Question about 1993 Saturn SL2

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1997 sl2 inside heater barely heats

This winter I can hardly get any heat inside. I changed out the thermostat and the heat gauge now comes up half way but still can't get hardly any heat to blow into the car.

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  • Net_Surfer2 Jan 10, 2009

    I have the same problem!

    1997 sl2 inside heater barely heats problem!

  • neuar06 Jan 17, 2009

    I have a 96 Saturn SC 1 Heat is barely warm new thermostat, flushed system.. First time it happened recently head always was blazing before..



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What temp thermostat did U put in????? Check and see what thw manufacture call for you car. Also check to see if any leaves are in your heater box, which is stopping the air flow. Some cars have and air filter on the inlet duct. It could be plugged. Check this out also.
Take the 2-heater hose off where the water goes into the heater coil. Back flush it with your home water hose, the oopposive direction that it normal goes. It can get stop-up. You can also flush your whole system by empting the radiator and put a can of old time comet into the radiator, and fill it also with water, let it run for 1-hour, the empty a,d fill with water 2 more times. Fill it back with antifreeze and go with it. This should clean everthing.

Posted on Feb 14, 2009


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1 Answer

When the gauges in my truck fluctuate and the heat doesn't come on the way it should,does that mean the thermostat needs to be replaced?

You can replace the is relativity inexpensive to will lose some of the antifreeze from tne top of your engine due the thermostat being a little lower then the top of the radiator..HOWEVER....Having a GM truck I believe that you have two separate the heat not coming on properly..your inside the car heat system works by sensors and activation mechanisms that work/move the doors within the heat/cooling housing..The common problem is the activater that moves from heat to cool visa/versa is defective or tne inside door is not operating properly...the activater is not to much of a job just above the gas pedal on the end of the heat/cooling housing..the other..door is on tne inside and quite a job to get at...The other gauge problem,if more the one of the gauges are fluctuating it is your computer board electrical system powering the gauge cluster..A COMMON PROBLEM ON GM AND CHEVY TRUCKS AND VANS..they can be re-calibrated but must be removed...if only the heat may be your heat sensor on the engine block..again not a hard or expensive job..but is an important controls the the fans that cool the engine and senses the temp of the water going to your heater core...A defective one could be sending false readings to your inside heat sensors in the cab..I.E heat not coming on first bet would be CHANGE THE HEAT SENSOR.. Then go from there.Hope this helps..good luck

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Temp gauge stays cold

If the thermostat is bad (i.e. stuck open at all times), this would allow coolant to circulate in the engine even when it is below the desired operating temperature. This leads to OVERcooling of the engine. You can either replace the thermostat as a first step or remove it and test it -- closed when cold, open when heated above 190-200F.

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My heat in my 1992 gmc jimmy barely comes out and barely any heat. My car barely heats up in the winter as it is. And i have checked the water levels and everything. So i was wondering could the problem...

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Have 95 850 volvo..heat gauge barely moving up..takes long time for any heat to come on inside..think it is thermosat. How hard is it change this and is is hard to do?

Very easy. Follow the top hose from the radiator to the engine. The Tstat is under the flange at the end of the hose. Two 8mm torx fasteners holds it down. Remove the flange, take out the old thermostat and relpace with a new thermostat and gasket. Refit flange and top up coolant. You will have lost very little because the unit is so high up. Do this while the engine is cold of course.

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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 and introduce your self and your rare as ever truck, a v6 durango, and have fun.

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1997 Chevrolet Cavalier

your radiator could be getting stopped up. also water pump could be weak. during summer though you have electric fans that should be working. need to check. you can purchase some stuff called water wetter by redline racing oil that will drop water temp 20 degrees which is substantial when a thermostat is usually 180 to 190 and boiling is 212.

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Heater is not getting hot anymore!

Hi Phyllis, it sounds like your thermostat is stuck open, which results in the engine not being able to maintain operating temperature. This would explain the lack of heat. For your car to run at peak efficiency, u need to replace the thermostat, and enjoy having heat again!

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1 Answer

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you may have a vacum leak under the hood or dash. you may find this usually isnt that hard to fix. also look under the dash and try to find the blend door. move it to heat with your hand and see if you have heat then. good luck .

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2 Answers

97 dakota barely warm heat

If replacing the thermostat dosen't work ,It is most likley the heater core.Don't worry it's not as bad as you think.You will need to flush it out.Disconnect the hoses from the firewall, in the engine compartment.You will find them to the left of the brake booster.A 5/8" garden hose will fit with the end cut off.You may want to place a length of hose on the opposite tube as well.Turn on the water and flush it for a few minutes.Reverse the water into the other hose to back flush.Reconnect the hoses and you should have heat.

Oct 14, 2008 | 1997 Dodge Dakota

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