Question about 1997 GMC Jimmy

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1997Gmc jimmy Heater not blowing air out. I can feel the heat but will not blow on low-high?

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  • Anonymous Jan 18, 2009

    heater is not turning on, ive replaced the switch but it still wont work. Only turns on every so often.

  • Alex M
    Alex M May 11, 2010

    Have you checked the fan, it may be worn out and binding occasionally.

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I had the same problem no heat when all else fails check your water pump! It caused my heater not to work!

Posted on Jan 20, 2009

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Blows cold air turn heat on


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    Oct 10, 2009 - When a car heater blows cold air, there are several possibilities that should ...... On my Dodge Neon when I turn on the heat it blows out cold air.

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    ... Cadillac, Chevrolet, Chrysler, Dodge, FIAT, Ford, Geo, GMC, Honda, Hummer,Hyundai, Infiniti, Isuzu, Jaguar ... I'll turn up the temp on the dual control to get heat,

Jan 28, 2016 | 2005 Hyundai Tucson

1 Answer

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


heater blows cold air idle chrysler 300 Questions & Answers ...

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Find solutions to your heater blows cold air idle chrysler 300 question. ... blow warmair for a few mins then back to luke warm. i replaced thermostat ... HEAT BLOWSCOLD AIR WHEN IDLING ONLY GETS HOT WHEN START DRIVING ... About 15 minutes after driving the diver side vents start blowing straight cold air but the ...

Heater only works when pressing the gas? - DoItYourself.com ...

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Nov 3, 2011 - When I press the gas, the air from the vents is nice and hot. .... So am Idriving a car with a ton of problems, or could the power steering ... Just anotherquestion, when warmed up does the engine temperature ... When the heater is on and I'm not pressing the gas pedal, luke warm air blows from the vents.

Heater blows cool air when stopped and warm air while ...

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RedditFeb 12, 2014 - Heater blows cool air when stopped and warm air while driving 2008 Kia Spectra (self. ... just fine but appears to blow cool air when I was stopped at a stoplight. ... My temp gauge would also be pegged high when at idle / low RPM. ...thermostat only blocks coolant going to the radiator, and the heater core, ...Missing: 300m ‎luke

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Jan 27, 2016 | 2000 Chrysler 300M

3 Answers

My 2000 jimmy has heat problems. the heat goes from cold to hot to warm to cold etc. what could the problem be?


If the temp gauge is now more stable, the problem is in your heater system, not the engine cooling system.

Sep 12, 2014 | 2000 GMC Jimmy

1 Answer

2002 jeep liberty heat only works at high rpm


Sounds like low flow issue. Flush and clean system, PROPERLY! Buy a flush kit, drain system, blow compressed air through, fill with cleaner/water mix, run for 30 min with heat on, drain system, blow out with compressed air, fill with water, run for 30 min, drain, blow out with compressed air, fill with 60% coolant mix.

Nov 26, 2013 | 2002 Jeep Liberty

1 Answer

Heater blows out cool air only


Could be a stuck thermostat... or low coolant level. feel hoses going to heater core, if only one is hot while car is warmed up. i would say the heater core is plugged because this is where you get the heat for inside of car ! hot coolant goes through heater core and a fan blows it out to heat inside of car. if both are hot then the heater core is ok.

Oct 20, 2011 | 2000 Pontiac Bonneville

1 Answer

My heater won't blow out any air unless it is on high with the fan blowing.


Hello let me verify.
1 heater wont blow out warm air unless on high?
possible clogged airfilter.low on coolant or antifreeze.

2 heater wont blow any air unless on high?
Could be a bad switch low ane med do not work.

Jan 14, 2010 | 2005 Jeep Grand Cherokee

1 Answer

Warm heat not hot


Check antifreeze level, if it is low coolant may not flow through heater core. If coolant level is ok feel the heater hose with engine running at normal operating temp and heat on high, if one hose is much cooler than the other you have a bad heat control valve or a pluged heater core.

Oct 15, 2009 | Pontiac Grand Am Cars & Trucks

3 Answers

2000 GMC Heater Problem


I had problems with a similar truck,a 1998 GMC diesel after checking to make sure the control cables were operating the blend door and blowing the mess of the heater core,I replace the thermostats.Still no heat turns out there was a small amount of debris collecting in the fitting for the inlet hose at the thermostat housing after removing it and blowing out the lines the heat was fine.

Nov 19, 2008 | 2000 GMC Jimmy

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