39 rear

[flathead48]

Trying to help a friend has a real nice 39Ford 2 door, stock 3.78 rear with a Mitchel o d . When he makes a sharp left turn there is a high pitch almost like a scraping noise. We pulled the hubs, rollers were find hubs in great shape repacked them with proper grease but did not help. Presently leaning towards spider gears ! But that is a lot of work to do on a hunch of an amateur. Any suggestions, thoughts ,ideas would be greatly appreciated.
Thanks Rick

[alchemy]

Checked to make sure brake drums aren’t scraping on backing plates?

[Bruce_MO]

Just for additional insights, maybe drain the rear end into a clean catch pan and see what you find. Bright metal, etc. if all looks good, it might give you some comfort. If it’s really black, stick a magnet in it. Stick your little finger in the banjo hole and see if you get anything. I drained the rear axle of my ‘32 many years ago before I restored it and a half of a ring gear tooth fell out. Had no idea that there was a problem… was smooth and made no noises (that I paid attention to).

[flathead48]

Thanks to both, did drain oil but problem solved, broken fender brace at little faster speed body would lean & scrape tire.
T

[ssffnomad]

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Well this is more than a little embarrassing. 😳
Stuffed a guy in back seat .
Noise on LR .
RR fender has 1” clearance to tire .

LR Fender Brace is cracked.
Only 1/2” clearance.

Radial flexed and barely rubbed fender .
Not enough to make a mark on new Radial Tire . 🛞
Got Lucky 🍀