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Chevy 305 Engine Rear Main Seal Replacement

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Remove the 18 bolts holding the oil pan in place using the 3⁄8 and 1⁄2 sockets, 6 inch extension and 3⁄8 ratchet.

Fourteen 3/8 bolts around the perimeter and four 1/2 bolts on each corner.

Lift the oil pan up and forward so the oil pump pick up will clear the baffle.

Do not remove the oil pan gasket yet.

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