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Grease

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If needed, reseal the input and output shaft housings with a little RTV, and then reassemble the needle bearings inside the intermediate gear. Heavy grease is okay for this step, but it doesn't always dissolve well into 80-90W gear lube. We use Dr. Tranny's Assembly Goo, which is a thick, waxy goop that really holds small parts together well, yet completely dissolves once the T-case comes up to operating temperature.

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