Thinking that I had an airlock in my heater (coolant is not circulating) I drained the radiator and tried to flush water through the heater with a garden hose after removing both heater hoses from the motor. Wont circulate either direction. Am I looking at a plugged heater core???


'58 3600 350/4-sp/stepside/big window cab
'59 3100 235/4-sp/stepside