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Oil leak

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Old 02-24-2012, 07:41 PM
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Oil leak

Theres an allen bolt on the back of the head in which can cause an oil leak when loose. What size is the allen bolt?
 
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Old 02-24-2012, 07:55 PM
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It should be a square drive not an allen wrench. There's an o-ring behind there that will likely need replacing instead of just trying to tighten up that plug. Replacement O-rings for Ford Diesel Engines
 
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Old 02-24-2012, 08:12 PM
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Oil Leak

What size drive is it?
 
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Old 02-24-2012, 08:15 PM
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Originally Posted by F350-6
It should be a square drive not an allen wrench. There's an o-ring behind there that will likely need replacing instead of just trying to tighten up that plug. Replacement O-rings for Ford Diesel Engines
What size square drive is it?
 
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Old 02-24-2012, 08:22 PM
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I believe it's a standard 1/2" drive.
 
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