Generators leaking? Short answer: switch it off, stay safe, and track down the culprit quickly. Leaks can mean fuel, oil, or coolant—and none of them are friendly. Stick around and we'll walk you through how to spot the problem, fix it properly, and keep your generator running without drama.
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The first rule when you see a puddle under your generator—don't panic, but don't ignore it either. Leaks can spark fires, cause damage, and even put your health at risk. The quicker you move, the less trouble you'll face.
Switch off the generator straight away and unplug any appliances. This avoids short circuits and keeps things from escalating. A running generator and a fuel leak are not a mix you want.
Grab some old rags, sand, or even kitty litter to soak up the spill. This stops the mess from spreading and makes the area safer to work in while you investigate the cause.
Fuel leaks are the easiest to sniff out—literally. If it smells like petrol or diesel and you see a shiny puddle, that's fuel. Oil is darker, leaves drips or smudges, and often sits near the crankcase. Coolant usually shows up in green, yellow, or pink streaks around hoses or the radiator.
Make sure you're working in an open space. Fuel vapours can ignite and coolant fumes aren't good to breathe in. Fresh air keeps things safer while you check for damage.

When fuel appears underneath a portable generator, chances are the carburettor, hoses, or fuel lines are to blame. Loose fittings or worn parts are the usual culprits.
If fuel is dripping from the carburettor, a faulty gasket or float may be letting excess fuel spill out. These parts are small but vital—they regulate the flow of petrol.
Leaks near the air filter often point to an overfilled carburettor bowl or a stuck float needle. Fuel backs up and ends up in places it shouldn't—like your air filter.
Yes, even new generators can leak. A loose seal or factory defect might be the problem. Don't try to fix it yourself—get in touch with the manufacturer while it's under warranty.
Replacing the carburettor gasket or adjusting the float can solve small leaks. Always double-check the parts match your model before restarting the generator.
Cracked fuel lines or a dodgy petcock valve will drip petrol. Replacing them is a fairly simple job if you've got the right spares on hand.
Oil leaks often show up around the drain plug, seals, or old gaskets. If you see oil patches on the floor, check these first.
Coolant leaks usually stem from cracked hoses, a leaky radiator, or a worn water pump. Replace the damaged bits and top up the fluid to stop the engine overheating.

If you can't pin down the leak or it's coming from inside the engine, it's time to call in a professional. Some problems just aren't DIY-friendly.
A technician won't just stop the leak—they'll check the whole system. That means fewer surprises down the track and a generator that lasts longer.
Set a routine: daily checks while running, weekly inspections, and a deeper service every 100 hours. Catching wear early saves you money and headaches.
Check your oil, fuel, and coolant before and after use. If the levels keep dropping, you'll know something's wrong before it becomes a bigger issue.
Keep your generator in a cool, dry spot. Drain the fuel if you won't be using it for months and cover it to protect seals and hoses.
Stick to the load limits, use the right fuel, and avoid running it flat out in extreme heat. Overworking your generator is a fast track to leaks and breakdowns.
A leaking generator doesn't have to spell disaster, but you need to act quickly. Switch it off, track down the type of leak, and fix what you can. If it's too complex, call in the experts. With regular maintenance and the right care, your generator will stay leak-free and ready whenever you need it.