Drive for a time and then start on the maintenance you feel is required. The risk may be minimal, but the risk is unnecessary. You may create a problem and then incorrectly blame that on having been in storage. There is risk as to creating problems any time service is performed on a vehicle. Was the truck running fine when put into storage? If yes, pull it out and drive it for a while before mucking around with it. Transmission fluid will not deteriorate significantly during 2 years in storage.Įngine oil will not deteriorate significantly during 2 years in storage.ĭifferential fluid will not deteriorate during 2 years in storage.Įxtended life coolant will not deteriorate significantly during 2 years in storage.ĭOT 4 brake fluid may pick up moisture over 2 years, but it will work fine until a convenient time for a change/flush.īrake rotors may have rusted, but will scrape off with use. There have been other threads that have discussed bringing Sprinters out of storage after 2 years and much longer. In my mind 2 years is not a long time for vehicle storage. I'm not so certain the shelf life is related to avoiding damage to the system by using old(er) DEF product. If the concentration becomes a bit weak it may reduce the the effectiveness for reducing emissions, but does it harm the DEF system or the engine? I'm certain that the effective shelf life is related to keeping the emissions system operating to standard. What is the danger of leaving older DEF in and using it? In the extreme it may have a tendency to develop crystals. For the $13-15 for 2.5 gal of DEF, the one takeaway I got from the API Mgr is freshness is key, and that is what they test for by companies paying to license the API for use on their labels. If your MH was parked for 2 years I would drain out the DEF to be safe and get fresh DEF in there, especially so if the temps were >85F for periods. Not sure if the SG tester would measure differently if a percentage of the urea had converted to Biuret, which is bad for the SCR, as that was not mentioned in the video, but I think is worth noting. Ideal storage would be 45-50F and that would allow up to 3 years of safe usage. At higher temps there is a breakdown to "Biuret" which will be noticeable as a very strong ammonia smell. Storage temperature between 12 and 86 F are recommended to maintain optimal shelf life of up to two years. The shelf life of DEF is directly related to the temperature at which it is stored. no breakdown of the proper urea 32.5% concentration. BlueDEF conforms to the ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications. Fast-forward to 7:30 and he explains that storing DEF consistantly at 85F or higher only allows for 1 year of safe usage, i.e. Learn more about DEF.Click to expand.Video of an interview with the Manager of API for engine oils and DEF below. See how DEF reduces exhaust emissions, how it is made and why you need to choose a quality product to protect your engine. We make sure we analyze each batch produced in our plant. Air1 gets to you via dedicated ships, road tankers and railcars to dedicated terminals. To be sure that you receive the purest quality we maintain the highest standards through the whole supply system. Yara's Air1 comes from virgin pure urea and is specially treated demineralized water. DEF high quality productĪt Air1, we focus on making sure that you receive DEF that avoids all impurities. Yara produces Air1 in 5 plants, bringing the world's largest DEF capacity in the world to the North American market. It was first introduced in Europe in 2005. Engineering and site assessment for independent resellers or for distribution networksĪir1 has been a brand of Yara and a pioneer of DEF on the North American market since 2010. With locations across the US, you are never far away from an Air1 North American distributor.įor fleet owners, gas stations and retailers we can also give you advice on and supply suitable storage solutions to fit your needs, including the installation of DEF tanks. The SCR system makes the vehicle more fuel efficient, and release less pollution into the air. Air1® is Yara's Diesel Exhaust Fluid used in vehicles with Selective Catalytic Reduction (SCR) technology to reduce harmful gases to meet EPA clean air standards.
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