Quote:
Originally Posted by 95 S_Trucker
Black transfer case fluid means the clutches got burnt. Pump rub is a problem on the NP246 transfer cases. Keep that in mind if you get yours rebuilt or if you get a used one.
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What usually causes burnt clutches in these transfer cases? Obviously using wrong fluid. Low fluid. Unserviced fluid. But as far as operation aren’t the clutches fully engaged in 4hi and 4lo? I would assume the clutches come into play during AUTO and during selection changes... just like shifting your gears on a manual transmission.
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