Maytag Dishwasher: not draining

Professional Repair Guide

What is this symptom?

If your Maytag dishwasher is not draining, you may notice standing water at the bottom after a cycle. This can lead to unpleasant odors and dirty water backing up into your sink. Common causes include a clogged filter, kinked drain hose, or a faulty drain pump. Addressing these issues promptly can help restore proper drainage and maintain your dishwasher's efficiency.

Urgency: Medium

Important Tips for Maytag Models

  • New installations may have leftover disposal knockout plug blocking drain; also check for correct high loop installation.

Possible Causes

Clogged filter or food debris obstruction

How to Identify: Standing water after cycle, visible debris around filter and sump area at bottom of dishwasher

Part: Dishwasher filter and drain area

Clogged or kinked drain hose

How to Identify: Water remains; hose bends or kinks visible when inspecting behind dishwasher; water doesn’t flow when flushed

Part: Drain hose

Blocked air gap

How to Identify: Standing water; blockage under air gap cap when removed

Part: Air gap (if installed)

Faulty or clogged drain pump

How to Identify: Humming noise during drain cycle without water leaving, no drain action, pump doesn’t run

Part: Drain pump and impeller

Control board not activating pump

How to Identify: Pump doesn’t get power despite no visible blockages; no drain sounds

Part: Control board

Garbage disposal or sink drain block affecting dishwasher drain

How to Identify: Both sink and dishwasher drainage poor; dishwasher only starts draining after disposal cleared

Part: Sink drain / garbage disposal connection

DIY Solutions

Clean filter and remove debris

Easy 10-20 minutes
Tools Needed: gloves, sponge or brush
  1. Turn off dishwasher and open bottom rack
  2. Locate and remove filter
  3. Rinse filter under warm water and brush off debris
  4. Replace filter and run a short cycle to test drainage
⚠️ Safety First: Ensure power is off before reaching into filter

Check and clear drain hose

Moderate 20-40 minutes
Tools Needed: screwdriver, bucket, flashlight, flexible brush
  1. Turn off power and pull dishwasher away slightly
  2. Locate drain hose behind dishwasher
  3. Disconnect hose and check for kinks or debris
  4. Flush hose with water or use brush to clear blockage
  5. Reconnect hose and test drainage
⚠️ Safety First: Have towels ready for water spills

Clear air gap (if present)

Easy 5-15 minutes
Tools Needed: screwdriver or pick tool
  1. Remove air gap cap next to sink
  2. Clear debris from air gap chamber
  3. Rinse with warm water and replace cap
  4. Run dishwasher to check drainage

Power reset dishwasher

Easy 5-10 minutes
  1. Turn off dishwasher and unplug or switch off circuit breaker
  2. Wait 5–10 minutes
  3. Restore power and run a cycle to test drain

Next step

Choose the next step for not draining

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

Dishwasher Filter

Screens food debris from recirculating wash water and protects the pump system.

Typical part-only price
$15 - $65
DIY difficulty
Easy
Estimated time
5-15 mins
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

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

$35 - $80 · Easy · 15-30 mins

Check fit & price
Possible related component

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

$120 - $280 · Medium · 20-40 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 drain pump assembly

Estimated Cost: $50 - $150 for part

Replace control board

Estimated Cost: $100 - $300

When to Call a Professional

Pump makes unusual noises (grinding/humming without draining)
No power to pump after DIY checks
Leaks after clearing blockages

Preventive Maintenance

  • Clean filter: Clogs and drainage issues
    Frequency: monthly
  • Run garbage disposal before dishwasher cycle: Downstream blockages affecting dishwasher drain
    Frequency: with dishwasher use

Frequently Asked Questions

Why is my Maytag Dishwasher not draining?
Common causes include clogged filters, kinked drain hoses, or a faulty drain pump.
How do I fix Maytag Dishwasher not draining myself?
You can clean the filter, check the drain hose for kinks, clear the air gap, or reset the power.
How much does it cost to fix not draining?
Replacing the drain pump costs $50 - $150, while a control board replacement ranges from $100 to $300.
When should I call a technician for not draining?
If DIY solutions fail or if the issue involves complex repairs, it's best to consult a technician.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Drain pump failure (5 mentions)
  • Clogged filter or drain hose (3 mentions)

User Suggested Solutions

  1. Check valve may be damaged; consider replacing the drain pump.

    Success rate: 10.0%

  2. Try using heavy wash cycles to melt any buildup.

    Success rate: 10.0%
Limited-source guidance; percentages and success-rate claims are not shown
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Maytag dishwasher not working after cleaning
  2. Maytag Dishwasher Intermittent Draining
  3. Maytag MDB4949SHZ Dishwasher not draining.
  4. Maytag dishwasher not draining
  5. Maytag Dishwasher Control Board Replacement / Troubleshootin...
  6. Burned wire exiting control board
  7. Maytag dishwasher keeps leaving dirty standing water
  8. My dishwasher won't drain after the cycle completes, but the...

Community Discussions

doesn’t want to drain once it completes a cycle

Check valve may be damaged; consider replacing the drain pump.

DIY View on Reddit →

not draining

Try using heavy wash cycles to melt any buildup.

DIY View on Reddit →

Source: Reddit r/appliancerepair

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