White steam when heat is on high heat not running hot, heats hot asno other issues heats

Asked by GuruXVCFJ Oct 15, 2018 at 03:52 PM about the 2002 Chevrolet Avalanche 1500 4WD

Question type: Maintenance & Repair

I have never had trouble with it b4 always hot heat
qith no issues but this year 1st time n continuing to
blow white looking steam from heater vents only
with dail on hot. Its so baf looks like its on fire cant
see out the window n it foggs windshield on hot.
The heats hot,there there is no overheating runs
perfectly. Seams like heater core but its not loosing
antifreeze n heats as hot as it ever was.   if dails
turned down off of hot hot doesnt do it. Any ideas

3 Answers

GuruXVCFJ answered 5 years ago

Yeah thats what i figured but theres no antifeeze smell no film on window or anything the floorboards are not wet the coolants level hasnt dropped nor does it run hot n u can turn it up hotter just not the last click

Mark helpful

GuruXVCFJ answered 5 years ago

I drove it 116vmiles today i think it may be leaking under the dryer off the cab its got a little film under the alu

Mark helpful

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