How to Clean a Whirlpool Dishwasher

Maintaining a Whirlpool dishwasher helps ensure efficient cleaning and extends the appliance life. This guide provides a clear, step-by-step approach to remove odors, loosen mineral buildup, and keep spray arms and filters in top condition. The methods below use common household products and a dedicated cleaning kit for best results.

Safety and preparation steps are included to help users avoid damage and downtime. Following the steps can reduce stuck-on food, improve water circulation, and keep dishes sparkling.

Quick Answer

Fast method: Run a cleaning cycle with a Whirlpool dishwasher cleaning kit to dissolve mineral deposits, then scrub the door seal and interior with a dishwasher interior cleaning brush. Finish by inspecting and cleaning the spray arms with a dishwasher spray arm cleaner tool.

What You’ll Need

Whirlpool dishwasher cleaning kit
Dishwasher interior cleaning brush
Dishwasher spray arm cleaner tool

	Affresh Cooktop Cleaning Kit, Safe for Glass & Ceramic Cooktops, Includes 5 oz cleaner, 5 pads, 1 scraper
	SPARTA Scrub Brush Bottle Brush, Dishwasher Safe Brush with Hanging Hole for Cleaning, Plastic, 16 Inches, Pink
	Dishwasher Cleaner Brush Kit – 6PCS Deep Cleaning Tools with Pick, Scraper, Straw Brush, Gap & Angle Brush, Flexible Tubes Brush for Spotless Dishwasher

Before You Start

Ensure the dishwasher is empty. Remove racks to access all interior surfaces. If you notice standing water, use towels to absorb excess liquid. Unplug the unit or switch off the circuit breaker before any disassembly. Set aside 60–90 minutes for the full cleaning, including drying time. If your water is very hard, consider a second cleaning cycle after initial maintenance.

Step-By-Step: How To Clean A Whirlpool Dishwasher

Remove the bottom rack and inspect the filter. Rinse loose debris with warm water.
Pour the appropriate amount of Whirlpool dishwasher cleaning kit into the detergent dispenser or bottom of the tub, following the product’s instructions.
Run a full hot-water cycle without dishes to dissolve mineral buildup and sanitize interior surfaces.
While the cycle runs, use the dishwasher interior cleaning brush to scrub the door frame, gasket, and corners to remove any stuck-on residue.
Inspect the spray arms. Remove any visible obstructions or mineral deposits on the holes using the dishwasher spray arm cleaner tool.
Rinse the interior with a second hot-water cycle to flush out loosened sediment and cleaner residue.
Wipe the door seal and the tub edges with a damp microfiber cloth; dry with a clean towel to prevent mold growth.
Reinstall racks and run a short, empty cycle with a cup of white vinegar or a rinse aid to finish drying and deodorizing (optional).
Check water inlet hose and standpipe for kinks or leaks after cleaning. If you notice any issues, discontinue use and inspect connections.
Run a quick test load with a few clean glasses to confirm there are no remaining odors or residue.

Troubleshooting

Symptom	Likely Cause	Fix	Prevention
Dishes come out hazy	Mineral buildup on spray arms or filter	Clean arms and filter; run a cleaning cycle	Use rinse aid and mineral-friendly detergent
Bad odor inside	Dirty door seal or sump	Clean seal with brush; sanitize sump area	Regular cleaning every 1–2 months
Water not draining	Clogged filter or drain hose	Remove and rinse filter; inspect drain hose	Avoid putting fibrous foods down the disposal
Spray arms not rotating	Blockage from food debris	Clear holes with tool; reattach securely	Rinse dishes before loading

Common Mistakes

Using abrasive brushes on the tub finish, which can scratch surfaces.
Overfilling the detergent dispenser during cleaning cycles.
Neglecting to clean the door gasket and crevices where mold can form.

Tips For Best Results

Schedule a monthly maintenance cycle if your water is hard or you have frequent residue buildup.
Use a rinse aid in every load to improve drying and reduce spots on glassware.
Keep the dishwasher interior dry after cycles to prevent mildew; leave the door slightly ajar for a few minutes to vent.

Call A Professional

Seek professional help if you notice persistent leaks, unusual noises during operation, or if the dishwasher fails to drain after several cleaning attempts. Do not attempt to disassemble electrical components beyond basic cleaning steps.

FAQ

How often should I clean my Whirlpool dishwasher?

Most households benefit from a cleaning cycle every 1–2 months, or more often with hard water.

Can I use vinegar or baking soda for cleaning?

White vinegar can help with deodorizing, but follow the product directions for safety. Baking soda is useful for mild deodorizing but should not be used during running cycles with cleaners.

What if the spray arms don’t spin after cleaning?

Check for blockages in the spray arm holes and ensure they are securely attached to the mounting posts.

Is it safe to use a dishwasher cleaning kit?

Yes, when used as directed by the kit’s manufacturer and with the unit unplugged during maintenance.

Buying Guide

When choosing accessories and cleaning products for a Whirlpool dishwasher, consider:

Size and compatibility: Ensure tools fit your model’s spray arms and filters.
Noise level and energy efficiency: While cleaning products don’t affect energy usage, a well-maintained dishwasher operates more quietly and efficiently.
Controls and ease of use: Simple cleaning cycles with clear instructions speed maintenance.
Placement: A stable, accessible area for maintenance helps reduce risk during cleaning.