PALOMINO PUMA 25RLSS – Slide-Out Motor Replacement

“Drew, my slide won’t budge anymore — it was grinding for weeks, I ignored it, and now the motor’s completely dead. Do I just swap in a new motor and call it fixed?” That’s the question that lands in my inbox about twice a month, and it’s the one that tells me someone’s about to waste money on a part that’ll fail the same way the first one did. On the Palomino Puma 25RLSS, a slide-out motor that quits isn’t a standalone failure — it’s the end result of a chain of problems that started somewhere else. Usually it’s a rack that’s been running without lubrication, a slide channel packed with dirt, or months of fighting a mechanical bind that nobody addressed. Replace just the motor and you’re looking at a repeat failure. Fix what actually killed the first one, and you’ve got a system that’ll work for years. That’s the difference between a repair that sticks and a repair that bleeds you dry with comebacks.

The Lippert Schwintek Motor That Won’t Burn Out Again

The 236575 IG-42 is the direct OEM replacement for Lippert in-wall slide systems on the Puma 25RLSS, and it’s engineered with the gear ratio and torque curve that prevents the rack from binding and keeps the motor from overheating on partial-extension cycles. By the time your original motor has quit, internal corrosion and resistive buildup have already started their damage — this unit is spec’d to push through the same workload without the electrical stress that burned out the stock version.

Parts and Tools

• Replacement IG-42 slide-out motor with 300:1 gear ratio matched to Lippert Schwintek in-wall systems — check current price
• Lithium-based grease rated for RV slide mechanisms and metal-on-metal contact
• Wire brush or soft brass brush for cleaning slide channels and rack teeth
• Electrical connector kit or replacement connectors if existing ones show corrosion or pitting
• Socket set and screwdrivers for motor mounting bolts and control panel access
• Multimeter to test 12V DC power at motor connectors before and after installation

Step-by-Step Instructions

Step 1: Kill power to the slide system at the battery disconnect

Locate your main battery disconnect switch and flip it to the OFF position. The slide motor runs on 12V DC from your house battery, and you need zero voltage at the motor connectors before touching anything. Wait 30 seconds after disconnect, then use a multimeter to confirm no voltage is present at the motor terminals. This prevents accidental motor engagement while you’re working and protects you from electrical shock if a wire is damaged.

Step 2: Photograph the motor connectors and document the wiring

Before disconnecting anything, take a clear photo of how the wires attach to the motor terminals—which wire goes where matters. Note the color of each wire and its terminal position. On the Puma 25RLSS, the motor typically has two main power connectors and a ground. If you mix these up during reinstall, the motor will either not run or run in reverse. A photo takes 10 seconds and saves you an hour of troubleshooting.

Step 3: Access the motor by removing the interior wall panel

The motor sits inside the wall cavity behind the slide mechanism. On the Puma 25RLSS, you’ll access it from inside the RV by removing the trim panel or cabinet face that covers the slide-out wall. This is usually held by screws or clips—check both the top and bottom edges. Once the panel is off, you’ll see the motor mounted to the slide frame. Take a second photo showing the motor’s position and how the mounting bolts sit, so you know exactly where it goes back.

Step 4: Inspect the slide rack and channel for damage before removing the motor

Before you pull the motor, look at the metal rack teeth that the motor gear engages. If they’re stripped, bent, or heavily corroded, a new motor alone won’t fix the problem—the rack will chew up the new motor’s gears the same way. Clean the channel with a wire brush to see the actual condition. If the rack is damaged, you’re looking at a bigger repair. If it’s just dirty or dry, cleaning and lubricating it now prevents the new motor from failing early.

Step 5: Disconnect the motor wires and remove the old motor

Disconnect the two power connectors from the motor terminals by gently pulling the connector bodies—not the wires. If the connectors are corroded or pitted, note this; you may need new connectors on the new motor. Unbolt the motor from the slide frame using your socket set—typically two or three bolts. Slide the motor out carefully, keeping track of any spacers or washers that sit between the motor and frame. These go back in the same spots on the new motor.

Step 6: Clean the slide rack and channel, then apply fresh grease

With the motor out, use your wire brush to scrub the metal rack teeth and the channel walls to remove dirt, old grease, and corrosion. Wipe everything clean with a dry cloth. Apply lithium-based grease rated for RV slides to the entire length of the rack and channel—this is the step that actually prevents the new motor from burning out. A motor fails when it has to fight a dry, binding rack. Proper lubrication means the new motor runs cool and lasts years.

Step 7: Install the new motor and reconnect the wiring

Position the new IG-42 motor in the same location as the old one, using your reference photo. Install any spacers or washers in their original positions, then bolt the motor down snugly—don’t over-torque. Reconnect the power wires to the motor terminals exactly as they were in your photo: correct wire to correct terminal. Double-check the connections are seated fully and won’t pull loose during operation.

Step 8: Test the motor and verify smooth operation before closing up

Turn the battery disconnect back ON. Use the slide control to extend and retract the slide fully, listening for smooth operation without grinding or binding. The motor should run quietly and pull the slide smoothly through its full range. If it hesitates, binds, or makes noise, stop immediately and check that the rack is clean and well-lubricated, and that all wires are connected correctly. Once it runs smoothly through three full cycles, reinstall the interior panel and you’re done.

What works

• 300:1 gear ratio pulls the load smoothly without the motor straining on slides that have stiffened — you feel the difference immediately once the slide cycles with real power instead of that grinding whine.
• 12V assembly arrives with the right connector type and mounting brackets already fitted for in-wall configurations — no scrambling for adapters, no guessing whether the pins line up.
• Built to handle continuous full-stroke cycles without the thermal cutout that plagued the factory motor — keeps its cool because it’s not fighting a worn-out rack.

What doesn’t

• Getting to it means pulling interior wall trim or accessing it from underneath — the layout varies, but either way this is a two-to-four-hour job, not a plug-and-play situation.
• Once the rack and pinion have been scored or the slide channel’s caked with grime, this motor will just work harder and wear out faster — you’ve got to clean and inspect the mechanical side before you install the new one.

I almost sent this motor back on my first flip because the slide was still sticking until I realized the problem wasn’t the motor at all—it was eighteen months of road grime in the channel. Once I cleaned the rack and re-lubricated, the 236575 did exactly what it was supposed to do. Get the 236575, RV in-Wall Slide-Out Motor Compatible with Lippert Schwintek in-Wall Slide System, IG-42 10mm motor Assembly, Slide Motor for Travel Trailer and Camper | 300:1 High Torque Gear Ratio, 12V but budget time for the full system inspection.