Samsung Dishwasher: leaking

Possible Causes

Door gasket/pakking degradation or misalignment

How to Identify: Water around door edge or bottom of door; visible cracks, tears, or deformation of the door seal.

Part: Door gasket (seal)

Loose or damaged water supply or drain hoses and connections

How to Identify: Water pooling under unit or at back corners; hose connection points visibly wet; loose nuts.

Part: Supply hose, drain hose, hose fittings

Spray arm damage or misalignment causing overspray

How to Identify: Cracked spray arm, loose arm support causing water to spray toward door edges.

Part: Wash arms (upper/lower)

Improper leveling or installation

How to Identify: Dishwasher tilted or uneven; water pooling on one side.

Part: Mounting/leveling legs

Internal component failure (pump seal, tub crack)

How to Identify: Leaks from bottom not attributable to hoses or gaskets; continuous leak even when idle.

Part: Pump seal, tub assembly

DIY Solutions

Inspect and clean/replace door gasket

Moderate 20-40 minutes

Tools Needed: Screwdriver, clean cloth, replacement gasket if needed

1. Open dishwasher and inspect door gasket all around for cracks or debris.
2. Clean gasket with damp cloth to remove buildup.
3. If damaged, remove old gasket per manual and install new one ensuring snug fit.
4. Test by running short cycle to check leak status.

⚠️ Safety First: Ensure dishwasher is off before working on gasket.

Tighten or replace loose hose connections

Moderate 30-60 minutes

Tools Needed: Wrench, bucket, towels

1. Turn off water supply to dishwasher.
2. Pull unit out slightly to access back.
3. Check supply and drain hose connections at both unit and wall.
4. Tighten loose nuts or replace hose if cracked.
5. Push unit back and restore water supply, then test run.

⚠️ Safety First: Shut off water supply before work.

Check and secure spray arms

Easy 10-20 minutes

Tools Needed: None or screwdriver

1. Remove dish racks to access spray arms.
2. Inspect arms for cracks or damage.
3. Ensure arms rotate freely and mounting screws/tabs are secure.
4. Replace damaged spray arm assembly if needed.

⚠️ Safety First: Avoid inserting hands during operation.

Level the dishwasher

Easy 15-30 minutes

Tools Needed: Level tool, wrench

1. Place a level on top of dishwasher door.
2. Adjust leveling legs until unit is horizontal.
3. Recheck seal contact and test run.

⚠️ Safety First: Ensure unit is stably supported.

Next step

Choose the next step for leaking

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Door Gasket

Creates a watertight seal around the door to prevent leaks during operation.

Typical part-only price

$45 - $110

DIY difficulty

Medium

Estimated time

30-60 mins

Optional: enter your model number

Apply

Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

$15 - $30 · Easy · 15-30 mins

Check fit & price

Possible related component

Spray Arm

Rotates and sprays high-pressure water to clean dishes inside the tub.

$20 - $55 · Easy · 5-10 mins

Check fit & price

Possible related component

Appliance Leveling Leg

Supports and levels the appliance to reduce rocking, vibration, and door-alignment problems.

$8 - $40 · Easy · 10-30 mins

Check fit & price

Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply

Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace pump seal or internal leak-prone components

Estimated Cost: $120 - $250

Tub or major internal component repair

Estimated Cost: $250 - $500+

When to Call a Professional

Leak persists after checking gaskets, hoses, and spray arm alignment

Leak from bottom not tied to external fittings

Visible cracks in tub or error codes LE/LC indicating leakage detection

Preventive Maintenance

• Regularly inspect and clean door gasket: Door seal leaks
  Frequency: monthly
• Check hoses and connections: Hose connection leaks
  Frequency: quarterly
• Ensure dishwasher remains level: Improper leveling related leaks
  Frequency: when moved or every 6 months

Frequently Asked Questions

Why is my Samsung Dishwasher leaking?

Common causes include degraded door gaskets, loose hoses, and spray arm misalignment.

How do I fix Samsung Dishwasher leaking myself?

Inspect the door gasket, tighten hose connections, and ensure spray arms are secure.

How much does it cost to fix leaking?

Professional repairs for leaks range from $120 to $500+, depending on the issue.

When should I call a technician for leaking?

If DIY fixes don't resolve the leak or if internal components are involved, it's best to call a technician.

References & Sources

• Samsung Dishwasher Leak Troubleshooting Official
• Samsung Dishwasher Leaking Causes + Fixes Repair-Blog

Common Issues Reported by Users

• Door gasket failure (3 mentions)
• Inlet valve leakage (1 mentions)
• Drain line backflow (1 mentions)

User Suggested Solutions

1. Replaced the inlet valve

2. Fixed the high loop on the drain line

Community Discussions

inlet valve leaking

User followed a video tutorial to replace the inlet valve.

DIY View on Reddit →

leaking when not in use

Fixed the high loop on the drain line to prevent backflow from the sink.

DIY View on Reddit →

Source: Reddit r/appliancerepair