Dryer leaves black or brown marks on clothes after drying.

Safety first: Unplug the dryer before inspecting internal drum components.

• Inspect drum interior: Look for rough spots, rust, or residue on the drum surface and baffles. Clean with a mild detergent and soft cloth.
• Check felt seals: Examine the front and rear drum felt seals for wear, tearing, or shedding material. Replace seals that are worn or contaminated with grease.
• Inspect bearings: If there is grease visible around the rear of the drum or bearing, the bearing may be failing and contaminating clothes. Replace the drum bearing kit.
• Run test load: After cleaning and repairs, run a test with old towels to confirm no further staining occurs before using with good clothing.