When should you repair or replace an appliance?
Repair first. For a garbage disposal, dishwasher, dryer or washer that won't drain, spin or heat, the cause is usually a jam, clog, tripped breaker or cheap part, with DIY costs of $0 to $60 against $80 to $300 for a pro. Call a pro for gas, 240V wiring, control boards or failed motors.
Should I repair or replace a broken appliance?
Start with the repair. For the five problems below, the guides trace the cause to a clog, a jam, a tripped breaker or a cheap part, not a dead machine. Replacement is the answer only in a few specific cases, listed in the last section.
The guides give no age cutoff and no price line for when a repair stops making sense, so this article does not either. What they give is real DIY and pro costs, a symptom-to-cause match and clear stop signs.
One cost sits beside those repairs. A new garbage disposal runs $100–250 installed, which the guide calls almost never needed for a jam or a trip.
How much does each repair cost to DIY versus hiring a pro?
Most of these repairs cost $0 to $60 in parts, while a pro visit runs $80 to $300. The figures below come straight from the Fix-It Playbook guides.
| Appliance problem | Typical DIY cost | Typical pro cost |
|---|---|---|
| Garbage disposal hums or is dead | $0 | $80–150 |
| Dishwasher won't drain | Usually $0 | $100–200 |
| Dryer won't heat | Thermal fuse $5–15, heating element $30–60, gas igniter $20–40 | $150–300 |
| Dryer won't spin or squeals | Belt $10–20, idler pulley $10–15, roller kit $15–30 | $150–250 |
| Washer won't drain or spin | $0 for filter and hose; lid switch or door lock $15–30 | $150–250 |
In every row the pro price is mostly labor for a task a homeowner can do. The guide for the garbage disposal puts it bluntly: $80–150 for someone to turn a key and push a button.
Which kitchen appliance problems are usually a cheap fix?
A garbage disposal that hums is jammed, and one that is silent has tripped its reset. Replacing it is rarely the answer.
- Hums but won't spin: a jam. Cut the power, turn the 1/4" hex key in the center of the bottom back and forth, and fish debris out with tongs or pliers. Then press the red reset button.
- Completely silent: press the reset button, then check the kitchen breaker, the wall switch and the plug.
Never put your hand in the disposal. Unplug it or switch off its breaker first, because a wired switch can be bumped.
A dishwasher that leaves standing water almost always has a clog along the drain path, not a failed machine. Clean the filter first, since it causes the majority of "won't drain" calls and takes two minutes. Switch off the breaker and wear gloves, as there is often broken glass in the sump.
- Water backs up into the sink: check the drain hose high loop, kinks and the air gap.
- Never drained since install: the disposal's knockout plug is still in place. Tapping it out is a 30-second fix.
- No pump sound at the drain step: the pump may be jammed or dead. Clear debris, otherwise call a pro.
Which dryer problems are worth fixing instead of replacing?
A dryer that tumbles without heat has a heat-circuit problem, not a motor problem. A dryer that hums with a still drum has a broken belt, the most common dryer repair. The guides call all of these cheap parts, not a new dryer.
No heat. Work in order, cheapest and likeliest first:
- On an electric dryer, flip the double breaker fully off and on. Tumbling with no heat often means one of the two 240V legs is off.
- Test the thermal fuse for continuity with the dryer unplugged. A blown fuse reads open.
- Test the heating element (electric) or igniter (gas) for continuity.
A blown thermal fuse almost always means a clogged vent. Replace the fuse without cleaning the vent and the new one will blow again, and a packed lint vent is a fire risk.
Won't spin or noisy. If the drum spins freely by hand with the motor off, the belt is broken. A loud squeal points to the idler pulley, and a thump or rumble points to the support rollers or glides. Photograph the belt routing before you remove anything, and replace the belt and idler together.
What should I check before replacing a washer that won't drain or spin?
Check the pump filter, the drain hose and the load balance first. A washer will not spin until it has drained, so a drain problem often looks like a spin problem.
- Water left in the drum: clean the drain pump filter, the "coin trap" behind the small panel at the bottom front of a front-loader. Unplug the washer and release the water slowly into a shallow pan, because it comes in waves.
- Still won't drain: straighten any kink in the drain hose, and make sure it sits only a few inches into the standpipe.
- Drains but clothes come out soaking: spread the load evenly and level the feet. If it still won't spin, test the lid switch or door lock.
The guide's advice is to balance the load before buying any part, since that fixes no-spin more often than not.
When do the guides point to a pro or a replacement?
The Fix-It Playbook guides point to a pro when the job involves gas, 240V wiring, control boards or a failed motor or pump. Two of the guides also raise replacement directly.
- Disposal: water leaking from the bottom of the unit means a cracked shell, and the disposal needs replacing. A disposal that is dead after a reset and confirmed power has a failed motor.
- Dryer grinding: a deep grinding that won't quit may be the rear drum bearing or motor. The guide says this is more involved and sometimes not worth it on an old dryer, so weigh it against a new dryer.
- Washer: a dead pump motor, tub leaks or a failed bearing are bigger jobs.
Everything else on the list above, such as jams, resets, filters, hoses, fuses, belts and igniters, is a repair the guides call doable at home.
Doing it yourself
$0 for the disposal, dishwasher and most washer fixes; $5–60 for dryer parts such as a thermal fuse ($5–15), heating element ($30–60), gas igniter ($20–40), belt ($10–20), idler pulley ($10–15) or roller kit ($15–30)
Calling a pro
$80–150 for a disposal, $100–200 for a dishwasher, $150–300 for a dryer that won't heat, $150–250 for a dryer that won't spin or a washer
Time: Disposal fixes take about five minutes and a dishwasher filter about ten; dryer belt jobs take a couple of hours.
When to stop and call a pro
- A garbage disposal leaking from the bottom of the unit, or dead after reset and confirmed power (the shell is cracked or the motor has failed).
- Any gas valve or gas-line work on a dryer beyond swapping the igniter.
- Any job where you are not comfortable with a multimeter or 240V, or where the control board, wiring harness or door-lock electronics are involved.
- A dryer with a deep grinding that won't quit (rear drum bearing or motor) or a washer with a dead drain pump motor, tub leaks or a failed bearing.
- A dishwasher with no pump sound at the drain step after you have cleared debris.
See the repair, step by step
The Fix-It Playbook guides add the full illustrated step-by-step for each repair, including the hex-key jam fix for disposals, the coin-trap walkthrough for washers, the thermal fuse continuity test and the belt routing for dryers, plus tool lists and troubleshooting tables. Single guides are $6, the Kitchen Repair Kit (guides 15-19) and the Laundry Repair Kit (guides 20-24) are $14 each, and the Core Library of 24 guides is $49.
Get “Kitchen Repair Kit” — $14 →Get “Laundry Repair Kit” — $14 →Or get all 24 home repair guides in the Core Library ($49), or a single guide for $6. Instant PDF, no subscription.
Frequently asked questions
Is it cheaper to fix a dryer that won't heat or buy a new one?
The guide says fixing it is cheap parts, not a new dryer. A thermal fuse is $5–15, a heating element $30–60 and a gas igniter $20–40, versus $150–300 for a pro. Clean the vent too, because a clogged vent is what usually blows the fuse.
How much does a pro charge to fix a garbage disposal that hums?
The guide puts a pro at $80–150 to turn a key and push a button. Doing it yourself costs $0 with the hex key that comes with the unit and the reset button. A new disposal is $100–250 installed and is almost never needed for a jam or a trip.
Why is there standing water in my dishwasher after every cycle?
Usually a dirty filter or blocked sump, which the guide says causes the majority of won't-drain calls. Switch off the breaker, bail the water, rinse the filter and clear the sump. A pro visit for this runs $100–200, while the DIY fix is usually $0.
Can a dryer that squeals or thumps be repaired?
Yes. A squeal points to a worn idler pulley ($10–15) and a thump to worn rollers or glides (roller kit $15–30). A broken belt is $10–20. A pro swap runs $150–250, and the guide suggests replacing the belt, idler and rollers together.
Why won't my washer spin even though it drains?
The usual causes are an unbalanced load, an unlevel machine, or a failing lid switch or door lock. Spread the clothes evenly and adjust the leveling feet first. A replacement lid switch or door lock is $15–30, versus $150–250 from a pro.
Sources
Safety guidance and key figures were checked against these outside sources on October 22, 2026. Dollar figures are typical ranges, not quotes.
- Dryer Venting (U.S. Department of Energy). Lint and restricted airflow cause many dryer fires; clean the whole vent system at least yearly; use UL-approved metal duct; check that the vent flap opens.
- Clothes Dryer Fire Safety (U.S. Fire Administration (FEMA)). Failure to clean lint filter and vents is the main risk; clean lint filter each load; have dryer installed and serviced by a professional; confirm outdoor vent opens.
- CPSC Safety Alert: Clothes Dryer Fires (hosted by City of Meriden, CT) (U.S. Consumer Product Safety Commission). Damp clothes after a cycle can signal a blockage; clean lint screen and vent; use rigid or semi-rigid metal duct; have a qualified person clean the inside of the dryer.
- CPSC staff report on clothes dryer lint and vent blockage (clothes_1.pdf, older, OCR scan) (U.S. Consumer Product Safety Commission). Lint buildup raises internal dryer temperature; duct/vent and lint trap were the most common fire origins in investigated cases.
- Dryer Fire Safety (Commonwealth of Massachusetts (Dept. of Fire Services)). Clean lint filter after every load; clean outside vents twice a year.
- Estimated Life Expectancy Chart (InterNACHI). Typical lives: disposal 12 yrs, dryer 13, dishwasher 9, washer 5-15 (guidelines).
- My Garbage Disposal is Not Working (resident guide) (University of Utah Family and Graduate Housing). Press the reset button on the bottom; check the breaker; humming without grinding usually means a mechanical blockage.
More answers
For general homeowner reference only. When a repair involves gas, major electrical, or structural work, call a licensed professional.