Question about 1997 Oldsmobile Cutlass Supreme

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Replaced thermostat but

Blows cold air and after it sits idleing for a little while it starts to over heat

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Chances are that you may have a blown head gasket that causes the overheating. look for bubbles in your radiator with the cap off

Posted on Dec 12, 2008

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Heater temp on high only bows luke warm air after driving. A/C works just fine.Plenty of cold air from it


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Jan 27, 2016 | 2000 Chrysler 300M

1 Answer

Heater not blowing hot air


Hi Chris, sounds like your thermostat may be worn and not closing all the way which would cause your engine to run cool at times. If you have a temp gage it should tell you if the engine is actually warming up or not. If not I would replace the thermostat.

Mar 18, 2014 | Ford Mustang Cars & Trucks

1 Answer

There is no heat from heater at engine idle speed.


I have to believe that your thermostat is still sticking....replace it and you problem should go away. Relatively inexpensive fix.

Jan 23, 2013 | Cars & Trucks

1 Answer

I have a 1995 GMC Sierra 500, the heat only blows hot when the truck is idling, when you get up to say 30 mph or 35 mph it will only blow cold air. What could the problem be?


It sounds like the engines thermostat is stuck open, when you idle the engine has little air over the radiator so the heater will work, but when you are driving lots of air and the engine runs cold. I am sure you just need a new thermostat.

Jan 25, 2012 | 1995 GMC Sierra

1 Answer

My heater, when parked and idle, cools down. The heater will heat again once I begin driving, but this is freezing me as I sit and wait for my kids at school. It blows cool air while I am parked and will...


It could be the electric fan is going on too easily.
The radiator and hoses should be almost too hot to touch.
And when cold, the fan should not really do on at all.
But the thermostat could be opening too soon also.
There are two hoses to the radiator, and when you start a cold car, only one should slowly get hot.
The other should stay cold until the thermostat opens, after the engine is good and hot.
If both start slowly getting warm at the same time, then you need a new thermostat.
And also make sure you have enough coolant in the radiator.

Dec 20, 2010 | 2007 Chevrolet Impala LS Sedan New Cars

1 Answer

I have a 1998 Dodge Durango SLT-V6 that has no heat.


The heater core might need back flushed, I just did mine this winter. Go to dakota-durango.com and introduce your self and your rare as ever truck, a v6 durango, and have fun.

Dec 21, 2009 | 1998 Dodge Durango

1 Answer

Heater blows a little heat


you need to replace the thermostat.... quick fix for now is to put a peice of cardboard or similar in front of the radiator to stop airflow.

Robert

Jan 05, 2009 | 2000 Dodge Durango

2 Answers

Heater blows cold air unless accelerating


1.maybe your thermostat is no opening or closing.
2. not enough Ant-Freeze
3. Low on water

With more details on the engine i may be able to help you more. for example what is the temp reading after it idles awhile or does it blow warmewr when driving ?

Dec 30, 2008 | 2000 Oldsmobile Intrigue

3 Answers

No Heat in 99 Taurus


Just finished fixing my daughters 1999 taurus heat. It would blow warm only when running down the road. At idle it blew cold. I started with replacing thermostat, and water pump because they are the easier fix. Still did not help. Then I replaced the heater core. A daunting job but not that hard to move the dash slighly out of the way to replace. There is a good write up at tarusclub.com. After that, heat was better but at idle, it would still blow cool sometimes. Researched and found answer. Park car on the steepest hill you can find with front of car up. Start car and take off reservoir cap. Let car warm up and keep rpms about 1500. After a while the fluid will come running out of the car and all over the place but it will bring air bubbles with it. Reduce rpm, add more fluid and repeat about 3 times. It will make a mess but after that, the heater works perfectly. We get heat long before the temp gage indicates any and it never blows cold unless you lower the temp.

Nov 21, 2008 | 1999 Ford Taurus

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