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.
How does the Hino quick reference guide work?
The Quick Reference Guide is designed to help you quickly look up parts for commonly ordered parts. The format has been changed from previous years. The main sections are in alphabetical order but the Sub-sections are not. The PART NAMEis listed in the first column.
What to do if your Hino heater overheats?
WILL NOT FLOW COOLANT TO HEATER CORE. ALSO, HINO REMOVED RADIATOR WHICH I BOUGHT FROM THEM LAST YEAR AND SENT IN TO HAVE FLUSHED AND STILL NO HELP, HAVE FLUSHED ENTIRE ENGINE AND NO FIX. PULLED VACUUM ON SYSTEM WHEN REFILLING WITH COOLANT.
What are the five groups of Hino parts?
HINO uses five major groups. Engine – Electrical – Drive – Cab Rear Body and Chassis/Tool The sixth column is the FIGURE #that the part can be found in the Hino Electronic Parts Catalog and is helpful if you need other parts in addition to what’s listed in the Quick Reference Guide. See the example shown above from the EPC.
Is there a problem with my Hino truck?
TODAY I PULLED INJECTORS, PRESSURIZED COOLING SYSTEM AND LOOKED INSIDE CYLINDERS FOR COOLANT WITH SCOPE, NO COOLANT AND NO PRESSURE LOSS. 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?
Why is my Isuzu NPR water pump leaking coolant?
Likewise, radiator and heater hoses become weakened by the high pressure that they sustain until the hose ruptures and leaks coolant. Just before the water pump fails, it will often leak cooling fluid from the weep hole on the bottom of the pump. There are also a few places around the engine where gaskets can leak coolant.
How can I tell if my Hino truck has a head leak?
If not, it is easy. Put a pressure tester on the system. Remove the hand pump side. Fill a 2 liter bottle with water. Insert the hose end of the pressure tester into the bottle. Start the truck and watch for bubbles. Small bubbles ind a EGR leak. Large bubble indicate a head leak. You can have a EGR leak and not show signs of coolant.
What to do if your Hino is overheating?
A lot of these Hino’s use a valve for the heater so check with that. On the cap, pressure test it and make sure the cap isn’t bad. Are you familiar with the bottle method to test for cooler and head gasket leaks? If not, it is easy. Put a pressure tester on the system. Remove the hand pump side. Fill a 2 liter bottle with water.