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    Oil Pan - Engine


    Installing the Oil Pan

    • Make sure the sealing surface of the pan's rim is flat and capable of providing a seal before reinstalling it.
    • Check the flanges of a steel oil pan for warpage.
    • Use a straightedge or lay the pan, flange side down, on a flat surface with a flashlight underneath it to spot uneven edges.
    Checking the flatness of an oil pan flange. Used with permission of Detroit Gasket - Copyright 1999.
    • Carefully check the flange around bolt holes. Minor distortions can be corrected with a hammer and block of wood.
    • If the flanges are too bent to be repaired in this manner, the pan should be replaced.

    Once it has been determined that the flanges are flat, install the oil pan with a new gasket.

    • Tighten the screws evenly. Do not tighten any of the screws all of the way until all of the screws are started in their threads.
    • Use an inch-pound torque wrench to torque the screws to specifications.
    • Look this up in the service manual. Specifications usually range from 60 to 150 inch-pounds. This is not very much, but it compresses the gasket and allows it to work properly.

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