Fix or Replace Dishwasher: When to Repair and When to Buy New

When your dishwasher, a kitchen appliance that automatically cleans dishes using water and detergent. Also known as a dishwashing machine, it’s one of the most used appliances in your home. starts leaking, makes strange noises, or just won’t clean properly, you’re stuck with a tough call: fix it or replace it? Most people assume a broken dishwasher means a new one is the only answer—but that’s not always true. Many dishwashers can be fixed for less than half the cost of a new unit, especially if they’re under 8 years old. The real question isn’t just about price—it’s about how much life is left in the machine, how often you use it, and whether the repair will actually solve the problem.

One key factor is dishwasher lifespan, the average number of years a dishwasher operates before needing replacement. Most models last between 9 and 12 years, depending on usage and maintenance. If yours is 7 years old and the repair cost is under $200, fixing it usually makes sense. But if it’s 12+ years old and you’re spending $300 on a new pump or control board, you’re basically paying to keep an outdated machine running. Newer dishwashers use 30% less water and electricity, so over time, a replacement could actually save you money. Also, older units often have parts that are hard to find—or no longer made—which means even a simple fix can turn into a long wait or expensive custom order.

Another thing to watch for is dishwasher repair, the process of diagnosing and fixing mechanical or electrical faults in a dishwasher. Common issues like clogged filters, worn door seals, or faulty spray arms are cheap and easy to fix. But if the control board is fried, the heating element is dead, or the motor is grinding, those are red flags. A single repair might bring it back to life—but if you’ve had two or three repairs in the last year, you’re likely on a losing streak. Think of it like a car: if you’re constantly replacing parts, it’s time to consider a new one.

And don’t forget about dishwasher replacement, the act of removing an old dishwasher and installing a new model. It’s not just about buying a new appliance—it’s about fitting it, connecting water lines, and making sure the electrical setup matches. In Glastonbury, many homes have older plumbing or narrow kitchen layouts, which can make installation trickier than expected. A professional install might add $150–$300 to the cost, so factor that in when comparing repair vs. replacement.

There’s no magic number that says "fix at 5 years, replace at 8," but here’s a simple rule: if the repair cost is more than half the price of a new dishwasher, walk away. And if your energy bills are creeping up, or your dishes come out still dirty, that’s your system screaming for an upgrade. You’re not just fixing a machine—you’re protecting your time, your water bill, and your sanity.

Below, you’ll find real-world advice from people who’ve been there: what broke, how much it cost to fix, and whether they regretted their choice. Some saved hundreds by repairing. Others saved even more by replacing early. You’ll see the patterns, spot the traps, and walk away knowing exactly what to do when your dishwasher starts acting up.