Shop PolicyWe service most motorhomes, fifth wheels, travel trailers, toy haulers, and truck campers.We DO NOT service tent trailers or pop-up campers.
Mon–Fri: 8:00 AM – 5:00 PM
Javi's RV Service Center
Shop-Based RV Repairs • Lancaster, CA

Comprehensive Systems Service for RVs

From rooftop leak resealing and Lithium solar packages to Onan generator rebuilds and A/C diagnostics, our Lancaster shop facility has the space and specialized tooling required for your RV.

General RV Repair

Our Lancaster facility offers comprehensive mechanical and interior diagnostics for RVs. Whether you are dealing with slide-out jams, hydraulic leveling problems, cabinet/hardware issues, or general wear and tear, our shop environment has the tools and room required to service your RV properly.

Key Service Highlights:
Diagnostic scanning for complex vehicle systems
Full slide-out room seals and motor troubleshooting
Leveling jack system repair and fluid flushes
Interior structural and fixture repairs

RV Roof Repair & Sealing

The harsh Antelope Valley sun and desert heat rapidly degrade RV roof sealants. Water leaks can silently rot wood frames and ruin interior ceilings. We perform complete lap-sealant renewal, TPO/EPDM membrane repairs, vent replacement, and total roof coating to ensure your coach remains 100% watertight.

Key Service Highlights:
Detailed 21-point roof leak and seam inspection
Complete removal of cracked, brittle factory Dicor/sealants
Commercial grade UV-resistant sealant application
Skylight, vent fan, and rooftop AC gasket replacement

RV Electrical Repair (12V & 120V)

RV electrical systems combine 12V DC battery power with 120V AC shore/generator power. Our certified technicians troubleshoot dead outlets, blown fuses, failing converter chargers, Lithium/AGM battery bank upgrades, and flickering lights.

Key Service Highlights:
12V & 120V dual-system circuit isolation testing
Converter/Inverter testing and high-efficiency replacement
Deep cycle AGM & Lithium-ion battery installations
Shore power transfer switch & surge protection diagnostics

RV Generator Repair

An RV generator is essential for off-grid boondocking and keeping air conditioners running while traveling. We service Cummins Onan, Generac, and portable RV generators—handling carburetor cleanings, oil & filter service, spark plugs, voltage regulators, and fuel pump replacements.

Key Service Highlights:
Full carburetor cleaning and varnish removal
Fuel pump, filter, and oil replacement service
Stator, rotor, and voltage regulator testing
Full load-bank operational testing before vehicle pickup

RV Air Conditioner Service

Lancaster summer temperatures routinely exceed 100°F. When your rooftop Dometic, Coleman-Mach, or Furrion AC stops blowing cold, our shop quickly diagnoses start capacitors, fan motors, control boards, duct airflow obstructions, and thermostat wiring.

Key Service Highlights:
Evaporator & condenser coil high-pressure cleaning
Hard-start capacitor kit installation for generator use
Gasket seal inspection to prevent cabin roof leaks
New high-efficiency rooftop AC unit installations

RV Appliance Repair

Recreational vehicle appliances operate on propane, 12V, or 120V power. We repair and replace RV refrigerators (Norcold, Dometic), Suburban & Atwood propane furnaces, water heaters, and cooktops so your home-on-the-road feels like home.

Key Service Highlights:
Propane burner tube cleaning and igniter adjustment
Absorption cooling unit replacement & 12V fridge conversions
Water heater anode rod replacement & tank flushing
Furnace sail switch & control board troubleshooting

RV Plumbing & Tank Repair

Leaking PEX lines or cracked holding tanks can ruin subfloors fast. We service water pressure regulators, 12V water pumps, toilet seals & valves, dump gate valves for fresh, gray, and black water tanks, as well as winterizing and sanitizing water systems.

Key Service Highlights:
PEX line pressure testing and leak detection
12V water pump replacement with silent mounting vibration pads
Black & gray water gate valve replacement
RV toilet flange, flush ball seal, and bowl replacement

RV Solar Systems & Off-Grid Power

Power your Antelope Valley desert camping trips without generator noise. We design and install complete off-grid solar packages using rigid or flexible panels, Victron or Renogy MPPT charge controllers, LiFePO4 batteries, and heavy-gauge wiring.

Key Service Highlights:
Custom solar watt calculation tailored to your RV appliances
High-efficiency MPPT charge controller wiring
Lithium (LiFePO4) battery bank conversions with BMS
Pure sine wave inverter installations for microwave/AC power

Preventive RV Maintenance

Don't let a preventable breakdown spoil your vacation. Our preventive maintenance packages include wheel bearing packing, electric/hydraulic brake inspections, slide-out lubrication, LP gas leak testing, and full multi-point safety evaluations.

Key Service Highlights:
Annual trailer axle wheel bearing cleaning & repacking
Propane system drop-pressure safety inspection
Slide-out rubber seal condition treatment
Comprehensive pre-season & pre-trip 45-point inspection

Before Scheduling Your Service Appointment

We service most Class A, B, C motorhomes, fifth wheels, travel trailers, toy haulers, and truck campers. Tent trailers & pop-up campers are NOT serviced.

Call Shop: (661) 942-2492
Shop Open Mon–Fri8:00 AM – 5:00 PM
Call (661) 942-2492