when i am driving fast or slow my ford iveco 17 tonner over heats i have flushed through the radiator and put in water coolant i have also checked the thermostate and pressure and it is all good. It over heats mainly when i have a full load which is 8 ton, when over heating occures a red light comes on i stop and let it cool down until i can drive again. How would i resolve or fix ths problem.
Ask a truck specialist to check for a leaking cylinder head gasket, I think. Mind you, if the radiator is badly blocked, no amount of flushing will clear it. Feel the rad when the engine is hot - there should be no cool areas.
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