Post-Winter RV Maintenance: Essential Steps for Full-Timers and Seasonal Travelers

Winter can take a toll on an RV, even for those who travel full-time or stay in milder climates like the Southeast. Whether your RV endured freezing temperatures or simply sat through months of fluctuating humidity, a thorough post-winter inspection is essential. The National RV Training Academy (NRVTA) and the Recreational Vehicle Industry Association (RVIA) provide key best practices to ensure your RV is road-ready and protected from potential damage.

Exterior Inspections and Maintenance

1. Roof and Seal Checks – Examine the roof for cracks, soft spots, and any signs of leaks. Look at all seams and sealants around vents, air conditioning units, skylights, and edges. Reseal any areas showing deterioration.

2. Slide-Out Seals and Awnings – Inspect slide-out seals for cracking or weather damage. Clean and lubricate slide-out tracks with a manufacturer-approved product. Awnings should be checked for mildew, tears, or mechanical issues.

3. Tires and Suspension – Cold weather can lead to deflation and sidewall cracking. Check the tire pressure, tread depth, and look for dry rot. Also, inspect suspension components for wear and lubricate moving parts.

4. Undercarriage and Frame – If you've been in snowy regions or areas with salt-treated roads, inspect for rust or corrosion. Wash the undercarriage thoroughly and apply rust inhibitor if needed.

Water Systems and Plumbing

1. Dewinterization (If Necessary) – If you used antifreeze, flush the system with fresh water. Open all faucets and run water until clear. Check for any leaks.

2. Water Heater and Pump – Ensure the water heater bypass valve is open and inspect the anode rod (if applicable). Prime the water pump and check for proper pressure.

3. Tanks and Sewer System – Flush and sanitize freshwater tanks. Inspect black and gray tanks for leaks, and lubricate waste valves. Consider using an enzyme treatment to keep the system odor-free.

Electrical and Propane Systems

1. Battery Inspection – Check battery voltage, clean terminals, and top off distilled water if applicable. If the battery was disconnected, ensure it's fully charged before reconnecting.

2. Shore Power and Inverter – Inspect power cords and connections for wear. Test the inverter and surge protector to ensure they function correctly.

3. Propane System – Perform a leak test with soapy water on all fittings. Ensure propane appliances, such as the furnace and stove, ignite properly and burners burn blue (not yellow).

HVAC and Interior Maintenance

1. Air Conditioning and Furnace – Clean or replace filters. Test the heating and cooling functions, as dust and debris can accumulate inside ductwork.

2. Refrigerator and Appliances – Run the refrigerator on both propane and electric modes to ensure proper function. Clean behind and underneath appliances to prevent fire hazards.

3. Pest and Mold Prevention – Check for rodent nests or signs of pests in compartments, under seats, and in storage areas. Inspect for moisture build-up, which can lead to mold and mildew.

Safety and Final Checks

1. Fire Extinguishers and Alarms – Test smoke and CO detectors. Replace batteries in detectors and check the expiration date on fire extinguishers.

2. Brakes and Lights – If towing, inspect brake connections, test running lights, and replace any burnt-out bulbs.

3. Emergency Preparedness – Update first aid kits and ensure roadside emergency supplies (jumper cables, tire repair kits, etc.) are in good condition.

Regional Considerations: Southeast vs. Other Climates

• Southeast RVers: Humidity and rain are major concerns. Check for mold, mildew, and soft flooring due to moisture exposure. Ensure dehumidifiers or moisture absorbers are in use.

• Northern RVers: Freeze-thaw cycles can cause cracking in sealants and plumbing fittings. Inspect insulation and skirting if used during winter.

• Western RVers: If traveling through desert regions, dust can clog air filters and vents. Check for dried-out rubber seals and lubricate slide-outs frequently.

Final Thoughts

Post-winter maintenance is an essential step in ensuring your RV remains in top shape for the months ahead. Full-timers and frequent travelers should make this an annual ritual, while those coming out of storage need to be extra vigilant about potential damage from disuse. Following NRVTA and RVIA best practices ensures your home-on-wheels is safe, comfortable, and ready for new adventures.

If you're unsure about performing any of these checks yourself, consider scheduling an inspection with a certified RV technician to give your rig a thorough once-over before hitting the road again.