Is There a Difference Between DEF Brands? No, all brands of DEF should test exactly the same unless a brand is doing something incorrectly like cutting corners in their manufacturing or transportation process. For example, any of the following can affect the quality of DEF: Not using the right type of deionized water.
What DEF does GM recommend for Duramax?
The 32.5% DEF solution is preferred for use with most SCR systems worldwide due to optimum cold weather performance.
What is the difference between blue DEF and regular DEF?
As far as what the fluid is used for, which is the actual DEF, there is no difference. The difference is in the proprietary ingredients that was put into Platinum that they say keeps the DEF from crystalizing in the exhaust over time.
What DEF fluid does GM use?
ACDelco GM Original Equipment 10-4023 Diesel Exhaust Emissions Reduction (DEF) Fluid – 2.5 gal (Pack of 2)
Does it matter what brand of DEF fluid I use? – Related Questions
Can different brands of DEF be mixed?
Can I Use Different Brands of DEF in My Tank? Run the tank as empty as possible. DEF fluid from different certified suppliers can be mixed.
Is Walmart DEF fluid OK?
Missing ISO Certification
Many customers avoid Walmart DEF because it doesn’t maintain the crucial ISO certification. In 2019 there was a small recall on a local Walmart’s DEF supply. This led to a local truck dealer not honoring a warranty because the owner used the Walmart brand of DEF in their vehicle.
What kind of DEF fluid for 3.0 Duramax?
Use only DEF that is GM approved, or fluid containing the API certified or ISO 22241 label.
Is Kleen DEF the same as blue def?
Exact same manufacturer as Blue DEF, so saves money.
Does the US manufacture DEF fluid?
USA DEF is manufactured, certified, packaged and delivered direct from the plant to our business partners and USA DEF provides a steady back-up of supply. Years of combined experience in the production and handling of transportation fluids makes USA DEF an industry expert and a brand you can trust.
What year did GM add DEF to Duramax?
Do all diesel vehicles need it? DEF became commonplace on diesel vehicles starting in 2010 to comply with tightening emissions standards.
Can you delete the DEF system?
A DEF Delete Service for your Cummins, Duramax, or Powerstroke diesel engine from Revolution Motors will remove this system so your truck is running at peak efficiency and performance. Trucks with the DEF delete install can improve fuel efficiency by up to 30%.
How often do you add DEF to Duramax?
DEF is consumed at a rate of about 2-3% relative to the amount of fuel you are using. This means between 1.2 and 2.0 gallons of DEF will be required for a vehicle with a 65-gallon gas tank. If you have a five-gallon DEF tank, DEF should be replaced every third or fourth time you fill up.
What happens when you run out of DEF in a Duramax?
Exhaust is injected with DEF before entering the SCR catalyst, where it is then transformed into clean air that exits the tailpipe. If you let the DEF tank run dry, you could experience days, weeks or even months of downtime — along with thousands of dollars in potential repairs.
Is it illegal to bypass DEF system?
There is no way around this; it is 100% illegal to tamper with or modify the emission system on your truck in any way. It isn’t a state or local law (although those exist, as well), but Federal law.
Why do people delete their DEF system?
Deleting your DEF system can help save you money. Plus, your exhaust might have a bit of a beefier growl once you’re done. DPFs are completely different. Also known as diesel particulate filters, these little buggers are exhaust filters installed in-line on your exhaust system.
Should I keep my DEF tank full?
If the DEF tank contains less than 5% of its capacity, the equipment engine power will de-rate. Enough power will be available, however, to travel a short distance, so that you can add more fluid to the tank. The DEF tank needs to be filled once for every 3 to 4 times that you refuel with diesel fuel.
Is there a DEF shortage coming?
While the US may have avoided the much-feared DEF shortages in 2022, DEF markets will likely remain constrained for the near future and beyond.
How do you winterize a DEF fluid?
Follow these steps to winterize these DEF systems:
- Connect the DEF hose female quick connector to the male connector on the DEF auto shut-off nozzle.
- Push the DEF pump switch to “Trailer Fill”.
- Return the pump to “Off” position.
Will DEF go bad?
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 tell if DEF has gone 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.