how come one side of radiator does not heat up?
a 91 cummins 3.9 in a bread truck, new t-stat - 195 degree,
the radiator has been cleaned out by rad shop, ran it 15 miles
heat is good, temp shows ok, come back and check rdiator,
left side is nomal temp, the other side is ice cold
how come??
tim, February 2008