What does DEF heater line do?
All DEF systems require heating elements to prevent DEF fluid from freezing at temperatures less than 12 degrees Fahrenheit. DEF Heating Pots are designed to quickly return DEF to liquid form, ensuring proper flow through the lines and pump unit.
How do you remove a DEF heater line?
To disconnect a DEF line, push the line coupling in towards the male connector to move the holding clip to the unlocked position, then compress the prongs of the holding clip and pull the line off of the male connector. Failure to properly remove a DEF line can result in damage to a line coupling or DEF fitting.
Is a DEF heater necessary?
DEF tank heaters are an essential tool for those who operate with and depend on DEF. Whether you are using DEF, transporting it, storing it, or supplying it for others, DEF requires attention and awareness. DEF is very easy to use and is a harmless substance–it is non-flammable and non-explosive..
At what temperature does DEF freeze?
12°F
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.
What does a diesel exhaust fluid heater do?
DEF fluid is a urea based product, it freezes at -11°C (12.2°F). The heating element (6) is used to prevent the fluid from freezing while the engine is running.
How does DEF level sensor work?
The DEF level sensor, which is part of the DEF sending unit, measures the level of fluid remaining in the DEF tank. When the liquid level is low, the DEF level sensor sends a signal to the vehicle’s ECU which then triggers the warning light on the gauges or panel.
Is it bad if DEF freezes?
Like water, DEF will expand up to seven percent when frozen and can damage a truck’s DEF-storage tank if it is full or nearly full when it freezes. Keeping a tank that you think may freeze less than full is a good idea.
What is the code for a diesel fluid line heater?
Code 3258. Aftertreatment diesel exhaust fluid line heater 1 I have a 32581 diesel exhaust fluid line heater 1 circuit. Auto Mechanics 1&2/diesel… I have a Cummins QSF3.8 S/N 89289398 with a 5391 active amber error code and additional error codes of 6531, 6533 and 6535. Codes won’t clear … read more
What is the fault code for a Cummins front loader?
2012 KW T800, Cummins ISX. 2012 Kenworth T800 Cummins ISX. Fault code 3258 3425 3261 heater circuit 1 2 and 3. Vocational, Technical or Tra… I have a 2015 peterbilt paccar front loader with code SPN 5491 saying low voltage or shorted heater relay.
What is the fault code on a 2012 Cummins T800?
Auto Mechanics 1&2/diesel… I have a Cummins QSF3.8 S/N 89289398 with a 5391 active amber error code and additional error codes of 6531, 6533 and 6535. Codes won’t clear … read more 2012 KW T800, Cummins ISX. 2012 Kenworth T800 Cummins ISX. Fault code 3258 3425 3261 heater circuit 1 2 and 3.