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Maytag
Dishwasher

Model # GDU450B Official Maytag dishwasher

Here are the diagrams and repair parts for Official Maytag GDU450B dishwasher, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 121 parts  |
Dishwasher Washer 910069
#11

Tub diagram

Dishwasher washer

Part #910069

This item is not returnable
$32.33 | 
16% OFF Phone Price : $38.33
In Stock
Jade Trim Screw 912619
#3B

Door diagram

Jade trim screw

Part #912619

$16.79 | 
11% OFF Phone Price : $18.79
In Stock
Cabinet Screw 912799
#31

Tub diagram

Cabinet screw

Part #912799

This item is not returnable
$3.40
In Stock
Hook Drain H 912790
#17A

Pump & motor diagram

Hook drain h

Part #912790

The manufacturer no longer makes this part, and there's no substitute part

Control Panel 99001556
#1A

Control panel diagram

Control panel

Part #99001556

The manufacturer no longer makes this part, and there's no substitute part

Motor Screw 912892
Motor screw

Part #912892

The manufacturer no longer makes this part, and there's no substitute part

Strap, Suppo 912654
#16

Tub diagram

Strap, suppo

Part #912654

The manufacturer no longer makes this part, and there's no substitute part

Plate, Chopp 912913
#29

Pump & motor diagram

Plate, chopp

Part #912913

The manufacturer no longer makes this part, and there's no substitute part

Blind Rivet 912024
#4B

Door diagram

Blind rivet

Part #912024

The manufacturer no longer makes this part, and there's no substitute part

Motor (w/o-r 99001070
#1

Pump & motor diagram

Motor (w/o-r

Part #99001070

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your dishwashers

Choose a symptom to see related dishwasher repairs.

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Why won't my dishwasher fill?

Main causes: water supply problem, stuck overfill float, clogged water inlet valve screen, water inlet valve failure…

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Why won't my dishwasher drain?

Main causes: clogged kitchen sink drain, clogged drain hose, drain check valve damaged, drain pump failure, control syst…

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Why does my dishwasher door drop open too fast?

Main causes: broken door spring, damaged or broken door hinge…

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Why can't I adjust the dishwasher rack height?

Main cause: damaged rack height adjuster…

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Why isn't my dishwasher getting dishes clean?

Main causes: improper loading, low water temperature, improper detergent dosage, detergent dispenser failure, spray arm …

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Why won't my dishwasher start?

Main causes: light switch beside the sink turned off, lack of power, bad dishwasher door switch, control system failure,…

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Why don't my dishes get dry?

Main causes: not using rinse aid, rinse aid dispenser failure, broken heating element, malfunctioning vent, drying fan f…

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Why does my dishwasher stop mid-cycle?

Main causes: broken door latch, tripped circuit breaker, broken heating element, faulty vent fan, sensor failure, contro…

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Why is my dishwasher noisy?

Main causes: glass or popcorn kernel stuck in the chopper blade, drain line vibrating against the cabinet, debris in was…

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Most common repair guides to help fix your dishwashers

These step-by-step repair guides will help you safely fix what’s broken on your dishwasher.

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How to replace a dishwasher heating element

How to replace a dishwasher heating element

Dishes not drying as fast as they should? The dishwasher heating element could be on the fritz. Here's how to install a …

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a dishwasher high-limit thermostat

How to replace a dishwasher high-limit thermostat

Follow these steps to replace the high-limit thermostat in your dishwasher if prevents the heating element from heating.…

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Repair difficulty
Time required
 30 minutes or less
How to replace a dishwasher diverter motor

How to replace a dishwasher diverter motor

Upper spray arms not getting water? The diverter motor could be broken. Use this guide to replace it.…

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Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your dishwashers

Use the advice and tips in these articles and videos to get the most out of your dishwasher.

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How to clean and maintain your dishwasher

How to clean and maintain your dishwasher

Get tips for cleaning and maintaining your dishwasher…

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home.…

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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