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Leaky oil sending unit

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Old 04-06-2012, 06:40 PM   #1
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Default Leaky oil sending unit

I have a 1995 5.0 F150. It has an oil leak that I thought was the oil pan gasket. A friend and I were talking about it and I showed him where I thought it was leaking. He noticed it was leaking above the line where the oil pan connects to the block. I started looking harder and noticed that the oil sending unit was what seemed to be leaking. It is between the power steering pump and the oil filter. Anyone have any experience with this? I have never changed one before but it looks simple just kind of a cramped space to work in.
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Old 04-06-2012, 07:41 PM   #2
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Very easy to change. Remove the oil filter and get up in there and remove it. Some models need a special socket, some don't. You may be able to get it off with a pair of vice grips.
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Old 04-06-2012, 09:21 PM   #3
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Agreed, it is a very easy change. Get a 27mm 6 point socket and it'll take about 5 minutes to swap out. Just did mine on my 94 and my 95. Same socket fit both. I just found a dual sending unit port for around $6 that I am going to install and put my mechanical gauge in so I can monitor the actual psi while maintaining the factory gauge and idiot light. Kind of looking forward to trying out this new setup. If it works out on my 95 I'll be installing it on my 94 as well. Easy stuff once you get the right tools and figure out where everything is.
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Old 08-08-2012, 11:02 AM   #4
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Quote:
Originally Posted by unit505 View Post
Agreed, it is a very easy change. Get a 27mm 6 point socket and it'll take about 5 minutes to swap out. Just did mine on my 94 and my 95. Same socket fit both. I just found a dual sending unit port for around $6 that I am going to install and put my mechanical gauge in so I can monitor the actual psi while maintaining the factory gauge and idiot light. Kind of looking forward to trying out this new setup. If it works out on my 95 I'll be installing it on my 94 as well. Easy stuff once you get the right tools and figure out where everything is.

I have a 95 and my oil pressure guage (stock) is faulty. Sometimes it works, and sometimes it is pinned all the way to the right...

I want to try to just replace the sending unit but I am interested in the dual guage.

Any pictures of the installed part? Where did you find it and how much?

Thank you for letting me be nosey.
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Old 08-08-2012, 03:08 PM   #5
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Oreilly auto parts put an oil sending unit tee together for me for less than $5. Here's the tee installed

Here's the gauge.
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Old 08-12-2012, 02:44 AM   #6
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Damn... Just replaced my oil sending unit ( what a bitch) and my oil pressure gauge is still not working...
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Old 08-17-2012, 10:48 PM   #7
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Can you eliminate that brass t and run just the sender?
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Old 08-18-2012, 12:15 AM   #8
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Quote:
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Can you eliminate that brass t and run just the sender?

On the 302's the sending unit is screwed into the block. From the picture above that looks like a inline 6 motor. And the "T" is there so he could run aftermarket and have stock gauge work.
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Old 08-18-2012, 01:17 AM   #9
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Quote:
Originally Posted by unit505
Oreilly auto parts put an oil sending unit tee together for me for less than $5. Here's the tee installed

Here's the gauge.
Is that the 300? If so I might do this. I'll need a how to though.
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Old 08-18-2012, 01:57 AM   #10
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Quote:
Originally Posted by unit505 View Post
Oreilly auto parts put an oil sending unit tee together for me for less than $5. Here's the tee installed

Here's the gauge.
My 1995 5.8L does not look like that. My sending unit has a screw top like a #12 screw (or close).

So how would I TEE off or just install a mechanical one?
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