I'm pretty sure my oil pump went out - Mustang Evolution

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Old 02-06-2012, 09:16 AM   #1
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I'm pretty sure my oil pump went out

Was driving to eat lunch with my fionce when I checked the gauges (something I do every so often) and noticed I had NO oil pressure what-so-ever. I immediatly pulled over and killed it, popped the hood and looking to see if I was dripping oil. Was not, I checked the dipstick, still had plenty of oil and I wasnt hearing any ticking or knocking sounds.
Called a few friends who had fox-bodys before I did and asked a few questions about it. They told me sending unit first but I couldnt make it to an autozone to buy a pressure tester.
I decided its safe to drive the last 1/4 mile to my fionces work. We go eat, I worry about it, etc.

Go back to the car, get in, turn fuel and ignition on and crank it over...

Thats when I heard the first ticking, and I killed it after hearing it for about 2 seconds.

The car hasnt been started since and has been towed to the shop. The car is raised, hood off, and my shop manual is open on the page needed.

I havent drained the oil yet to check for metal flakes.

What im getting at is,

Is there any tricks to get to the oil pump?
Is there any way to check to make sure its the oil pump and not something else?
Do I absolutley need to have an engine hoist?

I need answers quick and I'll be checking here every 30 minutes if you have a question.

Thanks!
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Old 02-06-2012, 09:54 AM   #2
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Re: I'm pretty sure my oil pump went out

Pull your distributor first and make sure the oil pump drive shaft didn't break.

If you have the tool to reach it and the shaft is still in there, you can spin it with a drill and use a gauge to see if you have pressure.


If it is the oil pump you will need a hoist.
At the minimum you will have to lift the engine far enough to remove the pan.
Be sure to block it if you do that, so it doesn't fall on you.
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Old 02-06-2012, 11:45 AM   #3
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Re: I'm pretty sure my oil pump went out

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Pull your distributor first and make sure the oil pump drive shaft didn't break.

If you have the tool to reach it and the shaft is still in there, you can spin it with a drill and use a gauge to see if you have pressure.


If it is the oil pump you will need a hoist.
At the minimum you will have to lift the engine far enough to remove the pan.
Be sure to block it if you do that, so it doesn't fall on you.
What am I looking for? just pull the whole distributor?
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Old 02-06-2012, 12:39 PM   #4
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Re: I'm pretty sure my oil pump went out

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What am I looking for? just pull the whole distributor?
Pull the distributor.
There is a hex shaft that runs from the bottom of the distributor to the oil pump.
Make sure it is in place and is turning the oil pump and not broken or twisted out of shape.
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Old 02-07-2012, 12:32 AM   #5
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Re: I'm pretty sure my oil pump went out

Ok, so definitley pulled the distributor and heard a clank. So after 4 hours later, the shaft was literally twisted into a drill bit.
The oil pump was also locked up but as to the how I dont know. I didnt see any metal in the oil when I drained the pan.
Should be done by tomorrow
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Old 02-07-2012, 01:05 AM   #6
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Re: I'm pretty sure my oil pump went out

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Ok, so definitley pulled the distributor and heard a clank. So after 4 hours later, the shaft was literally twisted into a drill bit.
The oil pump was also locked up but as to the how I dont know. I didnt see any metal in the oil when I drained the pan.
Should be done by tomorrow
Since you will be pulling the pan, it's probably not necessary to tell you this, but take extra care to get all of the bits of metal out of the system and after you have checked and cleaned everything I would put magnetic plugs in each pan plug hole and a magnet on the oil filter as well.
There is likely to be a lot of bits in the oiling system even if you didn't see any draining the oil and you'll want to get them all out.
Also, it's extra work, but I would check the bearings while the pan is off.
You ran it long enough after there wasn't any oil pressure, that there is likely to be some bearing damage.
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Old 02-07-2012, 01:50 PM   #7
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Yea what makes an oil pump lock up like that? My original motor died that way
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Old 02-07-2012, 02:07 PM   #8
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Re: I'm pretty sure my oil pump went out

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Yea what makes an oil pump lock up like that? My original motor died that way
Sometimes just a bad pump that is not properly set up to begin with, sometimes bits of metal get sucked into it.


I always follow procedures similar to these in prepping an oil pump.


Stage 3 Oil Pump Blueprinting
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Old 02-08-2012, 09:53 PM   #9
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Re: I'm pretty sure my oil pump went out

So the shaft failed from the failed oil pump. The oil pump failed from a chipped piece of metal. What caused this, I have no idea. The shaft was twisted like a drill bit. I had never seen anything like it. The motor is assembled and running great again!
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Old 02-08-2012, 11:26 PM   #10
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Re: I'm pretty sure my oil pump went out

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So the shaft failed from the failed oil pump. The oil pump failed from a chipped piece of metal. What caused this, I have no idea. The shaft was twisted like a drill bit. I had never seen anything like it. The motor is assembled and running great again!
It could have been a piece of metal from inside the pump itself.
Like they said in the Blueprinting article, the sharp edges left on factory pumps internal parts can break off and lock up the pump.


Glad to hear you got it going again.
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