hui New Member Nov 11, 2006 #1 new radiator, thermostat and rad cap. good heat when under 40 mph. when i speed up or slow down heater goes cold. flushed out about 10 times, tried every thing any one any ideas apart from a new tug would be greatly appreciated
new radiator, thermostat and rad cap. good heat when under 40 mph. when i speed up or slow down heater goes cold. flushed out about 10 times, tried every thing any one any ideas apart from a new tug would be greatly appreciated