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A more experienced and wiser member explained it all a very long time ago. Early GQs ran gearbox oil in their Transfer cases.(Hence the listing calling for Gear Box Oil) . Mark, please check the year of publication. It was found that the shaft running through the Transfer case could cause the chain to rotate, making the front drive train turn. It was more prominent in colder weather. My '94 runs Auto Trans Fluid, but has manual hubs.
I would expect auto hubs to try and engage if the heavier gearbox oil was used.
Last edited by mudnut; 27th December 2019 at 01:05 PM.
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