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Adapter

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Here is the transmission-to-transfer-case adapter. The adapter is bolted to the transmission with hardened socket-head cap screws with a black oxide finish. You can't torque the cap screws too much, or you risk damaging the 30-year-old aluminum TH400 transmission case. Removable threadlocker from a stick was applied to the cap screw prior to assembly, and the bolt holes in the transmission were primed with 7649 since both the bolts and transmission case are relatively inactive surfaces. The cap screws were adequately snugged, and the threadlocker will ensure they won't back out.

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