Peterbilt 379 Engine Fan Stays On at Aaron Battye blog

Peterbilt 379 Engine Fan Stays On. 05' pete 379 with a cat acert: The last few day's the engine fan has been staying on 90 % of the time. First would be the ac pressure switch. The tough part is if one of these is faulty, there will not be a check engine light or fault code.the best way to determine what is causing the. I was idling in the yard one day and the high engine. When the engine fan fails to activate, it may cause the engine to overheat and cause damage. If nothing can be seen with the service tool, you most likely have a faulty fan control solenoid, fan hub, or broken fan control wire that runs from the engine ecm. Common causes of this issue include: I'm having trouble with the engine fan kicking on all the time when it should. If it is faulty, it can cause the fan to stay on. Should cycle as needed with the a/c. Basically, the ecm sends out 12 volts on pin 11 whenever the ecm wants the fan off. So we finally found the cause of constant engine fan. Wire 226 out of the manual fan switch to the fan air solenoid had constant. You should also check the wiring as well.

The last few day's the engine fan has been staying on 90 % of the time. The tough part is if one of these is faulty, there will not be a check engine light or fault code.the best way to determine what is causing the. Basically, the ecm sends out 12 volts on pin 11 whenever the ecm wants the fan off. Should cycle as needed with the a/c. I was idling in the yard one day and the high engine. If it is faulty, it can cause the fan to stay on. It is on pin 11. You should also check the wiring as well. So we finally found the cause of constant engine fan. 05' pete 379 with a cat acert:

Peterbilt 379 Engine Fan Stays On

Peterbilt 379 Engine Fan Stays On 05' pete 379 with a cat acert: If nothing can be seen with the service tool, you most likely have a faulty fan control solenoid, fan hub, or broken fan control wire that runs from the engine ecm. It is on pin 11. When the engine fan fails to activate, it may cause the engine to overheat and cause damage. The last few day's the engine fan has been staying on 90 % of the time. Should cycle as needed with the a/c. I'm having trouble with the engine fan kicking on all the time when it should. If it is faulty, it can cause the fan to stay on. Basically, the ecm sends out 12 volts on pin 11 whenever the ecm wants the fan off. The air solenoid on the. Wire 226 out of the manual fan switch to the fan air solenoid had constant. So we finally found the cause of constant engine fan. First would be the ac pressure switch. Common causes of this issue include: 05' pete 379 with a cat acert: I was idling in the yard one day and the high engine.