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Transfer Case Lock Health Check

Skyhawk13205

Well-known member
191
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Location
Alaska
I have been trying to find a simple way to determine if the transfer case locks. The only ways I can figure is to:

1: get it stuck and see if front and rear spin at the same rate.
2: check the c7 clutch pressure vs main.
3: check for binding on turns on a hard surface.

The safest and least damaging method I can think of is to just check the clutch pressures, but that involves some work.

My gripe is that the C7 clutch pack pressure is not monitored, there is no failure indication besides getting stuck and noticing the tires are not spinning. Any other clutch failures would give ratio errors or some type of feedback. It would be good to have some test or tryout to know of the failure before attempting to drive through an obstacle. I was thinking installing a pressure switch that would annunciate a light if the clutch pack is pressurized would be a great upgrade.
 
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