Close-up of hands cleaning and repairing a disassembled blender with tools on a workbench.
Hidden Maintenance Steps That Keep Blenders Running Longer
Written by Martha Childress on 4/9/2025

Lubrication and Care for Moving Parts

An illustration showing the internal moving parts of a blender being lubricated and cleaned with maintenance tools nearby.

Elbow grease isn’t enough—there’s always crud hiding under the base, waiting to gum things up. Grease is a big deal. When the parts stick, the motor starts groaning or you get that burnt smell—never a good sign.

Using Food-Grade Lubricant

Don’t even think about using regular oil. You need food-grade lubricant, and just a drop. If you skip this, your blender will squeak or lock up, usually when you’re in a rush. Kitchenware-expert.com says to hit the gears under the blade assembly, but honestly, half the time I’m just guessing. Some brands hide the grease points like it’s a game. Always unplug first—seriously, I once forgot and almost lost a finger. Only use food-safe lube or you’ll ruin seals and probably void your warranty. Ask a repair tech; it’s always “user error.”

Troubleshooting Common Blender Issues

If you think following the manual fixes everything, good luck. My blender’s had more meltdowns than I can count. Sometimes I stand there, staring at it, wondering why it’s dead or why it sounds like a cement mixer. And the flood of advice online? Mostly just noise.

Blender Not Powering On

Flip the switch, nothing. Not even a light. I check every outlet, move the air fryer, still nothing. Sometimes it’s a loose cord, sometimes a blown fuse, or a breaker that tripped for no reason. Coffee maker works fine in the same spot, so I have no clue. An appliance tech told me to check for banana strings under the base. Apparently, internal wiring issues are super common—sometimes it’s the capacitor, sometimes the motor just gives up.

Nobody ever mentions the safety interlock. If the lid’s even slightly off, or the jar isn’t locked, the blender just plays dead. I’ll twist the jar a dozen times, swear at it, then realize the feet are dusty and blocking the sensor. If I smell burning plastic, I’m done—time for a repair shop. And of course, my phone charger works in the same socket, so I end up feeling like the idiot.

Noise or Unusual Vibrations

That horrible grinding noise? I’ve taken my blender apart searching for lost spoons, ice cubes, even my wedding ring (not kidding—false alarm). A chef buddy says it’s usually the coupling or bad bearings, but I blame kale stems. Pretty much every blender has a motor coupling that’s supposed to die before the motor does, but finding replacements is a hassle.

I’ve tried tightening blades, reseating the jar—sometimes it just leaks because the seal’s shot. Replacement seal kits are overpriced, by the way. Cleaning helps, except when it doesn’t and you just end up with rust. Sometimes the blender’s just sitting crooked on the counter, or there’s dried smoothie gunk under the base. High-pitched screeching? One friend just cranks up the radio and ignores it. If you see sparks or hear grinding metal, stop. That’s not “character,” that’s “call for help,” according to at least four repair guides.

Best Practices for Storing Your Blender

Storing a blender? Most people just shove it in a cabinet and hope for the best. I’ve seen more cracked jars and musty smells from “good enough” storage than I care to admit. Counter space is tight, but if you just toss it in there, don’t be surprised when the pitcher warps or everything turns sticky.

Drying and Assembling for Storage

Drying a blender is basically a trust fall—except every time I think I’ve nailed it, there’s some rogue drop hiding in the rim or stuck under that blade. And then, two days later, there’s a weird patch growing inside. I’m not even going to pretend I dry every part right away. Usually, I scatter the lid, gasket, blade, and jug upside down on a tea towel and then… wander off. Sometimes they sit there for hours. Sometimes overnight. Do I remember? Not always.

Every so often (I say “every six weeks” but who’s counting), I dump in a vinegar rinse because apparently leaving stuff damp is a one-way ticket to stink and eventual cracks. If I try to reassemble when it’s still wet? Lid jams, seal warps, and then it’s a wrestling match. I only put it back together when it feels desert-level dry. Skip this and, well, my cousin once glued her lid shut with old pear juice—she still brags that it’s “extra tight.” Sometimes I wedge a paper towel between the parts to let them breathe, but if it smells, I’m just washing it all over again. No shame.

Preventing Odors and Cracks

How does a blender—sealed, supposedly clean—end up smelling like a damp sock? I used to shove mine in the back of a cabinet, slap the lid on wet, and then wonder why it reeked. Turns out, that’s how you get mildew and that nasty plastic funk. I actually asked an appliance repair guy (because I’m that person now), and yeah, even the fancy Vitamix and Ninja ones can crack if you keep trapping moisture or let them go from freezing to boiling in five minutes.

I quit stacking cereal boxes on top of the jug after learning that, sometimes, the weight—not the blending—cracks the pitcher. Makes sense, I guess, but I never thought about it. Now I leave the blender somewhere dry, not above the kettle (steam city), not by the dishwasher, and it’s made a difference. Almost no lingering scent now. Some people swear by tossing a spoonful of baking soda in the jug to soak up smells, but honestly? I just leave the lid a little loose—unless I think the cat’s going to knock it over.