Leak on the Driveway

J L Dunn

J L Dunn
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My truck has developed a leak. It is coming off the transmission housing in the middle of the truck. What and where is this coming from?

JLD
 

bushpilot

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could be just about anything...from

oil blowing back thru the valley from
the hpop (which is WAY up front on the 7.3)

fuel from the lines or fuel / filter bowl.

rear main seal

coolant

trans...
 

J L Dunn

J L Dunn
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Oil Leak

Hope this is the forum I need...

My
99 F-250 7.3 w/170,200 miles has started an oil leak.

I appears to drop an area of a small dinner plate over night where ever it's parked. The leak is from the middle of the truck, and one man who looked under it (at 80 yrs young, I don't look under the truck any more :)) said it was a drip off the transmission housing at the back part of the engine.

HELP?

Any suggestions?

At my age, when I take vehicles into a service center, I always seem to be quoted what ever the traffic might bear...at least that's the way I feel I'm being treated. I don't want to buy a new engine.

Thanks,

JLD
 

fgtex

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The place to start looking is at the front end of the top of the engine. The leak will follow gravity down the back of the engine. There are several spots that can be leaking.

Fuel/water seperator drain valve?
Turbo pedestal o-rings?
And other things.

I am still trying to track down a leak on my truck.
 

02stroker

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First place I would look is the HPOP o-rings. Had them replaced twice in mine so far. The oil runs down the valley and down over the bell housing. Thought my rear crank seal was out the first time. Depends on how bad they are leaking. Sometimes only a few drops, other times a big puddle.
 

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