Why are my Hino trucks overheating so much?
Why are my Hino trucks overheating so much?
General lack of maintinence and drivers that are unfamiliar with the system or ignore it’s requests remain the #1 issue. If used properly, it works without incident. The 11-14 trucks also got a much bigger radiator, and that’s helping many of the overheat problems.
What kind of radiator does a Hino truck have?
The 11-14 trucks also got a much bigger radiator, and that’s helping many of the overheat problems. The older trucks radiators weren’t undersized, they were just able to conceal how dirty they really were getting. The hino turbo thread has pics of a good example. Good to see a tech speak out on what sometimes seem to be secret fixes.
What should I do if my Hino truck wont start?
If you change fuel filters and it doesn’t seem to want to prime, don’t pressurize the tank with compressed air. There’s a risk of blowing the shaft seal out of the fuel pump. This will fill the crankcase with fuel and blow up the motor, if it ever starts. Just refill all the filters and start cranking the engine.
Are there oil coolers that leak on Hino trucks?
The oil coolers leak. Three ‘D’ rings between cooler housing and block. Use right stuff Rtv, its tougher than the Hino stuff, and much less expensive. All 08-10 trucks with a Dpf : the intake throttle valve on all six cylinder engines have to be modified. If the black intake hose between the air to air is removed, look inside the intake.
General lack of maintinence and drivers that are unfamiliar with the system or ignore it’s requests remain the #1 issue. If used properly, it works without incident. The 11-14 trucks also got a much bigger radiator, and that’s helping many of the overheat problems.
What can cause a diesel engine to overheat?
The most obvious cause of engine overheating is if there is any type of issue with the engine coolant. You should perform the following checks since coolant is such a critical part of your diesel’s cooling system.
Why is the shunt line on my diesel engine overheating?
The shunt line prevents pressurized bubbles forming from the water pump, also known as cavitation, by providing a constant flow of coolant. When there is an abundance of boiled coolant in the system it pushes the coolant to the surge tank and into an overflow area called the expansion bottle or tank.
The oil coolers leak. Three ‘D’ rings between cooler housing and block. Use right stuff Rtv, its tougher than the Hino stuff, and much less expensive. All 08-10 trucks with a Dpf : the intake throttle valve on all six cylinder engines have to be modified. If the black intake hose between the air to air is removed, look inside the intake.
Is the Hino 258 overheating or pushing coolant?
I HAVE A 2006 HINO 258 WHICH IS OVERHEATING AND PUSHING COOLANT. IT WILL RUN FINE SITTING AT IDLE BUT WHEN ACCELERATED WILL PUSH COOLANT. HAS NO HEAT EITHER AND WHEN PULL THE HEATER CORE HOSES OFF GET NO COOLANT OUT. I CHANGED THE THERMOSTAT AND THE WATERPUMP.
The most obvious cause of engine overheating is if there is any type of issue with the engine coolant. You should perform the following checks since coolant is such a critical part of your diesel’s cooling system.
What can I do about my Hino truck overheating?
HINO’S ONLY ANSWER IS OVERHAUL BUT TRUCK RUNS FINE AND THEY CANT FIGURE OUT PROBLEM SO WHAT TELLS US THAT OVERHAUL WILL FIX PROBLEM? WILL NOT FLOW COOLANT TO HEATER CORE.
What happens if your Isuzu NPR, Mitsubishi Fuso, Hino or UD?
If the cooling system in your medium-duty Isuzu NPR, Mitsubishi Fuso, Hino or UD Truck isn’t working properly, the engine could end up overheating. If your engine overheats significantly, it may suffer extreme failure. To know whether or not your engine is overheating, and what might be causing it, you need to do some troubleshooting.
