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Old 09-28-2014, 08:40 PM   #1
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Default Need help found metal parts in the oil pan

Found these parts at the bottom of the oil pan on my 06 f150 5.4l. I'm doing a complete timing job. I have no idea what they are or where they came from can anyone help me figure it out.
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Old 09-28-2014, 09:18 PM   #2
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I am not a mechanic, haven't worked on motors in 15 years now, but I can only guess.....
motor seal or a spacer for the crankshaft???? hopefully someone can chime in.
Good Luck!
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Old 09-28-2014, 09:24 PM   #3
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I believe it is the thrust washer from rear main bearing. A local parts store should be able to identify for certain.
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Old 09-28-2014, 09:35 PM   #4
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Originally Posted by joe mcmillan View Post
I believe it is the thrust washer from rear main bearing. A local parts store should be able to identify for certain.
Looks like that's it

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Old 09-28-2014, 09:39 PM   #5
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Definitely the thrust bearing, or what's left of it. Engine rebuild time.

Not cheap labor wise but parts are.


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Old 09-28-2014, 10:10 PM   #6
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So I assume you have the pan off.

Is the engine in the truck or out?

In a Porsche 928 auto, TBF (Thrust Bearing Failure) is not uncommon and usually ruins the block.

Have a look at the crank and the block, maybe you'll get lucky and just need bearings.
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Old 09-28-2014, 10:17 PM   #7
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Quote:
Originally Posted by joe mcmillan View Post
I believe it is the thrust washer from rear main bearing. A local parts store should be able to identify for certain.
Ok cool thanks for the info. Now just trying to figure out how and why they fell out.
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Old 09-28-2014, 10:34 PM   #8
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Quote:
Originally Posted by depami View Post
So I assume you have the pan off.

Is the engine in the truck or out?

In a Porsche 928 auto, TBF (Thrust Bearing Failure) is not uncommon and usually ruins the block.

Have a look at the crank and the block, maybe you'll get lucky and just need bearings.
No the motor is still in i was hoping I didn't have to take it out to do a complete timing overhaul. So what kind of damage to the block are we talking about if the thrust washers were worn Hell out and in the oil pan
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Old 09-28-2014, 10:59 PM   #9
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Quote:
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No the motor is still in i was hoping I didn't have to take it out to do a complete timing overhaul. So what kind of damage to the block are we talking about if the thrust washers were worn Hell out and in the oil pan
There may not be any block damage but if the bearing spun, new ones may not fit properly and the crank may have damage. And, if the crankshaft hit the block, the crank and the block could be shot or in need of serious machining.

There is normally only one main with thrust bearing so locate that position and carefully pry the crank front and rear to inspect both the crank and the block.

I have no experience with thrust bearings on the 5.4 so don't know the likelyhood of damage. Maybe someone else can chime in with more detail.

Post some pictures if you can.
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Old 09-29-2014, 01:23 PM   #10
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Quote:
Originally Posted by depami View Post
There may not be any block damage but if the bearing spun, new ones may not fit properly and the crank may have damage. And, if the crankshaft hit the block, the crank and the block could be shot or in need of serious machining.

There is normally only one main with thrust bearing so locate that position and carefully pry the crank front and rear to inspect both the crank and the block.

I have no experience with thrust bearings on the 5.4 so don't know the likelyhood of damage. Maybe someone else can chime in with more detail.

Post some pictures if you can.
Ok thanks for the info I will take good look. I noticed on one of the thrust washers I put a digital caliper to it is like 1.2 millimeters thick it wore the heck out. I guess I'm taking the motor out to take a better look. Wow!
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Old 09-29-2014, 01:23 PM
 
 
 
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