I've missed out on this thread when I've been searching for VCU replacements. How are you getting on?
To those that knock you, just give them a
:mooning:
I like what the VCU does, I don't like the way it does it because of its reliability and inability to detect problems. Who wants to jack a wheel up each week, do a VCU test (that isn't very acurate anyway) and rotate all the tyres. Then find its going to trash your transmission anyway.
My current thinking is to remove the props, vcu & pinions. Replace the IRD pinion with a hydrulic pump and bolt a hydraulic motor onto the rear diff. In the pipework would be valves calibrated to limit the torque to the the rear diff to levels safe enough to not destroy the IRD for on-road use. This would give safe and capable on-road AWD abilities. Then a button on the dash to close the valves for off-road (I do a fair amount of beach driving). I don't know much about hydraulics. I've been reading up and researching, but the only thing I've concluded so far is that hydraulic equipment is expensive!