Why does my Mack truck fan always stay on?
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
Why does my fan clutch keep coming on and off?
Fan clutch stays on. Fan clutch stays on. 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. Some times driving down the road I hear it come on and off about 3-4times per Second, like if has a faulty relay or sensor.
Why does the pressure switch turn on the fan?
BMT Certified Know-It-All! Just because your not using your a/c doesnt mean the a/c presure switch is having issues , the pressure switch will turn on the the fan even if a/c is off and need to check ecu module connections for contamination rust ,coolant oil , fuel .
Why does my cx613 e7-460 keep running?
Prior to buying my 2000 CX613, E7-460,I had the truck checked out by a Mack dealer in Oregon where the truck was located. One of the problems was the fan running all the time. Service said they replaced a fuse and that stopped it. Now, 6 months later it is still operating properly. I do not know which fuse it was but I hope this is of some help.
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
Why is the a / C not working on my Mack truck?
The A/C quit working all fuses are good new switch was just replaced the dealership said some box in the dash is bad $1400.00 to replace it plus 10 hours of labor to do it,???? That about the amount of to switch an engine !@@?,” 2 weeks later…
Where is the fan clutch on a Mack truck?
Marked fan clutch 15a. If that is the fuse with no power, it comes off power relay #3 inside the cab behind the glove box area. Thank you now I have all info needed.
Fan clutch stays on. Fan clutch stays on. 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. Some times driving down the road I hear it come on and off about 3-4times per Second, like if has a faulty relay or sensor.
