Re: Wits End - Leaking Oil

Posted by Janicholson on October 25, 2005 at 17:32:43 from (66.173.50.109):

In Reply to: Wits End - Leaking Oil posted by Farmall Frank on October 25, 2005 at 15:07:23:

If the pan is leaking, and the tracer indicates that to be the case, ( I'd clean it off and run it again with me watching, and sombody else starting it), the next step is to remove the pan without disturbing the gasket. Keep the bolts organized to assure that you know which holes they came out of. Look at the gasket and see if there is clearly places it was not pressed into the block, and where it is smudged with oil flow. Take a bolt (from the area of the leak) and try it in its hole. If it tightens up before the bolt head gets very close to the block, there may be either long bolts, or obstructed threads. I've seen both happen. Run a bottoming tap into the holes to be sure they are clean, and use different bolts if they seem too long, as above. Place a very flat surface (piece of glass) on the pan mating surface to check flatness by observation. careful straightening can rescue the pan if bent.
Installation:
Install the pan loosely with no bolts more than finger tight. then tighten them all evenly untill the gasket toughees and all are equal. Then turn them in 1/4 turn each untill they start to pinch the gasket. then use a torque wrench to tighten each to a portion of the final torque until they are all correct.
The pan gasket should bulge just a bit in the crack when the bolts are fully tightened.
I don't know the spec. , but it should be in the manual. This may seem excessive, however doing it for the fifth time is worse.
JimN

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