Mobile RV repair across the Hill Country and the I-35 corridorMobile RV repair in San Marcos, TX
River Cities RV Service
River Cities RV Service van beside a fifth wheel at an RV park with a technician at a work table, mobile RV repair
Our Services

RV Repair Services Around San Marcos, TX

RV AC, refrigerator, roof, slide-out, plumbing, water heater, electrical and generator repair for travel trailers, fifth wheels, motorhomes and campers. We also handle propane systems and furnaces, awnings, suspension, collision repair, annual maintenance and RV warranty and insurance repairs.

We do mobile RV repair on travel trailers, fifth wheels, motorhomes and campers across our service area. RV owners can also bring the RV to our San Marcos shop. In Texas summer heat, RV AC repair is the most common urgent call we get. If you don't see your repair below, call or text (512) 850-7257 and tell us what the RV needs.

Rooftop RV air conditioner with its shroud off showing the coils, RV AC repair
RV AC Repair

For the rooftop AC that quit in the Texas heat

We repair rooftop RV air conditioners that blow warm air or will not start. When a unit is done, we replace it at your RV or at our San Marcos shop.

  • Rooftop RV air conditioners that blow warm air or stop cooling
  • Units that hum, will not start or keep tripping the breaker
  • Iced-up cooling coils and weak airflow at the vents
  • Fan motors and other failed parts on the rooftop unit replaced
  • AC and heat control boards replaced
  • Wall thermostats and ceiling controls tested and replaced
RV AC Repair in San Marcos
Boxed replacement refrigerator beside a travel trailer at an RV park, RV refrigerator repair
RV Refrigerator Repair

For the RV fridge that quit cooling or lost power

We repair RV fridges that stop cooling, cool on only one power source, leak or lose power. We work on absorption and 12-volt compressor fridges at your RV or at our San Marcos shop.

  • Fridges that stopped cooling on every power source
  • Fridges that cool on electric but not on propane, or the reverse
  • Heating elements, fuses, burners and flues
  • Loose power wires and dead control panels
  • Ammonia leaks and failed cooling units
  • Absorption fridges and 12-volt compressor fridges
RV Refrigerator Repair in San Marcos
Fifth wheel slide out box with a ladder set up for repair, RV slide out repair
Slide-Out Repair

For slides that stall and seals that leak

RV slide-out repair for slides that will not go out or come in, and for seals that leak. We come to your RV, or you can bring it to our San Marcos shop.

  • Slides that will not go out or will not come in
  • Slide motors and stripped gears
  • Slide switches and controller faults
  • Cable-driven slides and frayed slide cables
  • Hydraulic slide systems and fluid leaks
  • Slides that run crooked or fall out of sync
RV Slide-Out Repair in San Marcos
New white roof membrane on a travel trailer, RV roof repair
RV Roof Repair

Roof sealing and leak repair where your RV sits

We reseal RV roofs and repair leaks and torn membranes. When a roof is past repair, we replace it, at your site or our San Marcos shop.

  • A close check of the seams and fixtures before any roof repair
  • RV roof sealing along the roof edges and around vents and skylights
  • Resealing with the same type of sealant the roof was built with
  • RV roof leak repair, traced back to where the water gets in
  • Patches for tears and punctures in the roof membrane
  • Hail damage repair on the membrane and the vent covers
RV Roof Repair in San Marcos
RV water heater compartment open for service, RV plumbing and water heater repair
RV Plumbing and Water Heaters

Hot water back on, right where your RV sits

We repair RV water heaters, water pumps, tank valves and leaks at your site or our San Marcos shop. The service call covers the diagnosis, and the repair quote comes in writing.

  • RV water heater repair on the propane side and the electric side
  • Elements, igniters, burners, relief valves and anode rods replaced
  • New water heaters installed, tank or tankless, when the old one is done
  • RV water pump repair and replacement for pumps that run on or will not prime
  • Tank valves and lines on the fresh, gray and black tanks
  • Leaks traced along supply lines and fittings, then repaired
RV Plumbing and Water Heater Repair in San Marcos
RV transfer switch and breaker panel wiring, RV electrical and generator repair
Electrical and Generators

When the batteries die or the generator quits

We repair RV batteries, converters, inverters, wiring and onboard generators at your site or our San Marcos shop. The service call covers the diagnosis, and the repair quote comes in writing.

  • 12-volt repairs for lights, fans, the water pump and control boards
  • 120-volt outlets and breakers, including GFCI outlets that will not reset
  • Shore power problems traced from the power cord to the transfer switch
  • Converter repair when the batteries stop charging on shore power
  • RV inverter repair, plus new inverters and converters installed
  • House battery testing and replacement
RV Electrical and Generator Repair in San Marcos
RV furnace pulled for service on the bench, RV propane system service
Propane and Furnace

Propane leak checks and furnace repair where your RV sits

We check RV propane systems for leaks and repair the regulator and the lines. RV furnace repair is part of the work, at your campsite or our San Marcos shop.

  • Propane leak checks at the tank valves, the regulator, the lines and each fitting
  • RV furnace repair for a furnace that will not light or blows cold air
  • Sail switch and control board testing on RV furnaces
  • Furnace burners and vents cleared of dirt and wasp nests
  • Regulator repair and replacement
  • Leaking propane hoses and fittings replaced
RV Propane System Service in San Marcos
New awning deployed on a travel trailer, RV awning repair and replacement
RV Awning Repair

Awning repair at your campsite or our shop

We repair and replace RV awnings after wind damage or wear, at your site or our San Marcos shop. Power awnings and slide toppers are part of the work.

  • Awning fabric replacement on manual and power awnings
  • Bent or broken awning arm repair and replacement
  • Roller tube spring and hardware repair on manual awnings
  • Motor and switch repair on power awnings
  • Slide topper repair over slide-out rooms
  • New RV awning installation
RV Awning Repair and Replacement in San Marcos
Travel trailer parked at an RV park with its wheels and slide visible, RV suspension repair
Suspension Repair

The springs and hardware that hold your trailer level

Leaf springs, shackles, equalizers, shocks and alignment adjustments for travel trailers and fifth wheels. We come to the RV, or you can bring it to our San Marcos shop.

  • Leaf spring replacement for broken or sagging springs
  • Shackle and spring eye bushing replacement
  • Equalizer and equalizer bushing replacement on tandem axles
  • Worn shock absorbers replaced
  • Axle hanger and hardware repair
  • Alignment adjustments on travel trailers and fifth wheels
RV Suspension Repair in San Marcos
Technician checking an RV roof at an RV park, RV maintenance
RV Maintenance

A yearly service visit at your site or our shop

A yearly service visit with fluid checks, filter replacements, a tire inspection and roof and seal checks. We come to your RV, or you bring it to our San Marcos shop.

  • Fluid checks across the RV's systems
  • Filter replacements where a filter is due
  • Tire inspection for tread wear and sidewall cracks
  • Roof and seal checks at the seams and around roof fixtures
  • Appliance checks on the air conditioner and refrigerator
  • Water heater and propane checks
RV Annual Maintenance in San Marcos
Fifth wheel inside the San Marcos shop bay, RV warranty and insurance repairs
RV Warranty and Insurance Repairs

Your claim starts with a diagnosis at your RV

We diagnose the problem at your RV and send the write-up to your insurer or contract company. Once the claim is approved, you pay your deductible and we take care of the rest.

  • On-site diagnosis at your RV park, campground, storage lot or driveway
  • Shop repairs in San Marcos when you bring the RV in
  • A repair write-up for your insurer or contract company
  • Submission for approval before the repair starts
  • Parts ordered when the approved repair needs them
  • You pay your deductible, and we take care of the rest
RV Warranty and Insurance Repairs in San Marcos
Fifth wheel exterior with a ladder set up for repair, RV collision repair
Body and Collision

Collision and hail damage, repaired through our body specialist

RV collision repair and delamination repair through our body specialist. We write up the damage when an insurance claim comes with it.

  • Collision damage repair on travel trailers, fifth wheels, motorhomes and campers
  • Fiberglass crack and hole repair
  • Sidewall delamination repair on bubbled or rippled walls
  • Body panel repair after a scrape or a wreck
  • Trim and seal repair around the damaged area
  • Hail and storm damage repair on the body
RV Body and Collision Repair in San Marcos
Request a Quote

Get In Touch With River Cities RV Service

Tell us what the RV is doing and where it sits. Call or text (512) 850-7257 or use the form, and we will get back to you.

Request a Quote

Tell us about your RV, what is wrong and where it is parked. We diagnose the problem and put the repair quote in writing.

Call (512) 850-7257