Question about 1997 Jeep Grand Cherokee

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96 Jeep Grand Cherokee will not blow out hot air

The blower works but when you turn it up on high only cold air comes out. When its on low warm air will come out.

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  • Anonymous Mar 15, 2009

    96/ GRAND CHEROKEE WILL NOT BLOW HOT IAR''

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It's possible you are not getting enough coolant flow to your heater core. Try pulling the hoses off the core, blowing it out with air compressor, fill with water and blow out again. Try this about five times and see what happens. Alot of times these cores will plug up or have restricted flow. They will blow warm at low speed but it won't flow enough hot coolant through to stay hot on high blower speed.

Posted on Feb 09, 2009

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Posted on Jan 02, 2017

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1 Answer

2001 jeep grand cherokee,heat and a/c do not bloww hot or cold air


Bernard,

HVAC failure
the car has 2 classes of HVAC< manual and ATC
the blower must blow on high.??? does it on high?
if not, check fuses, for blower. (if lower speeds only fail say so)
the blower is dead,
then say if dash controls are Manual or ATC<
atc = automatic temp,controls with a dash thermostat et cetra.

the diagnostic path is different.
the ATC has self test too. .with over 30 errors possible.

use comments to respond, not a new post. please.

Dec 06, 2016 | 2001 Jeep Grand Cherokee

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1993?
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like Gemini 1 to Space X?


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Jeep Grand Cherokee is notorious for broken blend-air doors. This is the door inside the A/C-heater housing that switches the air from hot to cold. You must remove the dash to repair it.

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I have a 2000 Grand Jeep Cherokee Laredo (6cyl). It was blowing only cold/luke warm air. I replaced the thermostat. Still blowing the same only now the radiator cap is cold but hoses are hot. ...


It is likely you have air in the system. Park on an incline, take the radiator cap off, start the car, let it warm up until the thermostat opens, fill the radiator until it stops going down. See if that doesn't get you some hot air. If not, try the other steps I have in my post at http://www.fixya.com/cars/r6235876-no_heat_fan_blowing_cold_air . These are generic instructions. If you get stuck or need specific instructions for your car, please get back to me.

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Why would my 2002 Jeep Grand Cherokee only blow luke-warm to cold air when the fan is on high? First the heat went on the highest setting, so i used the second highest. Then it started to coll as...


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