How to Repair a Leaking Oil Pan

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    • 1). Jack the vehicle up and place the jack stands in such a manner that they do not obstruct the oil pan removal. Refer to your vehicle's service manual for jack placement. Drain the oil and remove the oil filter.

    • 2). Remove the oil pan. This is quickly accomplished on some cars, while others may require exhaust pipe removal or loosening motor mounts and raising the engine. On some front-wheel drive vehicles it is easier to remove or lower the engine cradle than to remove the engine. Consult your manufacturer's repair manual and follow its guidelines for oil pan removal.

    • 3). Clean the mating surfaces of the engine block and oil pan. Be very thorough and patient. Scrape the old surface clean of any cork gasket material. Wipe the surface with lacquer thinner to remove any oil residue and leave a clean, oil-free surface.

    • 4). Install the gasket. Apply a very thin coat of gasket adhesive to the oil pan and set the cork gasket over the adhesive. Push the oil pan bolts through the holes to align the gasket and hold it in place while the sealer lightly bonds with the gasket. Remove the bolts and invert the pan. Let the pan sit until the sealer has thoroughly bonded the gasket to the oil pan. In tight installations, this will keep the gasket in place while the pan is installed. Place the pan in position and install the pan bolts. Do not over-tighten the bolts and deform the gasket. If the gasket is rubber, do not use any sealer. Follow the gasket maker's installation instructions.

    • 5). Install the drain plug and oil filter, and lower the vehicle. Add the recommended quantity of oil and start the vehicle. Allow it to run for 15 minutes. Check the oil pan for leaks.

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