Common Mistakes RVers Make (That Can Have Serious Consequences)

By Jack Huber

In a previous post, I included products you may have neglected to purchase. Here and in an additional post I will describe pure blunders, whether performed knowingly or not. I would imagine any experienced RVer would have either made some of these mistakes or heard of someone who has. I didn’t prioritize the list in any particular order.  

I didn’t include a common faux pas if it didn’t have potentially serious concerns, so forgetting to store leveling blocks or remove chocks before pulling away, though possibly embarrassing, didn’t make the list, since the worst that would normally happen would be a broken or bent block or chock, and maybe some laughs from observant neighbors.

Mistakes You Can Make

Disable the smoke detector

Most RVers are familiar with the sensitivity of smoke alarms in their rigs, seemingly able to sense the campfire three sites over. Ours would go off every time we cooked, even with the stove vent open and fans blowing in the kitchen. The temptation is to disable the alarm by pulling its batteries, which is what we did.  But, don’t do it.  I have since corrected my mistake since I woke up one morning and found I hadn’t replaced the batteries in the alarm the previous evening.  The smoke alarm is one of the most important safety features in your camper.

Pull onto a soft shoulder

It’s often difficult to tell how soft a shoulder is, whether it’s safe to pull onto it from a highway.  I would suggest you wait until you have pavement to pull onto, since having two or more wheels digging into wet sand or mud can actually pull the unit over on its side.  In the past year we’ve seen this happen on the road three times, so it can definitely happen.

Don’t secure the hitch

This includes fifth wheel hitches, to which I can personally attest. Pulling your truck away with an unsecured hitch connection is a recipe for disaster. In my case, the fifth wheel fell out of the hitch onto my tailgate and bedside, costing about $1,600 to repair.

Leave the black tank valve open

In a previous post I mentioned risking a poop dam when using non-septic-safe TP. This can also happen with any toilet paper if you leave the black tank sewer valve open. Unlike your home toilet that issues plenty of water and pressure to move waste all the way through the system every time you flush, RV black tanks are made to use the tank to store enough fluids to help the emptying process to clean out everything from the tank. Not satisfied with that process alone, we also use an additive to the black tank that helps the waste break down while sitting in the tank.  his can be a very expensive repair, especially if you have a weather-resistant undercarriage.

Leave the galley and/or bathroom gray tank valves open

Similar to the black tank but with fewer solids involved, keeping the gray tank sewer valves open can cause a grime build-up as well, though it can take much longer. Again, the tanks are made to gather fluids and wash into the sewer lines quickly with pressure, and the repairs can be expensive.

Forget to retract the awning, TV antenna, stabilizer jacks or electric steps

Pretty self-explanatory but forgetting to retract these is more common than one would think. A walk-around the rig before leaving helps a wise RVer double-check for these extended accessories.

Forget to disconnect hoses

Like the awning or TV antenna, the damage caused by neglecting to remove and store hoses before pulling out can cost a pretty penny to repair.

Not knowing how tall you are and neglecting clearance 


This has always been a concern of mine.  While hooked up, I climbed the rig and found the highest point on the roof, measured from the top point to the roof, then from the roof at that height down to the ground. Adding the two measurements gave me 13’4.5”, lower than the average tractor-trailer height of 13’6” so I am comforted every time I see a semi on the road I’m driving on. Back east we found ten times more low clearance underpasses and bridges than in the west, but they exist nationwide.  We use a trucker’s site and a variety of mapping tools to determine if there are any height restrictions less than 13’5” and are always watchful. A disaster was averted in Binghamton, NY, when I went around a corner and down a ramp below an overpass only to see the 11’8” clearance sign halfway down.  That would have left a mark.

Not turning wide enough

I often cringe when I’m watching a newbie who apparently doesn’t quite have a handle on their turning clearance.  Most often accidents occur with right-hand turns, hitting sign poles or light standards, or turning in either direction in a gas station, taking out a pump or other vehicle.

Not securing everything in the truck bed

Here’s another lesson I learned the hard way. My wife had bought me a rear toolbox for my pickup. It was made with sheet metal and had the low middle for the fifth wheel kingpin to clear. I intended to bolt it down but ran out of time before travel day and I put it in the bed unsecured. The wind came up and lifted the toolbox under the 5th wheel front and when I turned, it crunched the $350 box into what looked like twisted scrap metal. It also damaged some of the surface of the trailer itself, which needed to be repaired. It could have been much worse.

Skip a gas station when you’re low on fuel

Running out of gas is never fun and can be expensive if you are in the middle of nowhere and have to have a tow truck called.  It’s worse for many diesel-powered vehicles, as it can easily cost $300 or more to have someone prime the engine on-site.

You can view my additional post for even more common mistakes. 

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  1. Mick
    18th May, 2019

    The sidebar link to this entry is incorrect. See 2019/02/25 instead of 2019/04/01

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  2. KatyK
    21st November, 2020

    It’s easy to forget to close your roof vents too.

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