Petrol & Powder
Well-Known Member
.....you go to start a diesel tractor that hasn't run in days and the glow plugs will not cycle because the coolant is already hotter than the thermal cut off temperature.
OK, there was no need to even use the glow plugs but I'm accustomed to at least seeing the indicator light come on when I turn the key to the run position. My first thought was the bulb had burned out. Nope - just too damn hot for the thermal couple to even close while it was sitting there.
OK, there was no need to even use the glow plugs but I'm accustomed to at least seeing the indicator light come on when I turn the key to the run position. My first thought was the bulb had burned out. Nope - just too damn hot for the thermal couple to even close while it was sitting there.