Symptoms
- Rust-colored spots on rack tines
- Coating peeling or chipped off the wire racks
- Rust marks appearing on dishes or silverware
- Rack tines feel rough or exposed
Likely causes
- CommonWorn protective vinyl or nylon coatingThe coating on rack wires wears thin over years of loading and unloading dishes.
- CommonScratched coating from sharp utensils or pansSharp knives or heavy pans can nick the coating, exposing metal to water.
- PossibleHard water accelerating corrosionMineral-heavy water can speed up rust formation once coating is compromised.
- Less commonManufacturing defect in coatingOccasionally coating quality varies and wears unevenly from new.
What to do
- Identify the specific rusted tines and check how widespread the coating damage is.
- Dry the rack fully and apply a rack repair kit (vinyl tip or paint-on coating) to small chipped spots.
- For larger areas, consider a full rack re-coating kit sold for dishwasher racks.
- Avoid placing very sharp knives tip-down or dragging heavy pans across the tines to prevent further damage.
- If rust has spread extensively or dishes keep picking up rust marks, replace the affected rack rather than repairing it.
- Check with the manufacturer for a replacement rack part number matching your model.
Tools and parts
- Rack repair kit or vinyl repair paint
Dishwasher rack coating repair kitSearch: “dishwasher rack tine repair kit”
Replacement dishwasher rackSearch: “dishwasher rack replacement”
When to call a pro
This is a cosmetic, non-safety issue; no professional is typically needed unless you prefer to order and confirm the exact replacement rack part.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.