The truck could just be burping out what it does not need. The coolant level in the radiator when cool should be just to the top if the coils. The remaining space in the top tank will fill as it heats up and coolant expands.


SWEET
Sergeant At Arms: Old Dominion Stovebolt Society
BUNS?!?!?!Where we're going, we don't need no buns.....
1950 GMC 450
1951 Chevy 1/2-Ton
The GreenMachine
In the Stovebolt Gallery