Maintenance

How Old Is Your Diesel Exhaust Fluid?

If DEF has been stored in the vehicle over the past 12 months, API recommends that it be drained...

For vehicles being put back into service after a prolonged period — particularly in wintertime — fleets should follow these best practices when replacing diesel exhaust fluid (DEF) and engine oil to avoid mechanical issues and keep vehicles running smoothly.

a Bobit media brand

Create your free Bobit Connect account to bookmark content.

The secure and easy all-access connection to your content.
Bookmarked content can then be accessed anytime on all of your logged in devices!

Create Account