During a long highway drive the VC heats up and is then engaged
constantly???
my tires are yoko y370LT with 47psi front and 50 psi rear

this is only a recent problem i noticed on the last couple road trips.

i have redline MTL in the front diff as well

later,
fred

Malcolm Holser wrote:
>
> I'd suspect your VC.  These work by locking when they are hot, and
> they heat up when wheel rotation is different (like when one wheel is
> slipping).  They also heat up while driving long distances.  It is
> certainly possible that yours locks faster in reverse than in forward
> rotation.
> Check the front diff oil level, and possibly change the diff oil -- it needs
> to dispel excess heat from the VC.  Also make sure your diff is clean.
>
> Of course, it could be your trans, too.
>
> Good luck.
>
> Malcolm