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Where is the fan clutch solenoid located?

Where is the fan clutch solenoid located?

It’s located on the front of the engine on the fan drive on the electronic version. There are vanes inside the fan drive which the fan speed sensor/solenoid reads (Hall Effect like a crank sensor) It sends a signal to the ECM and engages the fan accordingly for optimal cooling speed.

What is a solenoid controlled fan clutch is controlled by?

The solenoid controls whether the fan gets air supply or not. The solenoid is controlled by the ECU. The ECU gets inputs from the coolant temp sensor and the manual fan override switch. The air conditioner also affects whether the fan is on or not.

Can a truck engine fan stay on all the time?

If the fan shuts off when you turn off both blowers inside, it’s going to be an A/C problem. YES ! ! ! There is life after trucking. Freightliner century class engine fan stays on all the time. When ignition is turned on, the screen in dash will show active fault.

Is there a fan in the engine compartment?

No, it is in the engine compartment, it is a sensor. A bad fan clutch solenoid is usually the first thing to look for but could be several things.

Is there a charge for Freightliner 146 EGR?

There is no charge for this service, but standard message and data rates may apply. 146 is EGR from when I was talking with the Service manager in Fargo at Freightliner. When I go into the manual, that code is coming up as EGR, but I can’t find the 001

If the fan shuts off when you turn off both blowers inside, it’s going to be an A/C problem. YES ! ! ! There is life after trucking. Freightliner century class engine fan stays on all the time. When ignition is turned on, the screen in dash will show active fault.

No, it is in the engine compartment, it is a sensor. A bad fan clutch solenoid is usually the first thing to look for but could be several things.

There is no charge for this service, but standard message and data rates may apply. 146 is EGR from when I was talking with the Service manager in Fargo at Freightliner. When I go into the manual, that code is coming up as EGR, but I can’t find the 001

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Ruth Doyle