2002 Buick regal is blowing cold air fron the heater

Asked by Dec 15, 2013 at 12:34 PM about the 2002 Buick Regal LS

Question type: Maintenance & Repair

Cold temp is not overheating, blower is working, 1 hose coming through the fire wall is hot one is cold after car is left running for awhile, no wet floor on passengers side, and no smell. ?????????????

3 Answers

21,795

sounds like the heater valve is inop- in the old days, the valve was turned by a cable connected to a lever on the dash or console- mechanical- yours probably has an electrical switch to activate it- I would start there

1 out of 1 people think this is helpful.
1,975

if one hose is hot, and the other is cold your heater core needs to be flushed. the antifreeze is not completely circulating through the heater core. its not leaking but its not getting hot either. one line should be hot, and the other warm

2 out of 2 people think this is helpful.
1,975

btw it doesn't always pool up in the passenger side of the floor anymore. there is a plastic elbow comming out of the fire wall on the passenger side this is called the "vent tube" and antifreeze tends to pool up in the bottom side of the cover and get blown or leaked out of this vent tube. watch for antifreeze drips but i dont think thats it. i believe your heater core needs to be flushed

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