Repair or Replace Your Dishwasher: The Real Math
$100-$300 avg repair vs $400-$1,000 new β’ $59 diagnostic β FREE with repair
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Dishwashers are the most repair-friendly major appliance in your kitchen. Most failures involve pumps, valves, or latches β all affordable fixes. The catch: dishwashers have shorter lifespans than fridges or ovens, so a major repair on an older unit can tip the balance toward replacement fast. Here is how to decide.
The average dishwasher lasts about 10 years. Bosch and Miele models regularly hit 12-15 years. Budget brands often start failing around 6-8 years. The wash motor and control board are the highest-cost failure points. Everything else β pumps, valves, racks, latches β is inexpensive to replace.
The 50% Rule
Dishwashers are relatively cheap to replace, so the 50% threshold is low in dollar terms. A $400 dishwasher means any repair over $200 triggers the rule. For premium brands, the math shifts because replacement cost is $1,000+.
Real Example
Your 7-year-old mid-range dishwasher needs a new wash motor. Quoted cost: $300. A comparable new dishwasher costs $600. That is 50% β and at 7 years old, you are past the midpoint. Replace it. But if that same motor fails on a 4-year-old Bosch that cost $1,200, the repair makes sense.
Common Repairs & Verdicts
| Repair | Cost |
|---|---|
| Drain pump replacement | $100-$200 |
| Door latch / switch | $75-$150 |
| Water inlet valve | $75-$175 |
| Wash motor / circulation pump | $250-$400 |
| Control board | $200-$350 |
| Heating element / thermostat | $100-$200 |
When to Repair vs. Replace
Signs to Repair
The repair is under $200
Pumps, valves, latches, and heating elements all fall in this range. These are routine fixes that add years of life to any dishwasher.
The unit is under 6 years old
A dishwasher in its first half of life is worth repairing for almost any single-component failure.
The issue is a clogged drain or failed pump
Drainage problems are the most common dishwasher complaint and the cheapest to fix. A drain pump swap runs $100-$200 and takes under an hour.
You own a premium brand
Bosch, Miele, and KitchenAid dishwashers cost $800-$2,000+ new. A $300 repair is a fraction of replacement cost and these units are built to last.
The problem is a faulty door latch
A door that will not latch usually just needs a $75-$150 switch or latch replacement. This is one of the cheapest dishwasher repairs and takes about 30 minutes.
Signs to Replace
The wash motor failed on a unit over 7 years old
A wash motor replacement runs $250-$400. On a mid-range dishwasher that cost $600 new and is past its midpoint, this repair exceeds the 50% threshold.
The tub is cracked or rusted through
A plastic tub with cracks or a stainless tub with holes cannot be repaired. Tub replacement costs more than a new dishwasher in most cases.
The dishwasher leaks from the base
Base leaks often indicate a failed tub seal, cracked sump, or corroded internal components. These repairs can run $200-$400 and may not hold long-term on older units.
You have had 2+ service calls in the past year
Multiple failures in a short window means the unit is wearing out across the board. Further investment will not buy much additional life.
Brand-Specific Advice
Repair in most cases. These dishwashers cost $800-$2,000+ and are engineered for 12-15 years. Even a $400 wash motor replacement on a 7-year-old Bosch leaves significant life in the machine. Parts are widely available.
Repair if under 6 years and the fix is under $200. These units cost $500-$800 new. Pump and valve repairs are easy calls. A $350 control board on an 8-year-old Samsung β skip it and put that money toward a new unit.
Repair only if the fix is under $125 and the unit is under 4 years old. Budget dishwashers cost $350-$550 new. A $200 repair on a $400 dishwasher at 5 years old is poor math. Replace and consider stepping up to a Bosch 100 series.
Energy Efficiency Reality Check
New ENERGY STAR dishwashers use about 12% less energy and 30% less water than models from 10 years ago. Annual savings are roughly $25-$40. That is meaningful over a decade but will not recoup the cost of a new unit by itself. Water savings matter more than electricity savings for dishwashers.
How TruePro Helps You Decide
Our technicians diagnose the issue for $59 β credited toward your repair. You get a written quote before any work starts. We carry common dishwasher parts on our trucks, so many repairs are completed the same day. If the numbers favor replacing, we tell you upfront.
Repair or Replace Dishwasher β FAQ
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