Comprehensive Summer RV Maintenance & Pre-Trip Checklist

Before your customers hit the road, use this list to ensure their RV is summer-ready, safe and roadworthy. Alternatively, provide them with this checklist to help their pre-trip preparations.

1. Electrical System

• Test house battery voltage (fully charged should read ~12.7 volts or higher)
• Check battery water levels (if applicable) and refill with distilled water
• Clean and inspect battery terminals for corrosion
• Verify shore power connection and test pedestal polarity (using a polarity tester)
• Test onboard inverter/charger or converter operation
• Ensure the generator starts, runs under load and powers all systems
• Inspect extension cords and surge protectors for damage
• Confirm all lights (interior, porch, marker, brake, turn) are operational
• Reset or test circuit breakers and GFCI outlets
• Replace any blown fuses in DC fuse panel

2. Air Conditioning & Ventilation

• Clean or replace AC air filters
• Inspect evaporator and condenser coils for dust buildup
• Test thermostat settings and cooling performance
• Check rooftop AC shroud for cracks or missing screws
• Verify roof vents and fans operate properly and seals are intact
• Ensure all ductwork vents are open and clear of debris

3. Propane (LP) System

• Perform a leak check (using a manometer or soapy water on connections)
• Check LP tank level and confirm it’s filled
• Inspect pigtail hoses and regulators for cracks or corrosion
• Confirm propane detector is operational and not expired
• Light and test each propane appliance (stove, fridge, furnace, water heater)

4. Plumbing & Water Systems

• Sanitize fresh water tank with diluted bleach solution (especially after storage)
• Run water pump and inspect for pressure and leaks
• Test faucets, showerhead, toilet and outdoor spigots for leaks or clogs
• Check water heater operation on both propane and electric modes
• Verify water heater pressure relief valve is not stuck or leaking
• Inspect water hoses for cracks, kinks or leaks
• Use a water pressure regulator on city water connection
• Empty and flush black and gray tanks; verify tank sensors are working
• Inspect sewer hose and fittings for cracks or loose seals

5. Tires & Chassis

• Check tire pressure (when cold) for all tires, including the spare
• Inspect tread depth and look for uneven wear
• Look for sidewall cracks, bulges or dry rot
• Verify tire age (replace if older than 5-7 years)
• Torque lug nuts to spec
• Lubricate wheel bearings (as required by mileage/service interval)
• Inspect suspension, leaf springs and shocks for damage or rust
• Check undercarriage for loose wires or hanging components

6. Roof, Seals & Exterior

• Inspect all roof seams and reapply sealant where cracks are present
• Check skylights, roof vents and AC units for secure mounting and leaks
• Clean, inspect and lubricate slideout seals and mechanisms
• Check all window, door and compartment seals
• Open, clean and inspect awnings for mold, rips or damaged arms
• Wash and wax the RV exterior to protect against UV damage
• Inspect sidewalls for bubbling, delamination or punctures

7. Interior Inspection & Safety Equipment

• Test all appliances (microwave, fridge, range, etc.)
• Clean air intake grilles and vents
• Check for signs of rodent or insect activity
• Test all smoke detectors, carbon monoxide detectors and LP gas alarms
• Replace batteries in all safety devices
• Verify fire extinguisher is charged and accessible
• Check that drawers, cabinets and doors latch properly
• Secure or stow loose items to prevent damage during transit
• Test interior lights, outlets, fans and charging ports

8. Hitch, Tow & Towing Safety (for Trailers & TOADs)

• Inspect hitch and coupler for cracks, rust or wear
• Verify safety chains are correctly crossed and latched
• Check electric brake controller and trailer brake function
• Test trailer breakaway switch and battery
• Check RV-to-tow vehicle wiring and test all trailer lights
• Confirm weight distribution and sway control hitches are adjusted
• Check dinghy towing gear (if towing a vehicle) for wear and attachment

Bonus Tools To Keep Onboard

• Tire pressure gauge
• Multimeter
• Extra fuses and light bulbs
• Water filter
• Sewer hose supports
• Flashlights and headlamps
• Duct tape, zip ties, basic tool kit
• Leveling blocks and wheel chocks

Click here for more detailed information about summer maintenance tips for your RV customers.