Articles · Apps

Before you buy another one

A surprising proportion of dead appliances are one failed component: a pump, a belt, a thermal fuse, a swollen battery, a broken hinge. The barrier is almost never the skill. It is finding out which part, ordering the right one, and having some confidence about what is behind the panel before you take it off. All three of those are phone jobs now, and the answer is very often already published by somebody who took the same model apart in 2019.

The order that saves the afternoon

  1. Find the model number before anything else Rating plate on the back, under the lid, inside the door frame or behind the drawer. Photograph it. Everything downstream depends on the exact model, not the range.
  2. Search the fault with the model number Not "dishwasher not draining" but the model number and the symptom. Common failures are common, and somebody has written yours up.
  3. Find the manual and any exploded diagram The parts diagram gives you the part number, which is the only thing worth ordering by. Descriptions are ambiguous and generics often are not.
  4. Watch somebody do it first, all the way through Before touching a screwdriver. You are looking for the hidden clip, the part that has to come off first, and whether it needs a tool you do not own.
  5. Photograph every stage as you go Each screw removed, each connector unplugged. Reassembly is where most repairs go wrong and the photographs are what save it.
  6. Test before you put the panels back on Power it up in a safe state and confirm the fault is gone. Reassembling twice is a miserable way to spend an evening.

The apps that do the work

1

iFixit

Dozuki
4,2 1 mi+ 4 MB

The first place to look for anything electronic. Step-by-step teardowns with photographs, the tools each step needs, and an honest difficulty rating at the top of every guide.

2

ManualsLib

ManualsLib.com
4,2 1 mi+ 29 MB

The manual for your exact model when the manufacturer has buried it or discontinued the product. Very large collection, and it covers appliances as well as electronics.

3

YouTube

Google LLC
3,8 10 bi+ 195 MB

Where most model-specific repairs actually live. Search the model number rather than the symptom and the results get dramatically better.

4

Google

Google LLC
4,0 10 bi+ 227 MB

Its camera search reads a rating plate, a part number or a serial moulded into dark plastic far more reliably than you will type it out.

5

Lupa + Lanterna

App2U
4,9 10 mi+ 30 MB

Magnification with the flashlight on, for the times that part number is embossed rather than printed and sits in a shadow at the back of a cabinet.

6

Leitor QR Code

TeaCapps
4,6 100 mi+ 17 MB

The barcode on the old part or its packaging, which frequently resolves to the exact replacement in one step.

7

Adobe Acrobat Reader

Adobe
4,5 500 mi+ 275 MB

Service manuals and exploded diagrams are large PDFs. This handles them and lets you search inside the document for a part number.

8

Google Drive

Google LLC
4,3 10 bi+ 124 MB

A folder of manuals, one per appliance. It is the second repair on the same machine where this pays for itself.

9

Google Keep

Google LLC
4,7 1 bi+ 13 MB

A note per appliance: model number, filter size, bulb type, belt length, the date you last replaced something. Twenty seconds now, an hour saved later.

10

Google Fotos

Google LLC
4,4 10 bi+ 221 MB

The stage-by-stage record. Make an album per repair, because a phone camera roll in date order is useless three panels in.

11

Electrodoc - electronics tools

IODEMA Srl
4,7 10 mi+ 11 MB

Resistor and capacitor codes, connector pinouts, wire gauges and the basic electrical calculations, offline. Electronics rather than appliances, and excellent at that.

12

Smart Tools - ferramentas

Smart Tools co.
4,5 1 mi+ 13 MB

Ruler, protractor, level and a metal detector for locating a screw under a plastic panel. Accuracy depends on the phone's sensors, so calibrate it before trusting a measurement.

13

Nivel

PixelProse SARL
4,3 10 mi+ 15 MB

A plain bubble level, which turns out to be the tool for half of all washing machine and fridge complaints. Many are simply not sitting flat.

14

AR Ruler

Grymala apps
3,8 10 mi+ 87 MB

Rough measurement with the camera for clearances and gaps. An indication rather than a measurement, and no substitute for a tape on anything tight.

15

eBay

eBay Mobile
4,5 100 mi+ 317 MB

The best source for discontinued parts and for a broken donor unit of the same model, which is often cheaper than the single part you need.

16

AliExpress: Compras online

Alibaba Mobile
4,3 500 mi+ 133 MB

Generic components and common spares at a fraction of the branded price, with a wait measured in weeks. Order early, order two.

17

Banggood

Banggood
4,6 50 mi+ 28 MB

The same territory, occasionally with better stock of tools, meters and the small consumables that repairs need.

18

Amazon Shopping

Amazon Mobile LLC
4,4 1 bi+ 227 MB

Faster and dearer, and worth it when the machine in question is the washing machine and there are children in the house.

19

The Home Depot

The Home Depot, Inc
4,4 10 mi+ 82 MB

For the consumables and hardware end of a repair in the United States, where stock checking a local branch before driving to it is the actual feature.

20

Thumbtack

Thumbtack
4,9 5 mi+ 79 MB

For the point where you decide to hand it over. Getting a quote is free, and it is often the sensible outcome after an hour of diagnosis.

Where the part comes from

What brokeUsual sourceTypical wait
Appliance pump, belt, seal, elementSpecialist spares retailerA few days
Discontinued plastic partA broken donor unit onlineOne to two weeks
Phone or laptop battery, screenRepair parts specialistDays, and check the cell quality
Generic electronics componentOverseas marketplaceTwo to six weeks
Fasteners, hose, consumablesLocal hardware shopSame day
Anything under warrantyThe manufacturer, untouchedDo not open it first
Usually worth repairing
  • Appliances with one obviously failed part
  • Anything mechanical with parts still sold
  • Furniture, bikes, tools, garden equipment
  • A device you only need for another year
Usually not
  • Sealed devices glued shut with no parts on sale
  • Anything where the part costs most of a new one
  • Items still under warranty, which you should not open
  • A repair that needs a tool costing more than the device

The habit that makes the second repair easy

The single most useful thing you can do is build a small record per appliance: a photograph of the rating plate, the manual saved as a PDF, and a note of what you replaced and when. It takes a couple of minutes at the end of a repair, and it turns the next one on the same machine from an evening of searching into a ten minute job.

The second most useful thing is to buy the two or three tools that actually unlock repairs rather than a large kit you will not use. For electronics that is a set of precision drivers with security bits, a plastic prying tool and a suction cup. For appliances it is a socket set, a multimeter and a torch you can put down and aim. Very little else comes up often enough to justify the drawer space.

Model number, manual, teardown video, photograph every step, and order by part number. The cost of trying is usually one part and an evening.

Frequently asked questions

Does opening something void the warranty?

It can, and consumer law on this varies a great deal by country. If the item is still in warranty the sensible move is always to use the warranty, however slow it is, rather than to open it and lose the claim.

Are generic replacement parts worth buying?

For mechanical parts like belts, hoses and seals, usually yes. For anything with electronics in it, and particularly for batteries, the quality difference is real and the cheapest option is a poor idea.

What if I cannot find the model number?

Check the back, the base, inside any door or lid, behind a removable drawer, and the original box or receipt. Failing that, a photograph of the whole item posted to a repair community usually gets identified quickly.

How do I know whether a repair is beyond me?

Watch somebody do it first. If the video contains a step you are not comfortable with, or a tool you do not have, that is your answer before anything is in pieces on the kitchen table.

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