How do I fix a rusted-out front panel bracket on an Amana dryer?

What crumbled on you is almost certainly a **speed nut** (often sold as a U-nut or Tinnerman clip), rather than a major structural bracket. On those older Amana and Whirlpool-style cabinets, the bottom corners ussually rely on stamped spring-steel clips that slide over the edge of the panel so the coarse-thread cabinet screws have somethig solid to bite into. Once lint and moisture sit down in that lower lip for a decade, the clips rot out completly and leave the whole front assembly flopping loose.

Skip the self-tapping screw idea for right now. The factory trough-hole punched in the dryer casing is usually huge, so a self-tapper will either strip imediately or pull right through the first time the drum spins with a heavy wet load of towels. You don't need to track down an official OEM appliance part number and wait days for shipping, either. Pull the screw from the other side if it's intact, or just take whatever mounting bolt you have left down to an Ace or True Value. Head straight for the specialty fastener drawers in the hardware aisle and look for extruded U-nuts designed for sheet metal screws. Slip a new clip over the flange, line up the hole, and your factory screw will cinch down tight.

If the actual sheet metal lip on the cabinet itself rusted away along with the clip, that's when you fabricate. A small galvanized L-bracket from the hardware store works fine. Just bolt it through the cabinet wall using a short machine screw, a couple of wide fender washers to sandwich the weak metal, and a nylon locknut. Just make sure whatever hardware you add sits low and clear of the front drum rollers and felt seal so nothing rubs once the machine heats up.

Back in the 80s we’d just grab the hand pop-riveter and a scrap strip of galvanized flashing to rebuild that lower flange. Rivets hold alot better than screws when the base metal is rusted paper-thin.

While you have that front pulled off, hit whatever good steel is left down there with a wire brush and some rust-inhibiting primer so the cancer doesn't spread. And check your exhaust ducting while you're at it—if that lower corner had enugh moisture sitting to rot steel, chances are your vent line is half-choked with wet lint.

Before you secure whatever fastener solution you settle on, be extremely mindful of the vertical datum of that front panel, because on those older Amana assemblies, dropping or raising the bulkhead even two or three millimeters will alter the concentricity of the drum support glides relative to the cylinder perimeter. If you bind the lower flange out of square, the Teflon glides up top will experience uneven shear loading and squeal incessantly within forty-eight hours of operation, so definitely dry-fit the panel, spin the drum manually several full revolutions to verify drag is uniform across the entire rotational sweep, and only then torque down the fasteners.

Quick update — grabbed some U-nuts and that defintely cleared up what originally rusted away down there, so thanks for that. But now I'm sweating the vertical alignment with the drum glides. Since my bottom lip is half gone, is there a reliable reference point or gap measurement to eyeball before I rivet everything in place?