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What are the Most Important Components to Inspect and Maintain on My RV?


If you’re an RV owner or a soon-to-be owner, you may wonder, “What are the most important components to inspect and maintain on my RV?” Regular inspection and maintenance are essential to keep your RV in top shape for years of enjoyable adventures. In this blog post, we’ll discuss the key components you should pay close attention to maintain your RV’s performance and longevity.

Engine and Transmission

Your RV’s engine and transmission are its heart and soul. Regular inspection and maintenance are essential to ensure they operate smoothly and efficiently. Be sure to:

  • Check and change the oil regularly, following the manufacturer’s recommendations.
  • Inspect the transmission fluid level and change it as necessary.
  • Check the coolant level and top off if needed.
  • Inspect belts and hoses for wear and tear, replacing them as needed.

Tires and Wheels

Tires and wheels are crucial to your RV’s overall safety and performance. Make sure you:

  • Inspect tires for wear, cracks, or damage, replacing them as needed.
  • Check tire pressure regularly and maintain the recommended PSI.
  • Rotate tires as per the manufacturer’s guidelines.
  • Inspect wheels and lug nuts for damage, tightness, and proper alignment.

I have an article on my site with my top ten tire maintenance tips with much more detail. Check it out for more great tips on maintaining the tires.

Braking System

A well-maintained braking system is essential for safe RV travel. To ensure your RV’s brakes are in good condition, be sure to:

  • Inspect brake pads and shoes for wear and replace them when needed.
  • Check brake fluid levels and top off or change the fluid as needed.
  • Inspect brake lines for leaks or damage and repair or replace them as necessary.

Now that we have looked at the rolling chassis’s important components to inspect and maintain, let us look at the RV itself.

Electrical System

Your RV’s electrical system powers everything from the lights to the appliances. Keep it running smoothly by:

  • Inspecting and cleaning battery terminals regularly.
  • Checking the battery’s charge and replacing it if it’s no longer holding a charge.
  • Inspecting wiring for damage, fraying, or loose connections and repairing or replacing as needed.
  • Testing all lights, switches, and outlets for proper function.

Want to know more about how to maintain your RV’s electrical systems? Check out these articles

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Don’t forget to inspect and test the other appliances and electronics. Trying to troubleshoot and repair a problem when camping can be difficult. It is best to resolve those issues before you go camping.

Appliances and Electronics

Your RV’s appliances and electronics make your trips more comfortable and enjoyable. Ensure they’re in good working order by:

  • Regularly inspect and clean appliances like refrigerator, stove, and air conditioner.
  • Testing electronics for proper function, including the TV, radio, and GPS.
  • Checking for any recalls on your appliances and electronics, following up with the manufacturer as needed.

Plumbing and Waste Systems

A well-maintained plumbing and waste system will help you avoid unpleasant trip surprises. Make sure to:

  • Inspect and clean holding tanks regularly.
  • Check for leaks in pipes and hoses, and repair or replace them as needed.
  • Inspect and maintain the water heater, following the manufacturer’s guidelines.
  • Flush and sanitize the freshwater system periodically.

Here are some valuable RV holding tank maintenance tips that will keep your tank level sensors working properly, and the tanks won’t stink.

Read about my Bio-Geo method of managing your holding tanks.

Are your RV holding tank level sensors not working?

A system with important components that require inspection and maintenance is your propane appliances. We look at them next.

Propane System

Propane is a critical component for many RV systems, such as cooking, heating, and refrigeration. To maintain your RV’s propane system, be sure to:

A rusty propane tank needing maintenance
  • Inspect propane tanks for damage, rust, or leaks.
  • Check and replace propane hoses and regulators as needed.
  • Test propane appliances for proper function and safety.
  • Leak Test every connection and fitting in the system.

A propane leak is serious and can lead to bodily injury or death, so appropriate care must be exercised. When in doubt, consult a qualified RV propane system tech.

Slide-Outs and Seals

Slide-outs add valuable living space to your RV but require regular inspection and maintenance. Keep them in top condition by:

  • Lubricating slide-out mechanisms according to the manufacturer’s recommendations.
  • Inspecting slide-out seals for damage or wear, replacing them as needed.
  • Wipe all seals with 100% silicone spray. Don’t forget the doors and any seals around slide-outs.
  • Check for proper slide-out alignment and adjust as necessary.

Roof and Exterior

Your RV’s roof and exterior protect you from the elements, so keeping them in good condition is essential. Be sure to:

  • Inspect the roof for cracks, leaks, or damage, repairing or replacing damaged areas as needed.
  • Clean and treat the roof with a UV protectant to prevent sun damage.
  • Inspect exterior seals around windows, doors, and vents, replacing them if they show signs of wear or damage.
  • Wash and wax the exterior of your RV regularly to keep it looking its best and to protect the finish from the elements.

Safety Equipment

Safety should always be a top priority when maintaining your RV. Don’t forget to:

  • Test smoke and carbon monoxide detectors, replacing batteries as needed.
  • Inspect fire extinguishers for proper charge and replace them if they’re expired or damaged.
  • Check safety equipment, such as emergency exits and window latches, for proper function.


Understanding the most important components to inspect and maintain on your RV is crucial for your investment’s safety, performance, and longevity. By regularly checking and maintaining your engine, transmission, tires, wheels, braking system, electrical system, plumbing, waste systems, propane system, slide-outs, seals, roof, exterior, appliances, electronics, and safety equipment, you’ll ensure your RV is ready for your next adventure. Happy travels!

Want more great RV How-to and Maintenance tips & tricks? Check out these articles on my site:

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