Monday, October 3, 2022


RVs and WD-40: Unusual combinations that work!

By Russ and Tiña De Maris
Seems like every RV has at least a can or two of WD-40 for lubricating various parts. But there’s more use for WD-40 than just the occasional thread loosening. Here are a few tips that may make for slicker RV trips.

Base photo: Mike Mozart on

Galley and household tricks

Why on earth do RV manufacturers use light-colored carpets in RVs? Maybe they’re in cahoots with the carpet cleaning industry. But if you have ink or other hard-to-lift stains in the carpet, here’s something to try: Hit the stain with a squirt of WD-40, let it stand for a couple of minutes, then use a sponge and warm soapy water to work over the stain. You may need to repeat a few times.

When we put our new RV vinyl floor in, we hadn’t even got our first road trip in when “you know who” left those nasty old heel scuff marks on the new floor. Too bad we didn’t know about the quick removal tip of shooting them with WD-40 and buffing them with a rag. Use plenty of ventilation if there’s a lot to remove.

If the stuck-on food in the RV fridge won’t come loose, then shoot it. Not the refrigerator – the stuck food – with WD-40. Wipe out the remains with a rag or cleaning sponge. Take after the area with soap and water before reloading the chiller with food.

Rattling down the road, it’s easy for “nested” glasses to get stuck together in an almost death-embrace. Don’t smack those glasses, squirt WD-40 around the rim of the stuck glassware, wait a few moments, and gently unstick ’em. And unless you’re the Tin Man of Oz, be sure to wash the glassware before taking a drink.

Does your barbecue need a resurrection? With time, grills can look like “death and Hades.” With a COLD, NOT LIT UP barbecue, shoot the grids down, wait, scrub with a wire brush.

Working around outside the rig

Rig license plate looking a tad rusty? Spray with WD-40 and wipe away with a rag. Small amounts of rust will come free, and new rust will be discouraged from settling in. Too bad it doesn’t wipe out the high cost of license tab renewals!

Got stickers stuck on your bumper or elsewhere on your rig where you don’t want ’em? Phaser-blast the offending “cling-ons” with WD-40, let ’em sit for a minute, then wipe them off. Really hard ones may require more than one application and a gentle nudge with a plastic scraper.

Did your RV come from the dealer lot loaded with window stickers? Don’t scratch the glass – or the UV blocking film. Shoot the offenders, wait, then use a plastic scraper to remove.

Bug splats on the grill of your tow vehicle or the end cap of your rig will come off easier if you “pretreat” the areas with WD-40. Newly smooshed bugs may slide off on their own, or be convinced to come free a whole lot easier than without treatment.

Mechanical tricks

Greasy hands but no hand cleaner? Shoot a bit of WD-40 on your hands, rub together, then wipe off with a rag or paper towels. Follow up with water and soap.

Got a stuck spark plug in the generator or tow vehicle engine? A shot of WD-40 near the threads, allowed to soak in, will often loosen a stuck plug.

Rainy day hard-start problems? Sometimes humidity can creep into ignition wires. Spray WD-40 on the plug wires and try starting again. WD-40 can displace the unwanted moisture, helping the free flow of healthy electrons.

Did your motorhome or tow vehicle do a “doo-doo” on your concrete driveway? Shoot oil or tranny fluid drips copiously with WD-40, brush with a stiff brush, then shoot the whole mess with a high-pressure stream from a garden hose.

Use a bed liner on your pick-em-up truck? Before you slide in that bed liner, spray the bed thoroughly with WD-40. When you need to pull the bed liner back out, it’ll come out much more easily.

And others you never would’ve thought of

Got your fingers stuck in the glue? Grab the WD-40 and shoot a bit on your stuck pinkies, rub them against one another until they’re freed up. It’ll take glue off other places where you don’t want it, too. Shoot a little on a rag and rub away.

As RVers, all of us are soooo careful about cleaning up after Rover, right? Well, sometimes the neighbors don’t read the memo, and hey! You’ve got something on your shoe you don’t want there. If your tennis shoes get doo-dooed, spray with WD-40, and use the dog owner’s tooth brush (kidding!) to clean the crevices. Rinse off under the tap and let ’em dry.

Get too close to another car and now you’re “mixing paint”? A paint rub from another vehicle can often be removed by shooting it with WD-40, letting it sit for a half-minute, then buffing down with a clean rag.

Got bugs? If you don’t have a can of Raid available, shoot those bugs directly with WD-40. If the critters insist on returning despite this warning, shoot a little around screen and door frames, but NOT if there are little ones or babies around!

Editor: Here’s a link if you want to stock up on WD-40 from Amazon. (Did you know it’s available from pen-size to gallon-size?)



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Donald Fleming
7 months ago

If your head lights are foggy spray with Wd 40 and wipe off with a rag. Amazing

7 months ago

I enjoy reading your post, you keep them informative with humor. Thanks

John Johnston
7 months ago

WD-40 means the 40th try they succeeded in making the Water Disperser.

7 months ago

Good starting fluid and lubricates the top end of the engine, ether drys everything out. But check with the manufacturer before using any type of starting fluid. I sometimes have to use it on my diesel tractor after it sits over the winter

Gary Johnson
7 months ago

The anode rod in your water heater is always troublesome. I shoot a good amount of WD 40 on it and let it do its work once or twice. The rod comes out with ease. But beware! Always let your water heater cool down, shut off your supply and drain the heater before. And DON’T stand in front of the rod while loosening it. The rod, water and sediment can shoot out 15’. As they say: “Don’t ask me how I know”!

7 months ago

I would never use wd on a grill. I used it on my tools and tried to clean it off so they wouldn’t stink of the smell. YEARS later my tools still stink of the smell of WD-40.

7 months ago

And never, never use it on your rubber roof roof to remove pine tar or black spots!!!
The petroleum in WD-40 will destroy the roof.

Bill Maginot
7 months ago

Great for removing tar from RV or car. Spray a little on the tar and let stand a couple of minutes and wipe off.

7 months ago

There is a lot of things WD-40 will do I always carried a can in my RV and keep a can in my home but the truth is everything WD-40 does there is a product that will do it better. There are better cleaners, better, lubricant and better penetrating oil‘s. But the other better products only do one thing each. For a all round carry one can not several WD-40 is the best to carry. You can carry one can instead of several. That is why a professional shop never uses WD-40.

7 months ago
Reply to  Terry

Well said Terry! WD40 is not the best at anything.

Haven’t owned a can of WD40 in more than 20 years.