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Old 02-03-2020, 06:20 AM   #1
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Part found in engine oil cooler

Currently pulling apart bad engine from my "986 roller". When I removed the oil cooler, I found this part stuck inside. Already have a replacement used engine.

I'm hoping someone will recognize this "remnant" and give me some hints on what I will need to clean in the oil path before putting a different engine in the car.

It's non-magnetic if that helps. Also, the engine won't turn over, which isn't surprising. It was sold due to a hole in the case from where a chain tried to get out.

Thank you for your help.

-Eric (1999 986 5-speed Project)



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Old 02-03-2020, 08:12 AM   #2
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From the tiny picture on my phone, that looks like the remnant of a water pump vane. Check bearing play on the water pump. If it feels loose, it probably made contact inside and there is the result.
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Old 02-03-2020, 08:28 AM   #3
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Quote:
Originally Posted by Eric-986 View Post
... give me some hints on what I will need to clean in the oil path before putting a different engine in the car.

It's non-magnetic if that helps. Also, the engine won't turn over, which isn't surprising. It was sold due to a hole in the case from where a chain tried to get out. ...
It looks familiar, but I can't quite place it. I'm guessing that it's rigid dark plastic? Probably part of a chain ramp. I'll take a look at a scrapped engine this evening and see if I can spot it. Not from the water pump.

As for the oil path, it should all be internal to the engine other then the filler tube and dipstick. I would recommend flushing the cooling system well anyway due to the possibility that some debris made it into some of the passages and circulated.
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Last edited by 78F350; 02-03-2020 at 08:36 AM.
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Old 02-03-2020, 09:16 AM   #4
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it ALMOST looks like the ring around the bottom of the oil-pickup?
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Old 02-03-2020, 10:08 AM   #5
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debris in oil cooler

I found similar black plastic in my oil cooler. Mine were in the coolant circuit and measured and found the thickness equal to the vanes on a pump impeller. Mine are of greater concern because they were in my replacement engine. Planning on flushing it while it's on the stand - waiting for a spring day!

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Old 02-03-2020, 10:27 AM   #6
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Hey Eric, lemme ask a different question: doesn't your replacement engine have an oil cooler on it? What are you concerned about cleaning-out?

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Old 02-03-2020, 05:41 PM   #7
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Maytag, I think I got ahead of myself. Sort of expected an oil cooler in the front bumper, but you guys straightened me out.

To be safe, I was going to put a new 3.2 oil cooler on the 2.5 when I install it.

If the piece was magnetic, to me it resembles a part of a valve spring washer, but it's aluminum or very hard plastic.

Thanks for pointing out it really doesn't matter, all oil stays in the engine!

-Eric
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Old 02-03-2020, 06:54 PM   #8
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Originally Posted by Eric-986 View Post
Maytag, I think I got ahead of myself. Sort of expected an oil cooler in the front bumper, but you guys straightened me out.



To be safe, I was going to put a new 3.2 oil cooler on the 2.5 when I install it.



If the piece was magnetic, to me it resembles a part of a valve spring washer, but it's aluminum or very hard plastic.



Thanks for pointing out it really doesn't matter, all oil stays in the engine!



-Eric
Perfect!

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