Question about 1992 Buick Skylark
My heater core is hot but no air is blowing thru the vents, and the blower motor is working fine.
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Posted on Jan 02, 2017
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
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
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
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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