Question about 1999 Oldsmobile Bravada

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Not getting heat from heater - 1999 Oldsmobile Bravada

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I had the same problem and found out the red coolant that gm was using was clogging up the heater core.
You need to have it flushed and new coolant put in other than the red coolant

Posted on Nov 08, 2009

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Check your thermostat. Could be stuck open. Or, if you bought it used, it may even be missing. Also, try flushing out your heater core with a garden hose. Put the hose on one pipe until the water comes out clear. Put it on the other and do the same. Do this 2-3 times.

Posted on Oct 06, 2009

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What would not allow my heater not to give me heat.the temp. is reading in the ok range-not running hot,but no heat coming out of the heater.


Is it a GM prouduct? If so it is a bad heat sensor and/or activaters that controls the interior heat and cooling..a common problem with GM ..need to have them checked out...can be an easy fix like defective operating arm or an expensive one if the problem is the door inside the heat/cooling compartment..hope this helps..good luck.

Mar 02, 2015 | Cars & Trucks

2 Answers

Heater not working blows but no heat


Oh no! What do you do when your car heater not working? How do you figure out why there's no heat in car? What if you have no heater in car? Before you start trying to figure out how to fix car heater yourself, you should know a little about how your car's heating system operates. That will help you to figure out your car heater problem and why your heater isn't working properly or even at all! So, let's talk about how your heating system functions and then about some of the more obvious reasons that it you may be getting no heat from car heater. In order to heat up the inside of your car, the heating system uses some of the excess heat produced from your engine. Actually the engine produces so much heat that if you didn't have a way to release it (the heating/cooling system in your car) it could harm and even destroy the engine! That is why the heating/cooling system is set up to remove some of the heat and keep your car running smoothly.

Oct 05, 2012 | 1997 Lincoln Continental

1 Answer

929 Mazda (1992) No Heat But A/C Works I have a 929 Mazda 1992 year. Does not blow any heat. I noted that the 30 amp fusible link for the heater was busted. Replaced it but still no heat. A busted fuse...


First check your fluid in your radiator if its low your heater will not work. Check all your heater hoses and make sure they are not kinked.
Your heater core may be plugged That will stop the heat flowing as well. If it's the heater core it will have to come out and replaced most likely. Not sure if there is a heater valve on that car.

Mar 05, 2017 | 1992 Mazda 929

1 Answer

Heater hoses do not get hot.Have replaced thermostate and still do not get heat inside the cab,What can I do?


Try this trick take the hoses off the heater core and flush it out with a water hose to get the airout the heater core.don't do it with the car running.goodluck

Dec 04, 2011 | Cars & Trucks

2 Answers

My heater radiator is busted can i us ac heatre radiator for heat


The heater radiator (heater core) is what supplies the heat inside the cabin. The A/C core (evaporator) only cools the air, will not heat it.

Dec 23, 2010 | 1998 Jeep Cherokee

1 Answer

I cant get much heat in my 2000 chevy venture


check if your thermostate is working... is it having troubles getting to operating tempurature?
check your heater lines that run to the heater core and see if there is heat getting to and from the heater core if the thermostat is running properly...
if you have heat running to and from the heater core then check and make sure your heater controls in the van are switching between defrost and heat and floor properly
could be a heater box problem ....
when i had the same problem with my venture it turned out to be a plugged heater core and i replaced it

Dec 07, 2010 | 2001 Chevrolet Venture

2 Answers

The heater blows cold looking for heater fuse or selenoid to try to fix


if the heater is blowing cold then it is not a fuse
it is probably your thermostat or heater core
but i will change the thermostat first
and bleed the heating system also

Dec 05, 2010 | 1983 Chevrolet S-10

2 Answers

We replaced the thermostat and still no heat. We unplugged the hoses to the heater core and water would run through the core. I still have no heat.


Check the heater hoses,if they are both getting warm,then there is a temp door not opening inside the blower box,It may be cable driven on this model,just look and see,you can move it manualy with your hand to get the heat.

Jan 08, 2010 | 1988 Toyota Pickup

2 Answers

Heating in my 95 honda accord


it is the heater core ask auto zone to help u out

Nov 27, 2008 | 1995 Honda Accord

1 Answer

No heat


FROM LUSTYKID:

Check to make sure your control lever is not disconnected. First

Second:
Check the motor controlling the heat cold/hot DOOR window. Sounds like its in the cold position, thus you are not getting the heat. The door needs to move and shut off the cold intake so that the air is passing through the heater core.

The third item is, although you flush the heater core, it can still be clogged up, in which case you will have to replace it. You probably flush the tanks of the heater core. Think of it as a miniature radiator. The tanks get clean, but unless the hot water passes from one end to the other through the vanes there is not heat, because the heater core is not getting hot.

Nov 09, 2008 | 1997 Ford Windstar

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