Question about 1999 Oldsmobile Alero

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No heat It has antifreeze, and it starts to get warm then it just starts getting cold again. What else could be wrong?

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Posted on Nov 23, 2013


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Posted on Jan 02, 2017


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3 Answers

How do I get my 1999 dodge Durango to have heat?

sounds like you need more antifreeze , make sure fluid is at proper line on overflow tank

Feb 24, 2015 | 1999 Dodge Durango

1 Answer

I have a 99 oldsmobile alero 2.4 engine. it froze up. i drained it after it thawed and filled w antifreeze and water. now its overheating and heater is blowing cold air. what could be wrong?

check the oil and see if there is water/antifreeze in there, the oil will be milky, if it is you will need to rebuild the motor or else get another depending on what froze up. Also, something else may still be frozen up, park the car inside a heated garage and let it warm up for a few hours and then try run it again, there may be ice blocking the coolant from getting to the motor from the radiator.

Nov 28, 2014 | Cars & Trucks

1 Answer

When cold weather warming up car takes a long time to heat up blows out cold air then after you drive for a while it warms up

sounds like the thermostat might be stuck open. the engine uses hot antifreeze to heat up the inside of the car if the thermostat is stuck open all of the antifreeze will be circulating all the time and it will take a long time to heat up. I would try to replace the thermostat

Feb 16, 2011 | 1998 Chevrolet Blazer

1 Answer

Changed a frost plug on a 99 jeep cherokee and used new antifreeze and now gettin lil warm instead off hot heat inside ...why?

You have an air bubble in the coolant system. When the engine is cold, loosen the radiator cap to the first notch. Start the engine and warm to operating temperature. Turn the engine off and top off the radiator and overflow tank. Tighten the radiator cap and allow to completely cool down. After the engine is cold again, top off the overflow tank. The heater should work properly.
Good luck.

Feb 01, 2011 | 1999 Jeep Grand Cherokee

1 Answer

My heater starts heating & then it suddenly quits & starts only blowing cold air. Is my heater core also clogged or is it something esle?

I'm thinking your cooling system has air in it. If you have recently drained and refilled the radiator, then that is probably what's wrong. I'll be brief, and tell you how to get rid of the air. Put the heater control on hot, fan off. Remove radiator cap. Start engine, let it warm up. Watch the coolant level in the radiator, when the thermostat opens the coolant level will drop. Add antifreeze to bring it back up to full. It will drop again. Add more antifreeze. Continue to do this until the coolant level no longer drops and the coolant is flowing good. Put the radiator cap back on. and see if the heater is working better.

Jan 08, 2011 | 1996 GMC Sonoma

1 Answer

We get NO heat when the car is idling. We we use the remote start the motor warms up but there is NO heat to the car. When we start driving then we get normal heat, until we stop at a stop light...then brr...

check your antifreeze level. It's probably low. if you add to it and it doesn't fix it you may have air in the system. Wait for the car engine to cool, remove radiator cap and start engine. the fluid will start coming up and you should see bubbling. Shut engine off before it overflows. if you didn't see any bubbling there likely wasn't any air in the system. if there was bubbling fill the antifreeze to fill line again and repeat process until no more bubbling. make sure to let engine cool before taking off cap.

Dec 13, 2010 | 2008 Chevrolet Impala

2 Answers

Heat problems

change your coolent...and do a back fulsh on your heater core that should do the trick..

Oct 30, 2009 | 2000 Ford Windstar

1 Answer

1998 Tercel Cold heat to the windshield. Lukewarm out front vent.


I just replaced my thermostat in my car due to the same problem. Except mine was a 92. I figured I'd start with the thermostat and antifreeze. Then the heating core. Now I have heat.

But yet I still have no heat on the windshield.

Oct 23, 2009 | Toyota Tercel Cars & Trucks

1 Answer

Heat dosent work

when you mean cranks do you mean the blower runs or heat comes out for 5 sec,if its the latter than the heatcore is plugged or water pump is weak if its the water pump then increasing the rpm's the heat will warm up,look into the overflow tank or radiator and if anything looks like pudding than someone has mixed orange and green antifreeze and plugged up the cooling system

Jan 10, 2009 | 1995 Jeep Wrangler

1 Answer

Heating problem 1995 dodge caravan

is there any antifreeze or coolant in the system at all? how could it freeze up?? somethings missing here

Nov 24, 2017 | 1995 Dodge Caravan

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