Hey this is my first post. I am an owner operator and I have a 2017 hino 268a. I drive over the road and I started to notice when my truck was doing the regen that the temperature was going almost up into the red. Then last week I was coming into Tennessee and while going up a long hill the truck started getting hot. On The highway I have no problems. I started noticing that the truck is getting hot when I get stuck in traffic or congested city streets. I noticed that the fan is able to spin completely free when the truck is off. The check engine light just came on so I'm going to scan it. I'm not losing any coolant. I believe that it's either the clutch fan, temperature sensor, or possibly a thermostat. I'm trying to see if anyone has any experience with something like this. I am quite a ways away from my home station and I'm trying to work my way up there by the end of the week. If anything I could do some repairs on the road.
2017 Hino is getting hot
- Thread starter JmRich
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- hino 268a overheating
Do you ever hear the fan clutch engage? The fan will roar. Fan clutch failure is somewhat common. While you're in there, make sure the radiator fins aren't clogged. They can get caked with dust.
That's why I'm leaning more towards the fan clutch because I can't hear it anymore. I used to hear it when I was coming up a hill. it would be loud and no I'm not. The only thing that's turning me away from that is because the check engine lights on but that also could be because it's getting hot I guess. last time the light turned on it turned off on its own. I didn't even get a chance to scan it. but my ElD isn't reading any faults either. when I get out of the truck I can take that fan and just spin it with my hand. no resistance. it's also why I feel like it might be the clutch
The CEL could be a million different things.
I'm pretty sure you need a fan clutch.
I'm pretty sure you need a fan clutch.