northeast and it's useless in the snow.  By comparison I plow snow with a E350 2WD and van grind my way up most hills.  Is there a replacement rear end or an upgrade for the NV3500?  Otherwise it's for sale with 11k miles on it .  Thanks for your helo.

[crusty]

As long as the ABS is working correctly, yes it does have a limited slip.  Not mechanical, electronic traction control.  If you are an old school driver (sounds like you are) and lift off the throttle when you get the first bit of wheel spin then it isn't going to work.  It is a reactive system.  When there is tire spin, it applies a little brake to the spinning tire to transfer torque to the other tire.  It is also a multi-stage process.  As in if a little brake apply didn't work, add more.  I've seen this system with one rear tire in the air and the other tire driving better than old school limited slips will do.  The key is a slightly different driving approach to tire spin.  Hold throttle, possibly add a very slight bit more (10%?).  If you don't do that, you will not progress.

 

Next up, tires.  Don't care what axle you have, if the tires are not correct for the terrain you will never win the fight.  You plan on selling a perfectly good van because you don't have the correct tires on it?