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Probably a worn-out or clogged heater core.
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∙ 11y ago
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Why won't the heat get hot 1994 Buick Skylark Changed The thermostat but only blows out cool air?
Could be a clogged heater core. Just because it doesn't leak doesn't mean it's working right.
What could cause the engine to over heat on a 1990 Buick Skylark?
I would say that you are losing coolant somewhere hoses,water pump,radiator.
Why does the dual-zone front only heater only put out heat on the passenger side in a 1991 Buick Regal?
may be your heater control valve
What would cause the heat in a 1991 Buick Skylark not to get warm?
Thermostat possibly stuck open. Another possibility is the heater core is clogged. I would recommend you perform a complete cooling system service. Drain and flush the system with the heater set to high. Replace the thermostat, and install a 50/50 mix of coolant and distilled water. Bleed all air from the system.
What do you do if your 1988 Buick Century has no heat?
Check to see that the heat control is working, and water is flowing through the heater core. Make sure that the engine thermostat is not stuck open, and the engine coolant is full.
No heat on passenger side on 1997 Buick Park Avenue?
Old ducts not working properly, blocked or collapsed ducts, or vacuum problem not allowing passages to open
What could be wrong if the AC works but the heat does not on a 1991 Volvo 240?
THE COLD AIR WARM AIR EXHANGE DIVERTER DOOR IS NOT WORKING
Why is there no heat in a 1997 Buick Park Avenue?
there is no heat inside the car what is wrong ?
What can cause the heat to quit working in a 1992 Buick Roadmaster?
Possibly a bad heater core. Could be simple stuff though. Have you checked your coolant level? Sometimes those "doors" in the dashboard for the heat and a/c are not opening and closing properly.
You own a 1991 Corvette L98 What if the automatic heater control doesn't seem to be working car has no heat Has anybody had this problem possible programmer problem?
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No heat Buick park avenue?
There is no heat in my 97 buick park ave. why? the fan works an ac. an the temp says 90 degrees but still comes out cold.
Why do I not have heat?
the fan is working but no heat
