Question about 1992 Buick Skylark

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Heat not blowing thru vents on 1992 buick skylark

My heater core is hot but no air is blowing thru the vents, and the blower motor is working fine.

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: heater core replacement

OK, Ifound the problem with mine. Dont unplug your air dryer. I checked the 2 hoses coming out from the heater core and still one was hot and the other not hot. The top one comes from the radiator fill tank and the bottom one comes out of the core and goes around to the front and into the water pump. I disconnected both close to the core and could runwater through both directions so upon further examination, I disconnected the hose at the water pump and no water flow. The hose was plugged up with something. Once I cleared it with a hanger and reconnected it I had water flowing through the core and great heat. Hope this is your problem too as it is aneasy fix

Posted on Oct 23, 2008

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playon186
  • 45 Answers

SOURCE: how to replace a heater core out of 97 buick skylark

There is a free way to find out where it is which is what you'll have to do first, go to any parts place which should have a diagram or they can just tell you over the phone. i will tell you this, hope that it's on the passenger side because if it's on the driver side you will need to pull the dash to get to it. If it's on the passenger side like the blower motor you can just drop the glove box door down to get to it. It looks like a little box woth two or three small hoses or pipes going to it which are failrly easy to disconnect. Hope this helped, good luck!

Posted on Nov 04, 2008

SOURCE: 1998 buick park avenue drivers side blows cold, passenger side hot

sounds like the drivers temp door actuator is not working should be located on the drivers side of the air box down by the gas pedal or center dash area.

Posted on Nov 06, 2008

  • 16 Answers

SOURCE: Buick LeSabre 2002

just one idea my freinds buick if it gets low on antifreeze it will not blow hot air maybe you can check the antifreeze level

Posted on Mar 20, 2009

  • 3 Answers

SOURCE: heater on 2003 Buick Century only works when the rpms are up

Your likely problem is low coolant level. Check to make certain that your coolant level is topped up in the radiator and that coolant is also in the reservoir at the appropraite level as shown when on container when the engine is hot or cold. When the coolant is low, you have to have higher RPMs to get the coolant to pump through the system and heater core.

Posted on Apr 05, 2009

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1 Answer

I just bought a 1995 Skylark. He told me when i bought it there was a box under the dash that the heat hooks up to that is missing. The heat still gets hot but does not blow out of the vents. There ar


I am not familiar with that particular car, however, you may find the ducts are missing from the heater to the dash outlets. Look under the dash to see if the hoses are intact. Another possible problem is the solenoid that operates the air valves may be stuck, or do not have proper vacuum to operate. So many things it could be. The dash controls may not be operating correctly, a vacuum hose loose, blockage somewhere in the plenum or ducting. These are all things to check. I hope this is helpful to you, and will get you on the right track.

Oct 09, 2014 | 1995 Buick Skylark

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Everything seems to work??? still no heat?


dirty heater coil, clean it out so the hot air will travel thru

Dec 18, 2013 | Cars & Trucks

2 Answers

Heater blowing out cold air


Several things.
If the heater hoses are hot, the problem could be a blend door under the dash. The blend doors direct air thru the heater core and out the vents.

Jan 24, 2013 | 2005 Dodge Caravan

1 Answer

No air blowing out of vent


The thermostat only controls how hot the engine gets.
It could be the blower motor, or a blend door under the dash.
You would need to check the blower motor for power and ground, if it is running a door may be stuck closed.
The blend doors direct air thru the heater core and vents.

Jan 11, 2013 | 2003 Chevrolet TrailBlazer

1 Answer

1995 buick skylark no heat


First check your fuses .. make sure it is not blown ....Otherwise if fuses are ok ..Your Heater core is probably going ..or gone or you attenuator valve is not opening vents to let heat in ? is the floors/carpets wet ? especially on passenger side front or is the windows foggy wet ? Then you you need a heater core

Nov 27, 2012 | 1995 Buick Skylark

2 Answers

Imy 98 buick is overheating the water comes out from the pasenger side inside da car..right under the glove box


That is where your Heater core is located. Its like a little radiater that your vents blow thru to get hot air for heating your interior. If thats leaking, its not gunna stop. Take this car in right away before you run your coolent dry and trash your car.

Jan 10, 2011 | 1998 Buick Century

1 Answer

Heater heats but does not blow. Is the Heater core fused


So the blower motor doesn't work? if so check the link below.

blower motor does not work


Or the blower motor works but there is not very good air flow out the vents? If so it was pretty common on the older GM's for the evap core to leak and cause a bunch of debris/dust/dirt to stick to it causing airflow to slowly be limited as it became covered in dirt. Sometimes you can remove the blower motor and clean the evap core to regain some air flow.

Nov 21, 2010 | 1992 Oldsmobile Cutlass Ciera

1 Answer

2005 Grand Prix heater works fine when blower is off-air coming thru vent gets hot; once blower is turned on air turns cold. Why?


Sounds like a clogged heater core- insufficient coolant circulating through heater core, and as soon as you blow air past the core, it get cooled off.

Jan 09, 2010 | 2005 Pontiac Grand Prix

3 Answers

My heater is not working in my 2001 honda civic. Is it my thermostat?


Does the heater blow cold air from the vents or do you mean the there is no airflow from the vents? cold air from the dash vents when the heater control valve is set fully hot could be an air pocket in the cooling system. The radiator sits slightly lower than the engine causing air pockets to get trapped in the engine when you replace the coolant. you'll have to purge the cooling system to restore flow to the heater core. No airflow (blower motor inop) this could be a bad blower motor transistor. pin test the blower motor circuit.

Jan 06, 2010 | 2001 Honda Civic

1 Answer

Warm air blower


Steam coming through the air vents indicates a leak in heater core. The heater core is like a small radiator that is used to heat the inside of your car in the winter time. The blower, blows air through the heater core and into the inside of the vehicle. The steam you are seeing is the hot coolant leaking from the core.

- Jim

Jul 17, 2008 | 1992 Audi 80

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