Found in transmission pan
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Tuned
Joined: Mar 2011
Posts: 410
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From: Proctorsville VT
Found in transmission pan
[img alt="Changed out the oem 10r80 transmission pan yesterday. 2017 F150 3.5l with 68,000 miles. This was stuck to the pan magnet.
Anybody know what it is?"]https://cimg8.ibsrv.net/gimg/www.ford-trucks.com-vbulletin/2000x901/20260515_131227_03498789182af58f79fa6d80f451fd7e30 3249f7.jpg[/img]
2017 F150 3.5l 10R80 68,000 miles. Changed out the factory pan and found this stuck to the magnet.
Anybody know what it is?
Last edited by BAD RONALD; May 15, 2026 at 12:25 PM.
2nd Gear
Joined: May 2026
Posts: 2
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On the 10R80 that piece on the magnet is usually one of three things: a broken snap ring fragment, a clutch return spring piece, or a bit of hardened steel from a bearing or gear thrust surface. The shape in your photo looks more like a stamped spring/retainer piece than normal fine “fuzz,” which is what makes it a bit more concerning than just break-in debris.
At 68k miles it’s not automatically catastrophic, but I wouldn’t ignore it. If it was just gray paste or fine sludge that would be normal wear. A solid chunk like that suggests something has started to mechanically fatigue inside the rotating assembly.
At 68k miles it’s not automatically catastrophic, but I wouldn’t ignore it. If it was just gray paste or fine sludge that would be normal wear. A solid chunk like that suggests something has started to mechanically fatigue inside the rotating assembly.
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