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Shim Pack

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A notorious area for leaks is the shim pack. We cleaned and reused our shims, but the gasket and seal kit comes with new ones if needed. If you replace them, carefully measure the thickness of the old pack so you can duplicate the shaft's end play with the new pack. Coat each side of each shim, the T-case, and the retaining plate with Permatex Aviation Form-A-Gasket.