Your RV Slide-Out Won't Retract. Now What?

Checkout is at eleven. You hit the switch, the slide grinds an inch, and stops. You hit it again and now it does not move at all. Everything else in the rig works fine, and there is a two-foot-wide room hanging off the side of your motorhome.

It is a bad morning, but it is a solvable one, and the cause is usually a lot less dramatic than it feels.

First rule: do not drive with it out

Not to the dump station. Not to the next exit. Not two miles down the road at 20 miles per hour with the flashers on.

A slide-out room sticking into the traffic lane will hit something, and the mechanism is not built to take a road load. It is designed to move a room slowly across a floor, not to carry that room while it bounces down a highway. Driving with it out can tear the slide off the wall, tear the wall itself, or take the side out of a passing car.

If you cannot get it in, it gets secured and strapped before the rig moves, or it gets fixed where it sits.

The most common cause is voltage

Slide motors pull a lot of current, far more than lights or the water pump. A house battery bank that seems perfectly fine for running lights all evening can be too weak to move a slide, and the controller will simply stall or refuse.

So before you go looking for a broken part:

1. 1Plug into shore power, start the generator, or start the engine on a motorhome. Give the system a real power source.
2. 2Wait a few minutes so the converter can bring the batteries up.
3. 3Try the slide again.

A surprising share of slide failures cure themselves right there. Batteries that are old, sulfated from sitting, or have one bad cell will sag under a slide motor's load even while showing decent resting voltage. Same story with a corroded battery terminal. The motor is fine. It is just not being fed.

Know which kind of slide you have

There are three broad types and they fail differently. Figure out which one you own on a calm afternoon rather than in a panic.

• Electric rack-and-pinion, the through-frame kind. A motor turns a shaft under the floor with gears that walk the room in and out on steel racks. Fails at the motor, the gearbox, or a shear pin.
• In-wall electric, where drive gears run in vertical tracks in the walls of the slide opening. Common on lighter rigs. There is a motor on each side, and the signature failure is the two sides getting out of sync, which racks the room in the opening and jams it. Most have a resync procedure.
• Hydraulic. A pump and cylinders push the room, usually on larger coaches and big fifth-wheels. Fails at the pump, a solenoid valve, low fluid, or a leaking cylinder.

What you can check in ten minutes

• Fuses. There is usually a large fuse or breaker dedicated to the slide, often in the 12-volt panel or in a bay near the pump.
• The room lock or travel lock. Some rigs have a physical latch or bar that must be released before the room can move, and it is easy to forget one exists.
• Obstructions inside. A recliner that rolled, a drawer that came open, a rug bunched under the leading edge of the floor.
• The rails and tracks. Dirt, gravel, mud dauber nests, and road salt build up and bind everything, especially on a rig that sat for a season.
• The seals. A dry, sticky, or torn wiper seal can grab the room. Silicone spray on the seals is a legitimate fix and good maintenance anyway.
• On a hydraulic slide, the fluid level in the pump reservoir, and a look under the rig for a puddle.

The manual override exists. Find it now, not later

Every slide-out has a way to bring the room in without power. Every single one. The problem is that almost nobody knows where theirs is until the morning they need it, and by then the campground office wants them gone.

On a rack-and-pinion slide, there is usually a hex or square drive on the end of the motor shaft, reachable from underneath or from a bay, and you crank it with a drill or a ratchet. On an in-wall slide there is typically a release procedure that lets the room be pushed in by hand, which is genuinely a two-person shove. On a hydraulic slide, there are bypass valves on the pump that dump the fluid so the room can be pushed in.

Go look right now. Find the override for your rig, find the tool it needs, and put that tool somewhere you will remember.

What not to do

Do not keep mashing the switch on a slide that is stalled or grinding. That is how a stripped gear becomes a stripped gear plus a cooked motor plus a torn seal plus a racked room. If it stalls, stop and find out why.

Do not pry the room in with a bottle jack, a pry bar, or a strap and a truck. The slide floor and walls are not structural in that direction and you will fold something. Do not cut the seals for clearance. And do not run a slide with a topper awning full of rainwater, because that weight lands right on the leading edge of the room.

Getting off the road with a slide strapped in

If a slide truly cannot be retracted, it can sometimes be pushed in manually and secured so the rig can move safely, or the mechanism can be repaired in place. Which one applies depends on the type of slide, what failed, and whether the room is racked in the opening. That is a judgment call worth making with somebody who has done it before, because a slide strapped wrong will move on the highway.

James and the crew at Duckett Roadside Repair handle RV and camper repairs on site, which for a stuck slide is the only place it can really be handled. Campground, rest area, parking lot, or shoulder, anywhere from Milton and Pace through Pensacola, Gulf Breeze, Navarre, or out along I-10, call (850) 495-0366. Dispatch is answered 24 hours a day, seven days a week.