DEF question
Hey I am still in my learning phase of about diesels to see if I want one for my next truck let alone need one. I am here in SLC I currently drive a company vehicle. I see where DEF goes bad in 100+...
Forum Discussion
DEF life expectancy
Temp( deg F), life expectancy
32, Infinite
50, 75 Years
68, 11 Years
86, 23 Months
95, 10 Months
104, 4 Months
122, 1 Month
140, 1 Week.
I had been adding DEF every 3-4,000 miles - will start adding when the low level warning first comes on - will add about 2 gallons. There are no drains on the GM tanks and it can not be siphoned out - tank needs to be dropped to empty it
Temp( deg F), life expectancy
32, Infinite
50, 75 Years
68, 11 Years
86, 23 Months
95, 10 Months
104, 4 Months
122, 1 Month
140, 1 Week.
I had been adding DEF every 3-4,000 miles - will start adding when the low level warning first comes on - will add about 2 gallons. There are no drains on the GM tanks and it can not be siphoned out - tank needs to be dropped to empty it
