Please help identify this part and problem - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 01-14-2020, 03:44 AM Thread Starter
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Please help identify this part and problem

Hello,
This is the first post I have for this forum. Thank you for taking the time to read.

I am very new to diesel engines.

About the truck. I bought this truck about 4 months ago. This truck had its engine rebuilt last year. In fact, the engine just came out of the 1 year warranty. The transmission is three years old.
I just did an oil change about 2 months ago, including the oil filter. I have NOT changed the fuel filters since I've owned it.

I have two things I was hoping to get to the bottom of.

1. I was looking under the truck the other day and found some type of oil leak. I have not seen any drips on my driveway so I'm not sure if its an old leak or new, or just very slow. Can someone please help me identify what this leak may be coming from?

2. I am having this no start when hot issue. After driving for a bit, if I shut it off it does not want to start for about 20-30 minutes. Whenever that happens, it seems to start better when I give it a little gas while starting. Any thoughts?



Thank you all.
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post #2 of 12 Old 01-14-2020, 06:51 AM
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It would be helpful to know what year / engine you have.

Based on the picture, I think those lines are trans cooler lines. Is there anything that seems to leaking above those line dripping down onto them?

If you haven't yet, go up to "Forums" in the black nav bar, use the drop down to find your year/engine forum. Pretty sure you'll find great info. Plus each forum comes with lots of helpful members!


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post #3 of 12 Old 01-14-2020, 07:52 AM Thread Starter
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Thank you for the response.
It is a 2006 Ford F350 6.0

I will check out that section you referenced.
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post #4 of 12 Old 01-17-2020, 03:27 AM Thread Starter
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I think I know what this part is now. Its either called the Oil Pressure Check valve, or the Low Pressure Oil Relief Valve. Anyone know if this leak could cause a no start when hot issue?
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post #5 of 12 Old 01-17-2020, 05:47 AM
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If you want to find that leak, look way up top for the cleanest area leading from there.

Thats where it starts, then clean the area spot less and it will show itself.

One thing to remember is diesels, especially turbo diesels, leak oil.
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Quote:
Originally Posted by djmaguire View Post
So says the internet... ...and so it shall be.
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Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #6 of 12 Old 01-17-2020, 07:40 AM Thread Starter
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Thanks Heavy for the tips. I will do that soon.
Do you know if this particular part was leaking oil, would that cause a no start when hot issue?
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post #7 of 12 Old 01-17-2020, 07:54 AM
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in this picture, I would suspect those crimped section of hose are leaking... but that could just be where the oil is landing from above.

That said, we have several threads, that are well documented, about the no start issue, testing, and repair.

IF you have passion about learning to fix issues on this truck you should spend a lot of time here:
https://www.powerstroke.org/forum/ge...n-stickys.html

More specifically here:
https://www.powerstroke.org/forum/6-...look-here.html
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Quote:
Originally Posted by djmaguire View Post
So says the internet... ...and so it shall be.
Quote:
Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #8 of 12 Old 01-17-2020, 08:01 AM
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Quote:
Originally Posted by Heavy_GD View Post
One thing to remember is diesels, especially turbo diesels, leak oil.
Gives me an idea @Heavy_GD ! I could start a thread titled "Name that leak". People could post their pics, allow people to guess and then provide the answer (assuming poster knows where it came from). Genius!
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post #9 of 12 Old 01-17-2020, 08:59 AM
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Quote:
Originally Posted by jd4010 View Post
Gives me an idea @Heavy_GD ! I could start a thread titled "Name that leak". People could post their pics, allow people to guess and then provide the answer (assuming poster knows where it came from). Genius!
on the driveshaft - bed plate
on the frame - bed plate
on the trans - bed plate
on the rear - bed plate


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Quote:
Originally Posted by djmaguire View Post
So says the internet... ...and so it shall be.
Quote:
Originally Posted by G8orFord View Post
OK, thanks for the info. To show my ignorance, what is the problem with 3 nipples...
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post #10 of 12 Old 01-17-2020, 01:51 PM
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Quote:
Originally Posted by schwabde View Post
Thanks Heavy for the tips. I will do that soon.
Do you know if this particular part was leaking oil, would that cause a no start when hot issue?
Probably not related.

The no hot start is most likely HPO related.

The leak is LPO related.

If the leak isnt leaking a mark on your driveway, ignore it IMO. You will drive yourself crazy trying to find all the places that seep out oil. And when it start leaving a mark, well it will be easier to find!!!
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