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.
What happens to the fan on a Cummins ISX?
If it fails fan stays on Hshappy2 Thanks this. There is a switch on the front end of the engine that is air actuated. If it fails fan stays on Click to expand… 77fib77 Thanks this. This is the best job I have had.
Why does my engine fan keep coming on when the a / C is off?
You could have a bad high press switch on the A/C. Thats the swtich that will turn the fan on when the A/C is on and say your not moving to get air flow. Unplug the swtich and put a jumper wire on it and if the fan stops you found your porblem. They can go bad and make the fan stay on even with the A/C off.
What are the warning lights on a Mercedes Benz?
The following are warning lights and indicators found in vehicles built by Mercedes Benz. Click a link to learn more about each one. They are roughly ordered by importance, which tends to be by color (red, amber, yellow, orange, green, blue, gray), but there are over 40 of them so be patient!
What is the voltage of the Selenoid on a Freightliner Century 98?
Discussion in ‘ Freightliner Forum ‘ started by crosstown, Jul 18, 2011 . have freightliner century 98 with detroit 60 and radiator fan runs continuously. The voltage to the selenoid is 0 v when harness connected and it is 13.7 v when disconnected.
Why does my Mack truck fan always stay on?
Most of the time 85% it’s on meaning it has no air in line to fan. I don’t know if the Mack’s work this way, but one of my F-Liners had a prob. like that and it was the A-C unit low on freon, even when the defroster was on and the A-C comp. would kick off an then the fan would kick off. But when the truck went up to temp. the fan would work OK
What does it mean when a car fan stays on?
It’s air operated, turns off when air is introduced and shuts off when it doesn’t. Most of the time 85% it’s on meaning it has no air in line to fan.
Why is my engine fan not coming on?
Discussion in ‘ Trucks [ Eighteen Wheelers ] ‘ started by US MARINE, Oct 6, 2012 . The fan will not engage . I replaced the following 1. Air cylonoid on the fire wall
What does it mean when your fan clutch won’t stop?
It’s air operated, turns off when air is introduced and shuts off when it doesn’t. Most of the time 85% it’s on meaning it has no air in line to fan. BMT Certified Know-It-All! I have a 1999 Mack Ch613 and my fan clutch won’t stop. Fan clutch it’s self is fairly new but I’m pretty sure that’s not the problem. I suspect it’s something electrical.
What should the air pressure be at the fan clutch?
Check for proper air pressure to the Fan Clutch. This measurement should always be taken at the Fan Clutch air inlet port. NOTE To assure maximum horsepower carrying capacity of the Fan Clutch and to prevent damage to the Fan Clutch, there must be a minimum pressure of 90 to 120 PSI to the Fan Clutch upon engagement. Steps 1-2 1.
What should I do if my engine fan is not on?
Without the fans on, the A/C will not operate, and the fan should shut off if that’s the problem. However, if it does not, I would use a volt-meter and check for voltage at the plug to the solenoid.
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
Why does the ECM keep the fan on?
the best thing is take it to the dealer have them hook it up and see why the ecm is holding the fan on. The ecm sends power to the solenoid to shut the fan off. Dont rule out the a/c if the expansion valve gets pluged it will hold pressure for a long time which can keep the fan on. tkilby Thanks this. Having a great time with TMC.