Based in Orlando, FL 32825 • Serving Greater Orlando
💬 Text(407) 497-7321
Owner-Operated • Mobile & Shop Service in Orlando

RV, Boat, Trailer & Fleet Repair in Orlando, FL

Direct mechanic communication, honest upfront diagnostics, and dependable mobile service. We bring specialized tools and diagnostic capabilities directly to your campsite, driveway, yard, or dock.

Based in Orlando, FL 32825Mon–Sat 7AM–7PMTransparent Upfront Quotes
Just N Case Auto, Marine & RV Repair logo
Just N Case Repairs
Auto • Marine • RV Specialty Care
Direct Owner Accountability: You speak with the technician doing the diagnosis and repair.
Multi-System Versatility: Living systems, 12V marine wiring, wheel bearings, and commercial fleet maintenance.
Mobile Diagnostics: We evaluate symptoms over the phone first to ensure mobile feasibility.
Fast Response via Call or Text

Texting is available for faster response! Send symptoms, warning lights, or photos of broken hoses/fittings directly to our technician.

Specialized Capabilities

Specialized RV, Marine, Trailer, Fleet & Equipment Solutions

We specialize in complex multi-system repairs, heavy field diagnostics, and mobile on-site service where general car shops lack tooling and dealership queues stretch for weeks.

Mobile RV Repair

On-site diagnostics for travel trailers, 5th wheels, and motorhomes. Rooftop AC, 12V electrical converters, slide-out motors, water heaters, and plumbing.

  • Campsite & driveway dispatch
  • Rooftop AC & heat troubleshooting
  • 12V battery and converter charging
Request RV Repair

Boat & Marine Repair

Mobile marine mechanics for outboards, helm controls, tinned 12V marine wiring, automatic bilge pumps, and fuel system diagnostics.

  • Outboard diagnostics & tune-ups
  • Bilge pumps, float switches & wiring
  • Dockside runs by appointment
Request Boat Repair

Trailer Repair & Bearings

Complete running gear maintenance for boat, cargo, and equipment trailers. Repacking wheel bearings with marine grease, brakes, and 7-way lighting.

  • Bearing repack & seal replacements
  • Electric & surge brake rebuilds
  • 7-way harness & LED troubleshooting
Request Trailer Service

Commercial Fleet Repair

Scheduled preventive maintenance and mechanical repairs at your company yard. Keeps trade vans, service pickups, and trailers running reliably.

  • Staggered down-time servicing
  • Commercial brake & rotor service
  • Documented inspection logs
Request Fleet Service

Generator Diagnostics

RV onboard generators (Cummins Onan) and portable inverters. Carburetor replacement, surging idle, 120V output testing, and scheduled oil service.

  • Cummins Onan RV specialists
  • Surging & hunting RPM resolution
  • 120V transfer switch testing
Request Generator Repair

Semi Truck & Heavy Duty

Mobile service truck dispatch for Class 7/8 semis, 1-ton haulers, commercial A/C compressors, air brakes, starter circuits, and chassis wiring.

  • Commercial cab & sleeper A/C service
  • High-amp starters, alternators & batteries
  • Air brake lines & chassis wiring rebuilds
Request Heavy Truck Repair
Heavy Duty Field Service

Drill Rig Repair, High-Pressure Hydraulics & Auxiliary Power

Job site breakdowns bring expensive drilling operations to an immediate halt. Our mobile service truck responds directly with specialized pressure gauges, high-pressure crimping capabilities, and diesel powertrain diagnostics.

Drill Rig Repair

On-site mechanical and hydraulic troubleshooting for geotechnical drill rigs, auger boring units, and foundation drilling equipment.

  • Mast hydraulic line burst repair
  • Rotary head feed motor diagnostics
  • Emergency stop & kill switch circuits
Request Drill Rig Repair

High-Pressure Hydraulic Systems

Complete hydraulic circuit maintenance for heavy dump trailers, boom lifts, winches, and utility machinery.

  • Directional spool valve reseals
  • Cylinder rod repacking & gland seals
  • Pressure relief valve calibration
Hydraulic Service Details

Auxiliary Power Units (APU) & Diesel Power

Field diagnostics for secondary diesel engines, power packs, rotary screw compressors, and heavy commercial starters.

  • Fuel priming & solenoid shut-off fixes
  • 24V heavy starter & alternator testing
  • Cooling radiators & fan clutch service
APU & Diesel Power Info
Transparent Operations

Understanding Mobile Service vs. Shop Service

We believe in setting realistic expectations before any dispatch fees or travel occurs. Here is how we determine whether your repair can be completed on-site:

Ideal for Mobile On-Site Service

  • • RV rooftop AC capacitors, fans, and living area electrical
  • • Slide-out motors, water heaters, and plumbing leaks
  • • Boat outboard starting circuits, bilge pumps, and helm switches
  • • Trailer bearing repack, hub replacement, and lighting harnesses
  • • Fleet truck scheduled oil, filter, and brake pad servicing
  • • Golf cart battery replacements and speed controller swaps

Requiring Shop or Specialized Facilities

  • • Heavy internal diesel engine overhauls or cylinder block boring
  • • Full automatic transmission disassembly and rebuilds
  • • Severe structural trailer frame alignment or full deck reconstruction
  • • Extensive fiberglass hull collision reconstruction below the waterline
  • • Complete RV roof decking and rubber membrane re-sheathing
Have a repair question? Call us to check mobile feasibility in your area.Call (407) 497-7321
Straightforward Repair Steps

How We Handle Your Service

1

Describe Problem

Call or submit details online. We discuss make, model, symptoms, and location.

2

Arrange Diagnosis

We confirm mobile arrival window or shop appointment with clear dispatch terms.

3

Approve Estimate

You receive an itemized quote of required parts and labor before tools turn.

4

Complete Repair

Professional repair completed, operational tests verified, and maintenance advice shared.

Field Photographs & Technical Work

Real Work, Specialized Rigs & Diagnostic Examples

View all field photos & case breakdowns
Mobile Field Service Truck On-Site Commercial Semi A/C Repair
Heavy Truck & Mobile Unit

Mobile Field Service Truck On-Site Commercial Semi A/C Repair

Just N Case fully-equipped mobile service truck dispatched to an active site for commercial semi-truck A/C charging, compressor lines, and heavy roadside diagnostics.

Engine Diagnostics & A/C System Deep Vacuum Evacuation
A/C Diagnostics & Engine

Engine Diagnostics & A/C System Deep Vacuum Evacuation

Deep manifold gauge testing and vacuum evacuation pump setup on an engine bay climate control and powertrain system.

Under-Hood Exhaust, Starter & Heat Shield Service
Mechanical & Starter Repair

Under-Hood Exhaust, Starter & Heat Shield Service

Under-chassis precision work showing starter motor installation, heat shielding alignment, O2 sensor wire routing, and exhaust manifold flange inspection.

Drill Rig RepairActive job site, Greater Orlando area

Geotechnical Drill Rig Mast & Hydraulic Rotary Feed Repair

Issue: High-pressure hydraulic feed line burst on geotechnical drilling mast during active foundation boring, locking out rotary head down-pressure.
Work Performed: Field-measured 4-spiral high-pressure hydraulic lines, rebuilt JIC compression fittings, purged hydraulic air locks, and verified rotation and feed pressure under working load.
Hydraulic Systems RepairContractor staging yard, East Orange County

Heavy Equipment Hydraulic Spool Valve Rebuild & Boom Drift Fix

Issue: Severe internal hydraulic fluid bypass on directional spool valves causing gradual boom drift and loss of lift capacity under payload.
Work Performed: Rebuilt spool valve seals on-site, replaced worn cylinder rod packings, refilled ISO 46 anti-wear hydraulic oil, and calibrated system pressure relief valves.
APU & Diesel PowerConstruction depot, Orlando FL

Auxiliary Power Unit (APU) & Compact Diesel Generator Overhaul

Issue: Job site auxiliary diesel power unit shutting down after 3 minutes due to severe fuel starvation and electrical solenoid drop-out.
Work Performed: Isolated air leak at secondary fuel filter head, replaced 12V fuel shut-off solenoid, adjusted governor spring tension, and load-bank tested output.
Semi & Heavy Duty TruckCommercial depot, Orlando FL

Commercial Class 8 Semi Truck Roadside A/C Compressor Replacement

Issue: Seized A/C compressor clutch and shattered drive belt leaving driver without cab climate control during Central Florida summer heat.
Work Performed: Mobile service truck dispatched with recovery equipment, flushed lines, installed new heavy-duty compressor, replaced receiver-drier, pulled 45-minute vacuum, and recharged R134a to spec.
Client Feedback

Genuine Customer Experiences

Only authentic reviews with verifiable source details.

"I've visited twice in the past month, and both experiences have been outstanding. Each time, my car was repaired quickly – first time I dropped it off at night and had it back in less than two hours, which was incredible. He consistently goes above and beyond, providing a detailed breakdown of all costs and services so you always know exactly what's being done. I also appreciate that he includes a list of potential future repairs or maintenance items, which helps prevent any surprises down the road. Most recently, he even accepted my car to be towed to him on Halloween night and had it back to me before the weekend ended! I would highly recommend him to anyone who owns a car!"

Kaitlyn DCar Repair
Google Review

"Honest, reliable, and straightforward. Owner-operated service makes a huge difference because the person who diagnoses the problem is the one doing the work. Upfront communication and no runaround on parts or pricing."

Verified Local CustomerRV / Trailer Service
Google Profile

"Having a mobile mechanic who can handle trailer wiring, bearings, and outboard electrical issues without having to haul everything across town saves days of downtime. Extremely knowledgeable and dependable."

Marine & Trailer ClientBoat Trailer & Marine Systems
Verified Feedback
Coverage Area

Service Areas in Greater Orlando & Surrounding Communities

Based in Orlando, FL 32825. We travel to customer locations across East Orange County, major Orlando highway corridors, and coastal marinas by appointment.

OrlandoPrimary base & central coverage
Waterford LakesEast Orlando corridor / East Orange County
Avalon ParkEast Orlando residential & storage area
AlafayaEast Orlando / UCF area
Bithlo & WedgefieldEast Orange County rural & acreage service
Lake NonaSouth Orlando corridor
Winter ParkNorth Central Orange County
ConwayCentral Orange County
Merritt Island & Brevard CoastMobile marine & dockside service by appointment
* Coastal runs (e.g. Merritt Island & Brevard marinas) are scheduled in advance by phone appointment.

Common Questions

How does mobile diagnostic pricing work?

We review the problem over the phone first to verify mobile feasibility. Once on-site, we evaluate the system and provide a written, itemized estimate before any repair work starts.

What are your regular business hours?

Monday through Saturday from 7:00 AM to 7:00 PM, and Sunday from 11:00 AM to 2:00 PM. For after-hours or urgent roadside/campsite triage, please call to check current availability.

Can I drop off my car or RV at your location?

Because we operate primarily in the field on mobile service calls, physical drop-offs or shop visits must be coordinated in advance by phone.

Get In Touch

Request Your Repair Estimate

Fill out the form below or call directly at (407) 497-7321.

Request a Repair Estimate

Tell us about the issue. We review vehicle details and verify mobile service coverage before dispatch.

⚡ Need a faster response or have photos of the broken part?

Texting is available for faster response! Send details and photos directly to (407) 497-7321.

* Note: This request is subject to technician schedule and location feasibility. For immediate emergency triage, call or text (407) 497-7321. By submitting, you agree to our Privacy Policy & Terms.