RV Hydraulic Jack Service in Sebastian
Jacks leaking, slow, or stuck? We service HWH and Lippert hydraulic leveling systems on-site. Fluid checks, seal replacement, pump motor repair, and control panel diagnostics. $200 to $900.
The Short Version
- We service HWH, Lippert, and all major hydraulic leveling systems on-site
- Annual hydraulic fluid checks prevent 80 percent of leveling system failures
- Florida's sandy soil requires proper jack pad use to prevent sinking and damage
- Cylinder seal replacement costs $200 to $350 vs. $350 to $600 for a full cylinder
- Every system has a manual retract override for emergencies at the campground
Hydraulic Leveling Systems in Florida
Hydraulic leveling jacks are the heavy-duty option found on most Class A motorhomes, large fifth wheels, and higher-end travel trailers. They use hydraulic fluid under pressure to extend and retract 4 to 6 jacks that lift and level the RV. The system consists of a hydraulic pump, a fluid reservoir, control valves, hydraulic lines, and the jack cylinders themselves. When everything works, you press a button and the system levels your RV in 30 to 60 seconds. When something fails, you're stuck with an unlevel RV or, worse, jacks that won't retract for travel.
HWH vs. Lippert Hydraulic Systems
HWH (Hydraulic Work Horse) has been building RV leveling systems since the 1960s and is found on many Class A motorhomes and luxury fifth wheels. HWH systems are known for reliability and smooth operation, but they use proprietary components that can be more expensive to replace. Lippert Components makes the Ground Control and Level Up systems found on newer RVs across all classes. Lippert parts are generally more available and less expensive. Both systems work on the same hydraulic principles, but the control panels, valve configurations, and diagnostic procedures are different.
Patrick has worked on both brands for over 10 years and carries diagnostic tools and common replacement parts for each. Whether your RV has an HWH system from 2005 or a Lippert Level Up from 2024, we can diagnose and repair it on-site.
Fluid Level Checks and Maintenance
Hydraulic fluid is the lifeblood of your leveling system. Low fluid is the number one cause of hydraulic jack failures, and it's the easiest problem to prevent. The fluid reservoir has a fill line that you should check at least every 3 months. If the level is below the line, top it off with the correct fluid (usually Dexron III ATF for HWH systems). Over time, hydraulic fluid absorbs moisture from the atmosphere. In Indian River County's 80 to 90 percent humidity, this happens faster than in drier climates. Moisture-contaminated fluid causes internal corrosion in the pump, valves, and cylinder walls. That's why we recommend a complete fluid flush and replacement every 3 to 5 years.
Cylinder Seal Replacement
The hydraulic jack cylinders extend and retract through seals that keep the fluid contained under pressure. These seals wear over time and eventually start leaking. You'll notice a small puddle of reddish fluid under the jack or see fluid weeping around the chrome cylinder shaft. A leaking seal reduces system pressure, causes sluggish operation, and can eventually lead to a complete inability to extend or retract the affected jack. Seal replacement runs $200 to $350 per cylinder and takes 1 to 2 hours. It's much cheaper than replacing the entire cylinder at $350 to $600.
Pump Motor Issues
The hydraulic pump motor is what generates pressure in the system. It's an electric motor that drives a hydraulic pump, and it draws significant current (30 to 50 amps) when operating. Common pump motor failures include worn brushes, overheating from extended run times, and corroded electrical connections. In Florida's heat, pump motors can overheat more quickly if they're struggling against sticky valves or low fluid. If your pump runs but the jacks move slowly, the pump may be losing efficiency. If it clicks but doesn't run, it's usually an electrical issue. A pump motor replacement runs $300 to $600 depending on the system.
Florida Sandy Soil Considerations
Indian River County's sandy soil presents a unique challenge for hydraulic leveling systems. Jack pads that work fine on concrete or hard-packed gravel sink into sand, which means the system has to extend further, use more fluid, and work harder to level the RV. Worse, if a jack pad sinks unevenly, it puts lateral force on the cylinder that it wasn't designed to handle, leading to accelerated seal wear and potential cylinder damage.
We recommend using oversized jack pads (at least 12x12 inches) or interlocking leveling blocks underneath your hydraulic jacks whenever you're parked on soft ground. The larger surface area distributes the weight and prevents sinking. It's a $30 to $50 investment that can save you hundreds in premature seal and cylinder replacement.
Annual Maintenance Schedule
A proper annual hydraulic system service includes checking and topping off fluid, inspecting all 4 to 6 cylinders for seal leaks, testing the pump motor's current draw and runtime, verifying control panel operation and error codes, lubricating all pivot points and jack pad attachments, and cycling the system through a full extend and retract while watching for uneven or sluggish movement. This service takes about 1 to 2 hours and costs $200 to $300. It catches small problems before they become big failures. Call us at 772-238-8487 to schedule yours.
RV Hydraulic Jack Service FAQ
The most common causes are low hydraulic fluid, a failed pump motor, a stuck control valve, or a blown fuse in the leveling circuit. Start by checking the fluid reservoir. If it's low, that's likely your problem because the pump can't build enough pressure to retract the jacks without adequate fluid. If the fluid level is fine, check the fuse box for a blown fuse. If both check out, call us because it's likely a pump motor, control valve, or wiring issue that needs professional diagnostics. We can usually get to you same-day in Sebastian and Indian River County.
We recommend a full hydraulic system check every 12 months. This includes checking fluid level and condition, inspecting all cylinder seals for leaks, testing the pump motor, verifying all jack pads and pins, and cycling the system through a full extend and retract while watching for sluggish or uneven movement. Every 3 to 5 years, the hydraulic fluid should be completely flushed and replaced because it absorbs moisture over time, especially in Florida's humidity, and contaminated fluid causes internal corrosion and reduced system performance.
Most RV hydraulic leveling systems use Dexron III automatic transmission fluid (ATF) or a manufacturer-specific hydraulic fluid. HWH systems typically use Dexron III. Lippert systems may specify their own branded fluid. Check your owner's manual for the exact specification because using the wrong fluid can damage seals and void warranties. Never mix fluid types. If you're unsure, we carry the correct fluid for all major systems and can top off or flush your system during a service call.
A single hydraulic jack cylinder replacement runs $350 to $600 depending on the system brand and cylinder size. That includes the cylinder, seals, fluid, and labor. If just the seals need replacement (which is more common), expect $200 to $350 per cylinder. Most RVs have 4 to 6 hydraulic jacks, but it's rare to need all of them replaced at once. If one cylinder is leaking, we recommend inspecting the others during the same visit because they're the same age and exposed to the same conditions.
Warning signs include jacks extending or retracting slowly, the pump motor running longer than normal to level the RV, visible hydraulic fluid leaks under the RV (usually reddish fluid), the system not holding level position (the RV gradually settles after leveling), unusual whining or grinding noises from the pump, and error codes on the control panel. If you notice any of these, get the system checked before a complete failure leaves you unable to retract the jacks at a campground.
Yes. Most hydraulic leveling systems have a manual bypass valve, usually located near the pump assembly under the RV. Opening this valve releases hydraulic pressure and allows the jacks to retract under the weight of the RV. On HWH systems, there's typically a red-handled valve. Lippert systems often have a manual release knob on each jack. Check your owner's manual for the exact location and procedure. If you're stuck at a campsite in Indian River County, call us and we'll walk you through it or come out to help.