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RV Slide out systems require 12 Volt DC electricity from your RV Batteries to operate so check the voltage of your battery and charge if/as needed BEFORE any troubleshooting.

If there is no response when you operate the slide out switch, check for blown fuse or tripped circuit breaker. It could be in the ‘house’ fuse/breaker panel, around the battery compartment or in the power line at the motor.

There two basic types of RV slide out systems, hydraulic and mechanical.

Hydraulic RV slide out mechanisms use a motor-driven hydraulic pump to actuate a hydraulic ram which pushes out or pulls in the slide out. The direction is controlled by a combination of valves.

In addition to electrical problems outlined above, hydraulic slides can fail due to low hydraulic fluid level, fluid leaks and defective valves.

There are two basic types of mechanical RV slide out systems, screw-jack and rack and pinion.

The screw jack slide out systems generally utilize the same components used in fifth wheel landing gear only placed horizontally.

Rack and Pinion RV Slide Out System

Rack and Pinion RV Slide Out System

Rack and pinion slide out system manufacturers use different configurations but the graphic shows generally how they work.

In addition to electrical problems, mechanical slide out systems will fail due to broken shear pins, gears and clutches.

If the slide out moves slow or jerks when moving, check for binding around the wall and ceiling the slide out passes through. Look for any objects that don’t belong there. Using caution not to cut yourself, run your fingers around the inner and outer seals, between the slide and the RVs wall opening, top and sides. NYJim says he’s seen tree branches and other items… a fishing pole, a wet tightly rolled T-Shirt, beer cans, used fireworks displays, and a “lost” Winegard TV Antenna… lodged between the top of the slide and the opposing wall, causing the whole room to come to a stand-still!

If there is no obvious reason for the binding it’s probably time to contact an RV repair center. It could be the slide out is out of adjustment and needs re-aligned.

Most slide out systems provide a way to manually operate the slide out if problems arise.

For hydraulic systems this usually requires relieving pressure in the hydraulic ram and physically pushing the slide out… ask some friends to help you.

Mechanical slide out systems usually provide a hand crank but you may have to remove the motor first. Make sure you have the the proper crank handle.

Your owners manual should provide the specific procedure for you slide out.  If you don’t have a manual, contact the RV manufacture or slide out component manufacturer for that information.  If that is not possible then it would be worth the expense to have an RV tech show you how to do it.  And you should know how before you need to do it.

Slide out systems require 12 Volt DC electricity from your RV Batteries to operate so check the voltage of your battery and charge if/as needed BEFORE any troubleshooting.

If there is no response when you operate the slide out switch, check for blown fuse or tripped circuit breaker. It could be in the ‘house’ fuse/breaker panel, around the battery compartment or in the power line at the motor.

There two basic types of slide out mechanisms, hydraulic and mechanical.

Hydraulic mechanisms use a motor-driven hydraulic pump to actuate a hydraulic ram which pushes out or pulls in the slide out. The direction is controlled by a combination of valves.

In addition to electrical problems outlined above, hydraulic slides can fail due to low hydraulic fluid level, fluid leaks and defective valves.

There are two basic types of mechanical slide out mechanisms, screw-jack and rack and pinion.

The screw jack systems generally utilize the same components used in fifth wheel landing gear only placed horizontally.,/p>

Rack and pinion system manufacturers use different configurations but the graphic shows generally how they work.

In addition to electrical problems, mechanical slide out systems will fail due to broken shear pins, gears and clutches.

If the slide moves slow or jerks when moving, check for binding around the wall and ceiling the slide out passes through. Look for any objects that don’t belong there. Using caution not to cut yourself, run your fingers around the inner and outer seals, between the slide and the RVs wall opening, top and sides. NYJim says he’s seen tree branches and other items… a fishing pole, a wet tightly rolled T-Shirt, beer cans, used fireworks displays, and a “lost” Winegard TV Antenna… lodged between the top of the slide and the opposing wall, causing the whole room to come to a stand-still!

It’s also possible that a drawer or cabinet door has opened during travel and is lodged in the slide out.  It happened to us!  Always listen for unusual noise and watch for erratic movement whenever you operate your slide outs.

If there is no obvious reason for the binding it’s probably time to contact an RV repair center. It could be the slide out is out of adjustment and needs re-aligned.

Most slide out systems provide a way to manually operate the slide out if problems arise.

For hydraulic systems this usually requires relieving pressure in the hydraulic ram and physically pushing the slide out… ask some friends to help you.

Mechanical slide out systems usually provide a hand crank but you may have to remove the motor first. Make sure you have the the proper crank handle.

Your owners manual should provide the specific procedure for you slide out.  If you don’t have a manual, contact the RV manufacture or slide out component manufacturer for that information.  If that is not possible then it would be worth the expense to have an RV tech show you how to do it.  And you should know how before you need to do it.

53 Responses to “RV Slide Out Operation and Troubleshooting”

  • curtis savoy:

    have problem with keystone tt slideout electrical power—and cant find fuse or breaker for checking.

  • Your best chance is to call Keystone customer service.

  • I have a Catalina Coachmen. The slide will slide in but will not slide out by the electric motor. I can slide it out manually with no problem. Could this be a bad switch? Thanks

  • It certainly could be the switch. If your slideout is hydraulic it could also be the solenoid valve.

  • I have three slide outs and two of them come out but the big one wont come out

  • Carl Thompson:

    We have a Sunnybrook
    5th. wheel trailer. We have striped a gear in the slide out gear box. If we email you some pictures of the gear box, can you ID the manufacture ?
    It is a rack and pinion drive.

    Carl

  • I probably could not identify your particular gearbox but if you email those photos to a good RV repair shop or RV salvage yard they would likely be able to tell you.

    Here’s a link to our directory of RV salvage yard and used parts suppliers.

  • have a 98 damon challenger slide out would only come in. had spare circuit board same thinng. put power direct to motor still nothing pulled motor, {powergear} hooked to bat worked fine.

  • David Ramsay:

    Have a 2006 Heartland Mt. Rushmore, slides move out when going down the road. Have tried numerous things. Out of ideas.

  • Lee Lowder:

    Have a Lance Cabover camper 1181
    2009 or 2010 model. Has a full slide
    on driver side. Slide worked perfectly
    Thu while loading. Arrived at dest
    Thu pm and remote did not
    engage slide. Did engage jacks.
    Was told to use manual system
    by turning switch to manual and
    hand cranking slide out. Worked
    smoothly til about half way out and
    something snapped. we now have
    slide half out and cant retract.
    Need to travel tomorrow. Any suggestions.
    Tks.

  • Ray Hurtubise:

    We have Keystone Residence trailer and we have problems with the slide outs. The trailer itself is level but one slide out is not level. How do I correct this? Is there something I need to adjust to correct this?

  • Leo McDonnell:

    I have 2007 prowler Fifth wheel with a superslide. It is very noisy when it slides in or out? Any suggestions?

  • I would have to have a more detailed description of “very noisy” to give you an answer.

  • Leo McDonnell:

    It sounds like two surfaces scraping together. Maybe metal.

  • If you are looking to fix the problem yourself, you will have to find the cause of the scraping noise.

    Have someone operate the slide while you listen. Go outside and listen. Get under the slide (be carful while the slide is in operation) and listen. If you are able to pinpoint the cause you will know what needs to be repaired and whether or not you can do the job yourself.

    Some slide-out mechanisms require lubrication as part of preventive maintenance. The keyword their is some, the manual for my slide-outs specifically say not to lubricate.

  • Roy Crawford:

    Large slide on 5th only goes 1/2 in or out. Electric
    or manual no difference. Can still hear motor run

  • Curt Biese:

    Hi there. one of our slide out mechanism is damaged andwe need to find another one. any ideas where to get one of these things.

  • If the manufacturer is still in business check with them for parts. A good RV repair shop should be able to get parts or maybe repair your broken parts. Here’s a link to a directory of RV parts salvage companies that may be able to supply the parts you need.

  • RICHARD:

    I AM LOOKING FOR INFORMATION ON A SPORTSMEN 4FZFS2424XSO43801 FIFTH WHEEL RV- HOW DOES THE SLIDE OPERATE AND WHERE IS THE SWITCH. WHAT YEAR IS THIS UNIT – IT WAS GIVEN TO ME

  • Steve:

    I have a 28 ft. 5th. Wheel with a 12 ft. slide. When I put AW 30 oil in the resivor it leaks our of the pump it started out slow and now leaks faster. Other that the oil leaking it works great. Is there a quick fix to seal the pump with out haveing to spend $1200 for a new pump.

  • Clayton Clarke:

    I have a 5th wheel KZ Sportsmen 27 ft with one slide out for dinning and sofa. When I move the slideout in it makes no unusual noises. However, when moved it out it clunks a bit. I have liberaly lubricated it. What do you think is wrong with the slidout system?

  • It could be several things but I don’t have enough information. Your bets chance of finding out what’s wrong is to try and isolate where the clunks are coming from. Have someone operate the slide while you listen. Go outside to listen if you hear the clunks better.

  • Todd:

    I have a hydraulic slide. The slide goes out fine, but when I bring it in, the slide continues to come in even after I let go of the switch. It does not happen every time. Loose wire, bad switch, something else?

  • Bad switch would be a guess but it really could be anything. Only a systematic diagnostic process will find the source of the problem.

  • Jerry:

    I have a 1955 Rainbow 12′ (Canned Han) travel trailer which I am restoring. I would like to add a slide out if possible. Can you recommend lightweight slide out componants/system or a custom manufacturer?

  • Do a Google search for ‘aftermarket slide out’ and Custom slide out’ to find companies who do that.

    Here are a cuple I found:
    http://www.morrisonsvipcoach.com
    http://www.buscustomer.com/slide_out_units.htm

    You may be able to get a salvaged slide out mecanisum fairly cheap. I would recommend a mechanical rack & pinion type rather than hydraulic.

    realize you will no doubt have to beef up the frame which will add additional weight which may require a new axle with a higher load rating.

    A slide out would be nice, I’m not sure, but a tip out may be easier to install in such a small trailer.

  • Bruce:

    I have a 2002 sunny brook 5th wheel. I’m trying to get the bedroom slide motor and drive box out can’t find away to get at motor end. looks like i have to cut plywood to get it out.

  • You may want to contact Sunny Brook customer support before you go cutting plywood.

  • Gary:

    I have a 2005 Sanpiper fifth wheel. I have not let out the three slides for two years. I hit the switch, I hear the motor but the slides do not come out. Will the pump work even if the battery is low but the pump runs?

  • It could be low voltage, low or no hydraulic fluid, or a stuck valve or relay.

  • Eddie:

    I have a 2005 30′ Cardindal with three slides. One of the big slides comes out crooked, or one side of it gets ahead of the other. Have to jockey with it to get it back in straight. Any ideas?

  • tom:

    I have a 2005 prowler 32 when the slide-out is all the way out it needs a push to get it started in. could it need adjustment? looks like the rear of the slide (closest to the back of the trailer) is a little high.

  • DW:

    Have a 2004 Winnebago Journey. Slide comes in but after sitting a while the bottom slides back out. It can move out about 8-10″ and stays there until we pull it back in. Any thoughts on what problem might be?

  • Contact Winnebago customer support… they are very good at helping owners with problems like this.

  • Roy Ward:

    One side of the slide out is lower that the trailer floor inside. It’s a tract system with gears. It has up and down adjustments underneath that would raise and lower the back side of the slideout. Question I have is what supports the inside edge as the slide moves in over the trailer floor.

  • My Sprinter slide out will slide in, but will not slide out. It only makes a “click” noise at the “Trombetta”, and a click is heard somewhere back around the refrigerator somewhere. It will run the motor if the “In” button is pressed, but will not run the motor if the “Out” button is pressed, except once every hundred or so clicks. The switch is OK and jumpering it does not help… All contacts have been cleaned and di-electric greased. Any other suggestions?

  • Tim:

    I have a 99 national seaview my slide went out just fine but will not go back in and the motor makes a lot of noise

  • Karen Chapman:

    Good Morning,

    Have a 2005 Challenger motor home with 3 slide-outs. Was bringing in the main living room slide yesterday, slide came in a little bit, but began jerking and wouldn’t move inwards anymore. Moved it back out the 8 inches it came in,without any problem, and tried bringing it back in again…..only to have the same jerking that happened earlier. It goes out without any problem, yet won’t come in without jerking and stopping at a certain point. Suppose to leave for Nascar races in few days. HELP!
    Karen

  • Mel Smith:

    I have a 1992 Hitchhiker with a hydralic system for the large slide and it won’t return. The Hudralic pump is hard to get to and I don’t know how much oil is supposed to be in the pump but it is about half full. The adjustment on the valves, how do you do this and what happens if you do something wrong, I would assume that the pump would only put out so much pressure. I re4placed a portion of the floor but I made sure that the splice was inside the metal slide part at the bottom. Any input is appreciated. Thyanks Mel

  • Rand:

    Gosh Steven…you’re indefatigable!
    My story is that i have a 1993 Alfa SeeYa 37′ with Bedroom & Living Rooms electric slides. Last time I wanted to roll out the LR, it hung and tripped out the over-limit…no problem I thought…there’s got to be a manual solution. Outside I found a single bolet-head in the middle and figured AHA – that’s it! But after 10-12 turns I was holding the bolt in my hand and the slide was disconnected from the drive mechanism…GREAT! Well the upside is that now I could get some muscle and mmove the slide out for ur quasi-permanenet weekend getaway but the downside is that now it’s time to move on and I can’t get the slide mechanism to jack in or out…just spins merrily clockwise or counter-clockwise depending on the switch alternation…what or?! Got underneath and tried holding the inner (spinning) shaft thinking it must be intended to be stationary in order for the screw to drive it in or out…just drops out on over-current! How are these things supposed to work? Can’t get the bolt back in in this situation (slide is out and the driver is inand I don’t have the muscle around to push it back in manually)…What to do?!

  • larry:

    2006 four winds magellan.My bedroom slide after a couple days starts to move out.what can I do.

  • Byne DeLorto:

    We have a 37ft Montana with 3 pop outs. One of them will not seal all the way and leaves quit a big gap. We live in it in snow country and have a Local Rv Repair guy comming to look at it but he does not know much about the slide outs. Could it be out of ajustment and if that might be the problem how can it be ajusted.

  • I’m assuming your slide outs are hydraulically operated. If so, you may have a leak in a hydraulic hose or valve. In the past, and maybe still today, RVs with hydraulic slide outs came with slide out bars that are inserted between the RV wall and the flange on the slide out. They are primarily used while traveling to prevent the slide outs from extending while on the road but may be used anytime.

  • Unless your RV has some type of structural problem then, yes, it is most likely the slide out mechanism is out of alignment. There are a handful of different slide out systems so it’s impossible to give you specific advice even if I was an expert, which I am not. My advice it to hire an RV tech who does know about slide outs. You may also want to contact the manufacturer for advice if possible.

  • Tim:

    I have a 1997 Jayco 5th wheel. The big slideout has a 1″X 6″ wood border along the inside top and sides and when it is out one corner is pushed out about a 1/4″. It is rack and pinion. When it is moved to the out position the bottom of the slideout stops but the top continues to move. When I move it in the bottom moves first and I have to literally pull on the top before it will move on it’s own. It has me very puzzled. Any idea’s would be welcomed.

  • Robin:

    I have a 2003 Outback and the slide out won’t slide out and we keep blowing fuses. It was working fine about 45 minutes before we tried to open it again. Any help would be great!!

  • It would seem that you have a short in the slide-out circuit… basically two circuits, one for in and one for out. Or it could be something has jammed and when you try to send the slide out it is putting too much load on the motor. Two possibilities to look for.

  • From your description your slide out seems to be out of adjustment. You really need to get this fixed before the problem gets worse. A repair that could be simple and relatively cheap could turn into a several thousand dollar problem if left to get worse.

  • Good Evening, I had to leave my 06 Montana (3500 R L) 5th Wheel up in the park today because the center slide wouldn’t retract. It attempts to move, but appears to hang on the opposite side of the slide from the hydraulic piston. It extended without a problem when I arrived on Monday. Any suggestions. A friend in the park did call a tech and he asked me to close the valves (4) and open them one at a time and see if that would allow the slides to retract, I followed his advice and it allowed me to retract the two opposing living room slides, but didn’t help with the dinning room slide.

  • Rita crawford:

    Just getting into RVing and bought an older no slide RV. I have reservations about slides from maintenance viewpoint. However, it occurred to me that if someone would make a narrower RV, I could feel more comfortable driving it. And use slides to give back space. Any chances of such an RV?

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