Top 3 maintenance tips for propane vehicles

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Roush CleanTech trained more than 1,000 technicians on propane autogas vehicles in 2017.

Automotive technicians don’t need to worry when they hear the word “propane.” Aside from a few differences, propane autogas vehicles are much like gasoline-fueled models when it comes to keeping them running. And in some cases, even easier. Here are the top three tips from Roush CleanTech’s field service team to consider when maintaining a propane vehicle.

1. Don’t fear the unknown

Roush CleanTech’s class 4-7 propane autogas vehicles come equipped with Ford 6.8L engines.

Propane has been around for more than 100 years to fuel vehicles. More than 27 million vehicles travel worldwide with propane autogas in their fuel tank. This includes shuttles, school buses, delivery vans, construction trucks, transit vehicles and more.

Although propane is referred to as “propane autogas” when used as an on-road transportation fuel, it’s the same stuff used to heat up homes or fire up a back-yard grill. It’s a cost-saving energy source that is making strides in the U.S. transportation industry. For more than 30 years, the cost of propane autogas has been, on average, 50% less than the cost of diesel.

Propane autogas is a readily available, domestically produced fuel used to power vehicles. More than 90% of the United States propane autogas supply is produced domestically, with an additional 7% from Canada.

2. Know the maintenance differences

Today’s diesel vehicles are cleaner than those of years past, but the tradeoff has been expensive and high-maintenance emissions and aftertreatment systems, which aren’t required on propane autogas models. Propane’s chemical properties allow it to power an engine while reducing the emissions released into the atmosphere without aftertreatment equipment. Heavier-duty vehicles fueled by propane autogas emit fewer greenhouse gases and total hydrocarbon emissions, and virtually eliminate particulate matter, when compared to conventional diesel-powered heavy-duty vehicles.

In addition, engines fueled by propane autogas require less oil by volume than diesel and no additional diesel emission fluids or extra valve adjustments.

There are a few differences to consider. When depressurizing the fuel lines in a propane vehicle, follow manufacturer recommended procedures. Fuel lines typically maintain pressure after shutdown.

Since safety is key, be sure to wear appropriate personal protection equipment, such as propane safe gloves and safety glasses, whenever servicing a propane fuel system.

3. Follow the owner’s manual

Just like with any vehicle, always refer to the vehicle owner’s manual for regular maintenance — even with a propane model. Follow the manufacturer’s recommended oil change intervals, but be aware that the oil may not look like it needs changing because propane burns cleaner. This helps keep your propane engine clean, but the oil should still be changed at the recommended interval. There are necessary protective additives in engine oils that can still wear out. Make sure you are using the proper oil levels with fuel filters changed every 50,000 miles. Continue with basic maintenance — changing and inspecting spark plugs, air filters, battery, etc., at proper intervals — just like you would with diesel or gasoline vehicles.

If you have questions about the propane fuel system in a vehicle, call the fuel system manufacturer with any questions. They should be able to help you with the propane system components and might recommend a workshop to further your knowledge about the propane system. For all non-propane-related questions, contact the vehicle manufacturer directly.

VIAROUSH CleanTech
SOURCETruckingInfo.com
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