We run the parksmart apu on our trucks. I have noticed after 30 min the heat stops after truck is turned off. I have check all batteires. The air still blows but the heat quits. What is the fix to this. Could it be heater core?
Freightliner Park Smart Apu Heat works for 30 min after truck shut off then quits
Discussion in 'Freightliner Forum' started by LakenT, Jan 29, 2023.