Chipped brake drum question

B

Belzer65D1100

New member
Hi everybody...
Working on my 1965 D1100 (not to be confused with Adam W) replacing rear brakes. Taking the drum off the passenger side and pieces of metal broke off what I call the "lip" of drum ( where bottom of drum covers backing plate. It's approximately 2" long. Drum is good aside from that. Wondering if I should replace drum or take chance of dirt & road dust getting to the shoes & hardware. Thanks
 
If the piece that broke off is only from the outer lip/skirt of the drum and not from the braking surface itself, I’d inspect it carefully before deciding. Many drums develop rust around that outer edge, and it’s not uncommon for a chunk to break away during removal.
That said, brakes aren’t an area where I’d take chances. If the missing section is large (2” is fairly significant), or if there’s any cracking extending into the drum body or braking surface, I’d replace the drum. If the braking surface measures within spec and the damage is limited to the outer dust shield area, it may still be serviceable, but I’d want to see a photo before feeling confident about it.Can you post a picture of the damaged area? That would make it much easier to tell whether it’s cosmetic rust damage or something that warrants replacement.
 
This is area where it broke off.
1754.jpg
 
No, it isn't that big of a deal if you're just driving it to town every other month.

I wouldn't run it if your life depended on it. Also, it looks heavily grooved.
 
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