buckaroo1236
New Member
I HAVE A 2006 ITASCA 40 FT HORIZON MOTOR HOME. IT HAS A CUMMING,S 400 TURBO DIESEL ENGINE IN IT. I BOUGHT IT NEW. MY WIFE AND MYSELF TOOK IT TO THE MOUNTIANS AND IT STARTED OVER HEATING WHILE GOING UP STEEP INCLINES. I WAS GEARING IT DOWN, BUT IT WOULD STILL OVERHEAT. SEVERAL TIMES I HAD TO PULL TO THE SIDE OF THE ROAD AND WAIT FOR IT TO COOL DOWN. DOWN OUT OF THE MOUNTAINS IT RUNS JUST FINE NO SIGN OF OVER HEATING AT ALL. HAS ANY ONE ELSE HAD THIS PROBLEM. IT IS AT THE FREIGHTLINER DEALER AT THIS TIME. THEY INFORMED ME THEY HOOK IT UP TO THEIR COMPUTER AND ALL THEY COULD TELL ME THAT I FAILED TO GEAR IT DOWN. I GEAR IT ALL THE WAY DOWN SOMETIMES TO 3RD GEAR. RESULT ALWAYS THE SAME OVER HEATING. THANKS FOR ANY REPLEYS ON THIS MATTER.