DURING THE COOLER MONTHS WHEN THE HEATER IS IN USE I GET A THUMPIMG NOIES IN THE COOLING SYSTEM I CAN PUT MY HAND ON THE RADIATOR HOSE AN IT WILL BE THOBBING WHILE ITS MAKEING NOIES IF I TURN OFF THE HEATER THE NOISE WILL NOT HAPPEN I HAD A MECHANIC CHECK FOR HEAD GASKET LEAK HE SAID CHECK OUT OK CAN YOU HELP
Feb 11, 2008 at 4:10 PM