Plumbing discussions and local services.

 
zmusician88
Discussion options
Discussion options
[#747]

Getting That Stubborn Dishwasher Working Again Without Calling a Repair Guy

When my dishwasher started leaving everything kinda grimy, I figured I’d give fixing it a shot before shelling out for a pro. Here’s what worked for me, step by step:

1. Pulled out the bottom rack and checked the filter. It was gross - like, “what even IS that?” gross. Cleaned it with an old toothbrush and hot water.
2. Ran a quick cycle with just a cup of vinegar on the top rack (no dishes). That seemed to help with the weird smell.
3. Checked the spray arms for gunk. Toothpicks are surprisingly handy for poking out the holes.
4. Made sure nothing was blocking the drain at the bottom.

After all that, it’s running way better, but I’m not sure if I missed anything. Anyone have a trick for getting rid of that cloudy film on glasses? Or maybe something I should try if it starts acting up again?


Join the conversation

Share your experience or ask a follow-up question.

475 replies

georgejackson520

2. Ran a quick cycle with just a cup of vinegar on the top rack (no dishes).

I’d be careful with the vinegar trick - some dishwasher manuals actually warn against it since it can mess with the rubber seals over time. Instead, I use a rinse aid (store brand works fine) and it really cuts down on that cloudy film. If you’re in a hard water area, that’s usually the culprit. Also, double-check your detergent amount; too much can leave residue. I learned that the hard way after my glasses started looking frosted... not in a good way.


Reply
benq26

Yeah, I’ve heard mixed things about vinegar too. Tried it once and didn’t notice much difference, honestly. The rinse aid tip is solid - made a big improvement for me, especially with hard water. Funny how just tweaking the detergent fixed half my issues... appliances are picky sometimes.


Reply
running_sarah

Funny how just tweaking the detergent fixed half my issues... appliances are picky sometimes.

- Swapping detergent brands made a bigger difference than I expected. Some of the “eco” ones just left a weird film.
- Rinse aid is a must for me too, especially with our hard water. I tried skipping it once - big mistake, everything looked cloudy.
- Vinegar didn’t do much here either. Maybe it’s more hype than help?
- Quick tip: running the hot water in the sink before starting the dishwasher seems to help it clean better. Not sure why, but it works.
- These machines really do have personalities... or maybe I’m just spending too much time troubleshooting them.


Reply
zmusician88
zmusician88 Topic starter

Cloudy glasses are the bane of my existence, honestly. I’ve tried a couple different detergents - some left that haze, others didn’t. Rinse aid helps, but it feels like a band-aid more than a fix. Hard water’s definitely part of my problem too. I’ve heard citric acid (like those dishwasher cleaner packets) can sometimes clear up the film, but haven’t tested it myself yet. The “run hot water first” trick is interesting - never thought of that, but makes sense if the machine starts with cold water by default. Appliances really do have moods… or maybe it’s just us losing patience.


Reply
tigger_leaf3000

Hard water’s a real pain, no doubt. You’re not alone - cloudy glassware is one of the most common complaints I hear about dishwashers. Here’s a quick rundown of what usually works:

- Rinse aid does help, but you’re right, it’s more of a patch than a cure if the root issue is minerals.
- Citric acid packets (or even just running a cycle with a cup of white vinegar) can break down mineral deposits inside the machine and on your glassware. Worth a shot, especially if you haven’t tried it yet.
- Detergent choice matters, but honestly, if your water’s hard enough, even the “good” stuff can leave residue.
- That hot water trick? It’s legit. Most dishwashers don’t heat the incoming water right away, so starting with hot can make a difference.
- If you’re up for it, check your dishwasher’s filter and spray arms for gunk - sometimes buildup there makes things worse.

Don’t beat yourself up over this. Sometimes it really is just the water in your area, not anything you’re doing wrong. I’ve seen folks swap detergents ten times before realizing it was all about the minerals... appliances definitely have their quirks, but you’re not losing your mind.


Reply
bleaf67

It’s honestly reassuring to see I’m not the only one who’s had a standoff with hard water and streaky glasses. You’re right, it’s not always about technique - it’s just the reality of what’s coming out of the tap. I remember thinking my machine was broken for months, only to realize it was just mineral buildup. The vinegar trick worked wonders, though I had my doubts at first.

You’re spot on about checking the filter and spray arms. It’s one of those “out of sight, out of mind” things that makes a bigger difference than you’d expect. I’d add that sometimes folks overlook the environmental angle - switching to eco-friendly detergents has helped me a bit, though it’s not a miracle fix. Still, it feels better knowing I’m not dumping extra chemicals down the drain.

Honestly, nobody tells you how much detective work goes into keeping appliances happy. It’s not a personal failure if your glassware isn’t sparkling. Sometimes it’s just stubborn minerals refusing to budge, no matter how many times you swap brands or tweak settings.


Reply
robotics200

Funny timing - I just went through a similar saga with my own dishwasher last month. I’d convinced myself it was on its last legs, ready for the landfill, but turns out it was just years of gunk and hard water buildup doing their thing. I’m with you on the “detective work” part; it’s almost like you need a minor in appliance troubleshooting these days.

I’ll admit, I was skeptical about the vinegar rinse too. It sounded like one of those internet hacks that’s all hype, but after running a cycle with a cup of vinegar, the difference was pretty wild. Still, I think there’s a limit to what home remedies can do if your water’s really hard. I ended up installing a cheap inline water filter under the sink - not a full-blown softener, just something to catch the worst of it. That, plus cleaning out the filter (which was way grosser than I expected), made a bigger difference than any detergent swap.

I get the push for eco-friendly detergents, and I try to use them when I can, but honestly, some of them just don’t cut it with our water. I’ve had to rotate between brands depending on what’s on sale or what actually works. Sometimes I feel like I’m running a science experiment in my kitchen.

One thing I wish more people talked about is how much the loading pattern matters. I used to just cram everything in, but after watching a couple of those “how dishwashers work” videos, I realized I was blocking the spray arms half the time. Now I’m borderline obsessive about how I stack plates and bowls, and it’s made a difference - though maybe that’s just wishful thinking.

At the end of the day, it’s kind of wild how much effort goes into keeping a supposedly “automatic” appliance running smoothly. Makes me appreciate the old-school hand-wash method sometimes... except for when it comes to pots and pans. Those can stay in the dishwasher, streaks or not.


Reply
gandalfmusician844

Sometimes I feel like I’m running a science experiment in my kitchen.

Same here - my dishwasher is basically my new hobby. I thought “automatic” meant set it and forget it, but nope, it’s more like a puzzle. I tried the vinegar trick and was shocked at the amount of gunk that came out. Also, whoever said “just rinse your plates and toss them in” clearly never met my spaghetti sauce. Loading patterns are a whole art form... I still mess it up and end up with bowls full of water.


Reply
shadowc84

Loading patterns are a whole art form... I still mess it up and end up with bowls full of water.

You’re not alone there. I’ve owned a few places and every dishwasher seems to have its own quirks. Sometimes the “rinse and toss” advice just leads to more headaches - especially with greasy stuff like spaghetti sauce. Vinegar helps, but don’t overdo it or you’ll mess with the seals. Trial and error’s pretty much the only way, in my experience. Hang in there, it gets easier once you figure out what your machine likes (and hates).


Reply
cathy_lee

I get what you’re saying about “trial and error,” but honestly, I think there’s a bit more to it than just figuring out your machine’s quirks. Sometimes it’s less about the dishwasher itself and more about how you’re loading stuff in. Like, those bowls full of water? Nine times out of ten, it’s because they’re angled wrong or stacked too close together. I used to blame my old Whirlpool for that all the time, but once I started spacing things out and tilting bowls a bit, the problem mostly disappeared.

Vinegar helps, but don’t overdo it or you’ll mess with the seals.

I’ve heard this too, but I’ve been using vinegar every couple months for years and haven’t had any issues with seals cracking or anything like that. Maybe it depends on the brand or age of the machine? Either way, I’d say a little vinegar rinse now and then is better than letting hard water gunk build up.

One thing I will push back on is the “rinse and toss” method. If you’re dealing with really greasy stuff, like lasagna pans or anything with baked-on cheese, I find it actually helps to scrape off as much as possible but skip the pre-rinse. The detergent needs something to grab onto, otherwise it just foams up and doesn’t clean as well. Sounds weird, but it works for me.

Honestly, half the battle is just not overloading the thing. When I try to cram in that last mug or plate, that’s when stuff comes out dirty or soaking wet. Sometimes less really is more with these machines... even if it means running an extra load now and then.

Anyway, just my two cents from years of fighting with dishwashers in old rentals and fixer-uppers.


Reply
rays12

I’m still figuring out the best way to load ours, honestly. Sometimes it feels like there’s some secret code to getting everything actually clean and dry. I’ve tried the vinegar thing a couple times - no issues yet, but I get nervous about messing up the seals too. The pre-rinse debate is wild... my mom always rinsed everything, but I’ve noticed the detergent seems to work better if there’s a little grime left. Overloading is definitely my downfall, though. It’s just so tempting to fit that last coffee mug in, but then I end up rewashing half the stuff anyway.


Reply
science880

I totally get the urge to cram in that last mug - been there, regretted that. It’s weird how dishwashers seem to have their own logic. I’ve found that spacing things out, especially bowls and big plates, makes a surprising difference. As for vinegar, I use it sparingly, maybe once every couple months, and haven’t had seal issues yet. The pre-rinse thing is tricky... I used to rinse everything, but now I just scrape off the big stuff and let the machine do its job. It’s tough to break old habits, but you’re definitely not alone in figuring it out.


Reply
culture518

- Totally get what you mean about the urge to fit in that last mug. It’s like a game of Tetris, but the dishwasher always wins.
- Spacing is huge - if stuff’s too close, water can’t get everywhere it needs to. I’ve seen people stack bowls so tight that nothing in the middle gets clean, then they blame the machine.
- Vinegar’s a solid move for cleaning, but yeah, I’d be careful with it too. Some seals are fine, others not so much... depends on the brand and age. Once every couple months seems pretty safe though.
- Pre-rinsing is one of those things everyone has an opinion on. Manufacturers say don’t bother, but if you’ve got dried-on oatmeal or eggs, sometimes you just have to give it a quick rinse or at least soak it a bit. I try to just scrape off the big stuff and trust the dishwasher for the rest - saves water and time.
- If you’re still having issues after all that, sometimes it’s worth checking the spray arms for clogs (toothpicks or seeds love to hide in there), and making sure the filter isn’t gunked up. That’s fixed more “broken” dishwashers than I can count.
- One thing I learned the hard way: using too much detergent can actually make things worse - leftover soap residue attracts grime and makes glasses cloudy.

You’re definitely not alone in figuring this out... dishwashers are weirdly finicky for something that’s supposed to make life easier. But sounds like you’re on the right track with spacing and not overdoing the vinegar or pre-rinse. Sometimes it’s just trial and error until you find what works for your setup.


Reply
raycoder

Spacing is huge - if stuff’s too close, water can’t get everywhere it needs to. I’ve seen people stack bowls so tight that nothing in the middle gets clean, then they blame the machine.

This is spot on. I can’t count how many times folks call me out for a “broken” dishwasher and it’s just a case of cramming in too much stuff. Out of curiosity, has anyone checked the float valve? Sometimes a stuck float will trick the machine into thinking it’s full of water when it’s not. Also, about vinegar - totally agree moderation is key. Too much and you might end up replacing seals sooner than you’d like. Anyone else ever find random plastic bits melted on the heating element, or is that just my luck?


Reply
george_walker

I get what you’re saying about spacing, but honestly, I’ve seen some dishwashers that just don’t spray well no matter how careful you are. Like, you could leave half the rack empty and still end up with crusty oatmeal bowls. Sometimes it’s a weak pump or clogged spray arms, not just how folks load it. I actually had a neighbor swear up and down that she was loading “by the book,” but when I checked, the spray arm holes were gunked up with hard water deposits. Quick poke with a toothpick and she thought I was a magician.

About the float valve - good call there. That thing gets sticky more often than people realize, especially if you’ve got pets or live somewhere dusty. But I’d say the most overlooked culprit is the filter at the bottom. People forget those exist until their dishwasher smells like a swamp.

As for vinegar, yeah, I hear you on being careful. But I’ll admit, I’ve used it pretty liberally over the years and haven’t had seal issues yet. Maybe depends on the brand or age of your dishwasher? Could be luck of the draw.

And melted plastic... man, that’s not just you. My kid once put a plastic lid on the bottom rack and it turned into modern art on the heating coil. Took forever to scrape off and the smell lingered for days. At least it wasn’t another Tupperware lid lost to the void.

Anyway, sometimes these machines just have their quirks. It’s not always user error - sometimes they’re just due for a little TLC under the hood.


Reply
crafts_andrew

That melted plastic story made me laugh - been there, done that, still finding the smell in my nightmares. Is there a trick for cleaning the filter without getting totally grossed out? I swear mine’s a science experiment every time I look at it. Also, does anyone else feel like the float valve is in the most awkward spot ever? I feel like I need baby hands to reach in there.


Reply
magician51

I swear mine’s a science experiment every time I look at it.

You’re not exaggerating - some filters look like they’re growing their own ecosystem. I keep a pair of old dish gloves just for that job. As for the float valve, I’ve got long fingers and even I have to contort my wrist in ways nature never intended. They really could’ve designed that better, but at least once you get the hang of it, it’s just routine maintenance. Stick with it - the payoff is worth the hassle.


Reply
tech931

I hear you on the float valve acrobatics - whoever designed that must have double-jointed wrists or something. I once dropped a tiny screw into the abyss under the dishwasher trying to get at mine, and it took me half an hour with a magnet-on-a-string to fish it out. Has anyone ever actually managed to get those filters out without making a mess? Every time I do it, I feel like I’m prepping for a biology exam rather than cleaning my kitchen.


Reply
zeldageocacher

Those filters are a nightmare, aren’t they? I’ve done this routine more times than I care to admit, and I still end up with at least one puddle on the floor or a handful of gunk I wasn’t expecting. The float valve design makes me wonder if the engineers ever actually tried cleaning one themselves.

Here’s what’s worked for me after a lot of trial and error: I keep a shallow baking tray under the filter area to catch any drips or stray screws. It’s saved me from crawling around with a flashlight more than once. For the tiny screws, I use one of those telescoping magnetic wands (the kind you find at hardware stores) instead of string - less fiddly, and you don’t have to worry about the magnet coming loose.

Honestly, I don’t think there’s a way to get the filter out without at least a little mess, but I’ve found that laying out all the tools and a towel beforehand makes the whole thing feel less like surgery. You’re definitely not alone in feeling like you need a degree for this stuff.


Reply

Find a local plumber.

Loading local plumbers…

Scroll to Top