470-567-7570

Herbert Truck Centers
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  • Home
  • Services
    • Trucks
    • RVs
    • Truck Upgrades
  • Contact Us
  • About Us
  • Shop Talk
  • FAQs
    • RV Owner FAQs
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🚐 TOP FREQUENTLY ASKED – RV OWNERS

Please reach us at service@herberttruckcenters.com if you cannot find an answer to your question.

Short answer:
Most RVs won’t start after sitting because of battery drain, hidden electrical (parasitic) loads, charging system issues, degraded fuel, or rodent damage. These problems develop quietly over time—even when the RV appears to be completely off.


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Short answer:
If your RV water pump keeps running or turns on and off by itself, it’s usually caused by a water leak, a bad check valve, city water backflow, cracked plumbing lines, or a failing pump. These issues prevent the system from holding pressure, so the pump keeps cycling to compensate. 


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Short answer: it depends on the engine, how you use the RV, and time—not just miles.

🚐 Gas-Powered RVs

Oil change interval:

  • Every 5,000–10,000 miles (Our AMSOIL full synthetic oil gets you up to 25,000 miles)
  • OR once per year, even if you don’t hit the mileage

Why: RVs often sit a lot. Moisture, fuel dilution, and acid buildup still happen even if you barely drive it.

 

🚛 Diesel-Powered RVs (Cummins, Caterpillar, etc.)

Oil change interval:

  • Every 10,000–15,000 miles (Our AMSOIL full synthetic oil get you up to 25,000 miles)
  • OR once per year minimum

 

Even if you only drove 2,000 miles:

  • Change it yearly
  • Oil additives break down just sitting
  • I see way more RV engine damage from old oil 


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Short answer:
Skipping RV oil changes allows oil to break down, absorb moisture, and lose its ability to protect your engine. Over time, this leads to internal corrosion, sludge buildup, overheating, warning lights, and eventually expensive engine damage—even if the RV hasn’t been driven much.


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Short answer:
Most RV generators should be serviced every 100–150 operating hours OR once per year, whichever comes first. Even generators with low hours still need time-based maintenance because sitting unused causes fuel, oil, and internal components to break down. 


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Short answer:
Seasonal RV service in spring and fall prevents the most common breakdowns caused by sitting, temperature changes, and missed time-based maintenance. RVs that skip seasonal checks are far more likely to experience dead batteries, no-start conditions, water leaks, engine issues, and generator failures.


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 Short answer: RV refrigerators stop cooling when there’s a problem with power supply, fuel source, control systems, or the cooling unit itself. Because RV fridges rely on multiple energy sources and long periods of sitting, small issues can quietly turn into total cooling failure. 


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Short answer: RVs overheat on hills because climbing grades places maximum demand on the engine, cooling system, and drivetrain. If cooling capacity is reduced—even slightly—heat builds faster than it can be removed. 


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Short answer: A proper pre-trip RV inspection focuses on fluids, belts, hoses, tires, brakes, and seals. Long trips expose weak components quickly, and problems that go unnoticed around town often turn into breakdowns hundreds of miles from home. 


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Short answer: RV tires usually fail due to age, heat, UV damage, weight stress, and under-inflation, not worn tread. Unlike passenger vehicles, RVs place heavy loads on tires that often sit unused for long periods, allowing damage to occur internally. 


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Short answer: Proper RV winterization protects the water system, plumbing lines, fixtures, and appliances from freezing damage. Most costly winter repairs happen because water was left trapped in the system or antifreeze was used incorrectly. 


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  • Expert Technicians: We have trained and certified diesel and gas engine specialists
  • Top-Quality Oil & Filters: We use only premium, manufacturer-approved oil and filters
  • Affordable Pricing: We have competitive pricing with discounts for fleet maintenance
  • Convenience: We offer quick service with appointment flexibility, and we track your maintenance schedule  


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2017 Athens Hwy, Gainesville GA 30507

service@herberttruckcenters.com

470-567-7570

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