Because it doesn't include any preservatives, DEF does come with a shelf life. The good news is, it's a fairly long shelf life; DEF can usually be stored up to one year without any issues.
How do you know if your DEF fluid is bad?
The easiest way to spot bad DEF is by looking at it. DEF is naturally clear, so if the solution looks cloudy or colored in any way, it's probable that it's old or has been contaminated.
Can I use expired DEF?
Drivers should responsibly discard DEF that is past its expiration date or that appears cloudy or dirty. More importantly, drivers should be aware that the age of the DEF they use is important and should buy and use only fresh, high-quality DEF.
How long does unopened DEF last?
The typical shelf life of Diesel Exhaust Fluid (DEF) is usually 2 years. However, to help maximize your shelf life it's recommended to store it between 68°F and 23°F (20°C and -5°C).
How long is blue def good for?
BlueDEF conforms to the ISO-22241-1 specification for DEF, is API registered and meets or exceeds OEM specifications. The shelf life of DEF is directly related to the temperature at which it is stored. Storage temperature between 12º and 86º F are recommended to maintain optimal shelf life of up to two years.
45 related questions foundCan DEF freeze?
Diesel Exhaust Fluid or DEF Fluid
Whether in storage tanks or in equipment, DEF can freeze and possibly cause issues. As temperatures drop below 12°F, DEF will begin to solidify and not work as intended.
How does DEF degrade?
DEF will degrade over time depending on temperature and exposure to sun light. Expectations for shelf life as defined by ISO Spec 22241-3 are the minimum expectations for shelf life when stored at constant temperatures. If stored between 10 and 90 deg F, shelf life will easily be one year.
How do you store DEF fluid?
DEF should be stored in a cool, dry, well-ventilated area, out of direct sunlight. While the optimum storage temperature is up to 77 deg F (25 deg C), temporary exposure to higher temperatures has little to no impact on the quality of DEF.
Can I store DEF outside?
For maximum Diesel Exhaust Fluid (DEF) shelf life, store between 68°F (20°C) and 23°F (-5°C). Keep DEF out of direct sunlight. If DEF is stored outside it must be kept shaded from the sun. DEF will begin to lose its urea potency if kept in direct sunlight for too long.
How long does DEF stay good?
Shelf Life
Because it doesn't include any preservatives, DEF does come with a shelf life. The good news is, it's a fairly long shelf life; DEF can usually be stored up to one year without any issues. RDO Equipment Co.
Can I pee in my DEF tank?
Please do not urinate in your DEF tank, the SCR system will be damaged and it will cost thousands of dollars to repair.
How long does a DEF pump last?
If the DEF is stored at ambient temperatures of 75 F with no major periods of exposure to heat over 86 F then the batch of DEF will last roughly two years. If a package of DEF is exposed to periods of heating the fluid will last approximately one year.
How toxic is DEF fluid?
Diesel Exhaust Fluid (DEF) is not toxic, harmful or dangerous. In fact, of all the fluids used in a truck, such as diesel, engine oil, brake fluid, antifreeze and windscreen wash, DEF is the least hazardous.
How corrosive is DEF?
DEF in non-toxic, non-flammable and is not dangerous. It is actually less hazardous than other fluids such as antifreeze, engine oil or diesel. It is corrosive to copper, brass, zinc and aluminum as well as carbon steel.
How do you winterize a DEF fluid?
Push the DEF pump switch to "Trailer Fill". Allow the pump to run while squeezing the nozzle handle for 30 seconds. Unhook the quick coupler from the nozzle WHILE THE PUMP IS RUNNING. This will evacuate the DEF fluid from the nozzle.
What temp does DEF freeze C?
The typical DEF freezing point is 12 degrees Fahrenheit, or -11 degrees Celsius. This is lower than the freezing point of water because of the area in the fluid.
How do I keep my DEF tank from freezing?
Many want to know if anti-gelling or freeze-point-improver can be added to the DEF mixture to prevent freezing. DO NOT put additives into the urea solution because DEF must remain pure. The quality of DEF is extremely important for proper performance.
What does Blue DEF?
BlueDEF® Diesel Exhaust Fluid is a mixture of high purity synthetic urea and deionized water that is used in Selective Catalytic Reduction (SCR) systems in diesel vehicles. DEF is used to help convert NOx to harmless nitrogen and water.
Does BlueDEF platinum have an expiration date?
Blue Def does have a limited shelf life. To have a 3-year shelf life, Blue Def must be stored at temperatures no higher than 50 degrees F. Read our guide.
How do you test DEF?
Field Testing
- Visually inspect DEF for color and clarity. ...
- Do a “smell test”. ...
- Inspect exhaust piping and DEF injectors for presence of crystallization. ...
- Use a handheld DEF refractometer to measure the concentration specifications of the fluid to ensure 32.5% of the fluid is urea.
Should you keep your DEF tank full?
DEF tanks will hold between 15 and 50 gallons, depending on the size and horsepower of your equipment. Be sure to keep enough reserves on hand, as equipment will cease to operate once the DEF tank is dry.
How much does it cost to replace a DEF pump?
The Best in Auto Repair
The average cost for diesel injection pump replacement is between $1,726 and $2,343. Labor costs are estimated between $482 and $608 while parts are priced between $1,244 and $1,735.
How many miles does a gallon of DEF last?
Typically, dose rates for a well-maintained heavy- or medium-duty truck engine will be between 2-3%. This means that a truck getting six mpg will require between three to five gallons of DEF for every 1,000 miles it travels.
