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Why Your LG Washer Leaves Black Marks on Clothes, and How to Fix It
Fresh laundry coming out with black marks is frustrating. If your LG washing machine is leaving dark streaks, oily smudges, or greasy spots on clothes, this guide explains the common causes and gives step-by-step fixes plus prevention tips to keep your garments spotless.
Why Does My LG Washer Leave Black Marks on Clothes?
Black marks usually come from a mix of residue, mold, grease, or mechanical wear inside the washer. LG washers are reliable, but they still need regular care. Common causes include:
- Detergent & fabric softener residue: Excess detergent or softener can leave a film that accumulates and rubs off as dark streaks.
- Mold and mildew around the door gasket: Front-load washers trap moisture in the rubber seal, producing black mold that transfers to clothes.
- Dirty or clogged drum: Built-up lint, dirt, and grease inside the drum or paddles can abrade fabrics.
- Oil or grease leaks from internal parts: Worn bearings, seals, or motor components can leak grease that stains garments.
- Overloading: Crowding the drum increases friction and prevents proper rinsing, causing residue to stick to clothing.
Tip: Inspect the gasket, drum, and detergent drawer first; they are the most common and easiest-to-fix sources.
How to Fix Black Marks from Your LG Washer (Step-by-step)
Follow these troubleshooting steps in order from easiest to most involved:
1. Run a Tub Clean Cycle
Use the Tub Clean or Drum Clean cycle to remove soap scum, mold, and residue.
- Empty the washer completely.
- Add a commercial washer cleaner (e.g., Affresh) or a mix of 1 cup white vinegar + ½ cup baking soda directly into the drum.
- Run the hottest tub-clean or sanitize cycle.
- After the cycle, wipe the drum and door seal with a clean cloth.
Related: How to Descale a Washing Machine.
2. Clean the Door Gasket & Detergent Drawer
Mold in the rubber seal and a dirty detergent drawer are major culprits.
- Pull back the gasket and inspect for black spots.
- Use a soft brush and a 1:1 mix of warm water and white vinegar to scrub mold away.
- Remove the detergent drawer (if removable), soak it in hot water, scrub, and dry before reinserting.
3. Check for Grease or Oil Leaks
If marks look oily and smeary, internal grease may be leaking.
- Do an empty high-spin test and inspect the drum and rear panel for grease.
- Smudges that resist cleaning often mean worn bearings or motor seals.
- Contact an authorized technician for parts inspection and repair — do not ignore persistent oily stains.
4. Use the Right Detergent & Correct Dosage
Always use HE detergent for front-load and HE machines. Too much detergent leaves residue that becomes black marks over time.
5. Avoid Overloading
Keep loads at a sensible size so items can tumble and rinse thoroughly. A good rule: leave about a hand's width of space at the top of the drum.
Preventing Black Marks on Clothes
- Run a monthly tub clean to prevent residue build-up.
- Keep the door slightly open after use so the gasket and drum dry out.
- Wipe the gasket and drum occasionally to remove early mold or residue.
- Measure detergent carefully and switch to HE formulas if required.
- Schedule yearly maintenance (especially for older machines) to check seals and bearings.
These small habits stop mold, residue, and grease from becoming persistent problems.
When to Call a Technician
Call a professional if you find:
- Persistent oily or greasy stains that don’t wash out.
- Visible oil or grease inside the drum or on the rear panel.
- Loud noises, excessive vibration, or fluid leaks — signs of worn bearings or seals.
For mechanical issues, contact LG support or a certified appliance technician. Attempting complex repairs without experience can cause further damage.
FAQs: LG Washer Leaves Black Marks
Can black marks be removed from clothes?
Yes, many black marks from mold or detergent residue can be removed by re-washing with a stain remover and using an extra rinse. Oily grease stains may be harder to remove and sometimes require professional cleaning or discarding the item if deeply stained.
How often should I run a tub clean cycle?
Run a tub clean cycle monthly if you use the washer frequently, or every 1–2 months for light users. This helps prevent buildup that causes black marks.
Is it safe to use vinegar and baking soda to clean my washer?
Yes. Using white vinegar and baking soda for a tub clean cycle is a safe, effective method to remove residue and mild mold. For heavy buildup, consider a commercial washer cleaner like Affresh.
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