Another oil leak question? - Ford Powerstroke Diesel Forum
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Old 12-18-2010, 12:43 PM Rookie

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Another oil leak question?

I have a 99 F250 7.3 6 speed which im getting an oil leak from. It leaks down the back of the motor actually comes out of the bellhousing like maybe a rearmain but there is oil up top too. It leaks the worst after a while of driving on the interstate while in boost for good amounts of time. i work 40 miles away and interstate all the way there and back leaks around a quart a week. Any ideas?
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Old 12-18-2010, 12:57 PM
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Start at the top of the motor in the valley at the front. Your High Pressure Oil Pump is there, notorious for leaking around the o-rings. If no oil in the front of the valley, it's most likely turbo pedestal o-rings. Get a good flashlight, a rag, and some brake cleaner. clean where you find oil then start it up and look for oil. If nothing, drive around the block and look again.

Hpop o-ring video
Turbo Pedistal Oring RnR

These should help
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