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Is sealant required in application of gasket for transmission pan a 1993 Chevy silverado?

For a 1993 Chevy Silverado transmission pan, it's generally recommended to use a gasket sealant in addition to a new gasket. While some gaskets might claim to be "self-sealing," relying solely on the gasket can lead to leaks, especially on older vehicles where the mating surfaces might be slightly warped or imperfect.

Using a compatible gasket sealant (follow the instructions on the sealant you choose – many are specifically for transmission pans) helps create a better seal and prevents leaks. Apply a thin, even bead of sealant to the gasket according to the sealant manufacturer's instructions, *not* directly to the transmission pan.

In short: Yes, using sealant with a new gasket is the best practice for a reliable seal.

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