Question about 1989 Pontiac Firebird

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Heater core on a 89 firebird , i need to know were the heater lines go into the fire wall, i have no heat in car

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Check area from center of firewall, over to drivers side for hoses/tubes.

Posted on Nov 19, 2009


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How do I change the heater core on a 2000 Pontiac firebird

Hi Rick,here's a link to replacing your heater core,I am doing mine right now on my 85 Nissan 720 truck. Repair Guides Heating Air Conditioning System Components Heater Core...

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Heater blows cold air no heat

There are three thing that can go wrong here. I will give you the two simple ones first. first, check to make sure the thermostat isn't sticking or stuck. if it is, change it. two, Hot coolant going from the engine to the heater core, is controlled by a valve at the engine(these do go bad). Check the line when the engine is warmed up by turning on the heater(I know), and feel the line after about 5 minutes. The line should get hot, or very warm. The third is your heater core is clogged and needs to be replaced. hope this helps you

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I fill up my radiator every time I start my car and the water comes out of a small hose that the air conditioner lines go into the fire wall of the car. this is not normal and need to know how to fix or...

This is caused because you have a bad heater core. The heater core is used to heat the car during winter.In order to fix this issue you will need to have the heater core replaced. I can tell you this is not a fun or simple job and is generally better left to the pros. However, if you purchase a Chilton's or Mitchell manual you can do this yourself, but prepare for hours of tight, cramped work. If you are in a hot climate and do not need the heater you can simply bypass it.

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Heater core hose bibb broke off at fire wall in

If the copper/metal hose broke free from the heater core, the heater core will need to be removed and replaced. let me know what size engine and I can send you the removal procedures. Big job!!

Mar 05, 2010 | 2000 Chevrolet Silverado

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Not blowing warm air

probably a bad rotating temp control switch loacted at center dash

Jan 08, 2010 | 1999 Chevrolet Blazer

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My 2002 ford taurus has no heat, i have replaced the temperature sensor, the water pump, 2 thermostats, heater core is not leaking antifreeze overflow bucket has new cap? what else could my problem be?

I have the same vehicle...check to see that the heater control valve is opening...usually mounted on the fire wall and has about a 5/8" inch hose that come from the esentially bypasses the heater core when the heat is not selected. The hoses going through the fire wall on the left (passenger) side of the vehicle are strictly for the heater - it "heat" is selected and those hoses are cold - based on what you've already done, the next conclusion would be the heater control valve...could be something as simple as a disconnected vacuum line.

Good Luck,


Nov 28, 2009 | 2002 Ford Taurus

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My heater doen't blow hot air

does the blower motor turn on. if so then check the heater core lines going into the fire wall when the vehicle is wam and feel if both are the same temp if they arent u may have a plug in the heater core preventing it from circulating thus no heat.

Oct 13, 2009 | 2006 Kia Sorento

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Heater not blowing warm air in 1996 pontiac firebird.

one of three things can be wrong, your water pump may not be working, if so your car will over heat.. if not, its either jus a disconnected vacuum line or your heater core could be going out

Jan 27, 2009 | 1996 Pontiac Firebird

1 Answer

No heat

The likely culprit is your heater core. Simple test: Let you car warm up to Operating Temp. Run the heater. Under the hood on the fire wall you will see 2 black hoses conected to 2 aluminum lines about a 1/4 inch in size, feel both of these if they are not the same temp than you have a clog in the core and as a result no heat in car.

Jan 18, 2009 | 2000 Jeep Cherokee

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I have little heat

the best way to clean out a heater core of gunk on a dodge neon is unhook the heater core lines from the fire wall after draining all the old coolant and then run a water hose to the heater core, do the top line first and then do the botom one after about a min. while the coolant is out replace the thermoustat.

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