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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-19-2009
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Leaking Oil

Ok, so I noticed the other day that I'm leaking oil. Whats the best way to find out where the oil is coming from? I sense somewhere near the rear of it b/c it's been landing on my cat which I now presume is shot b/c I have a horrible shacking now.

Its an '01 4.0 sohc, auto w/almost 116,000 on the ticker.

Thanks.
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Old 03-19-2009
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Look.
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Old 03-19-2009
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Clean off any excess oil underneath. Get all the dirt off. Give it a few hours, go back to and look. Look around alot. Start from the lowest point, and work your way up the engine till you see the source.
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Old 03-19-2009
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Quote:
Originally Posted by rolsmojave3 View Post
Look.
Thanks for the obvious answer. I know to look but its kinda tough when its raining out right now and oil is everywhere. Was just hoping to get an idea on where to start.



Quote:
Originally Posted by chainfire View Post
Clean off any excess oil underneath. Get all the dirt off. Give it a few hours, go back to and look. Look around alot. Start from the lowest point, and work your way up the engine till you see the source.
Alright thanks. I'm actually going to be driving home to NJ at roughly 4 in the morning so when I get home I'll clean it up then take a nap and wake up and see what i see.
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Old 03-19-2009
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Well I don't know what other kind of answer you expected. Get as much light on the area as possible, look from top and bottom.
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Old 03-19-2009
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i have oil leaking from the front main seal.... check around the front of the bottom of the engine.
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Old 03-19-2009
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Originally Posted by Off-roadranger04 View Post
i have oil leaking from the front main seal.... check around the front of the bottom of the engine.
how many miles you got on your truck??
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Old 03-19-2009
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Check your drain plug.
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Old 03-19-2009
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how many miles you got on your truck??
i have 70,800
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Old 03-19-2009
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Check your drain plug.
+1. Sure would be nice if the whole problem was a loose drain plug.
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Old 03-19-2009
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If it's that far rearward.. it's usually from either:
The rear main seal
A head gasket
A valve cover gasket.

Valve cover and head gaskets are tough to find if the leak is bad. Oil gets everywhere.

The rear main is pretty easy to pick out because it'll be almost all rearward of the engine.

Also, don't be fooled by where it puddles. Oil "wicks" and can flow quite a distance from the actual source. Same goes for most fluids in a car.

Rich
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Old 03-19-2009
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Quote:
Originally Posted by Off-roadranger04 View Post
i have 70,800

ahh , ok I have about 80,6xx
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Old 03-20-2009
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thanks for the replies guys. Unfortuantley I wont be able to work on my truck bc i sliced my hand open at work last night and now have 7 stitches in my right ring finger so i had to bring the truck 2 a shop.
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