Question about 2003 Jeep Liberty

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Heat only gets hot when car is moving

When at red light cool air starts coming out when you warm your car up air conditioning comes out untill you start moving then heat starts

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  • mistybreault Dec 05, 2008

    thank you you where right on the money great

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I had a similar problem with my 03 liberty only got hot when I accelerated and gets cold while at stop then hot again as you drive never hot while Idle. Do what I did changed out radiator $120 and fan motor sensor $12.00 located under glovebox. All works fine now. You can have your system pressure checked but why waste $60 at radiator repair facility when the radiator only cost $120 or less new from any major distributor I assuming your fan only works on 1 and 4 as well. This is according to the parts supervisor at JEEP a common related problem for all 02-06 Liberty's so there you have it two birds with one stone.(LOL) Hope this info will help get you out of the cold. Please rate me. And if you need further assistance you can always ask me.

Posted on Apr 25, 2009

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Make sure that yo have coolant in the radiator and at he reserve, sounds like you have a internaly damaged water pump and a loose drive belt to the water pump

Posted on Dec 04, 2008

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Air condition


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Dec 29, 2015 | Cars & Trucks

Tip

Tips for operating Air conditioning system on Toyota Hilux and someother...


To cool off your Toyota after it has been parked in the hot sun, drive with the windows open for a few minutes. This vents the hot air, allowing the air conditioning to cool the interior more quickly.

Make sure the air intake grilles in front of the windshield are not blocked (by leaves or snow, for example).

On humid, do not blow cold air on the windshield. The windshield could fog up because of the difference in air temperature on the inside and outside of the windshield.

Keep the area under the front seats clear to allow air to circulate throughout the vehicle.

On cold days, set the fan speed to high for a minute to help clear the intake ducts of snow or moisture. This can reduce the amount of fogging on the windows.

When driving on dusty roads, close all windows. If dust thrown up b the vehicle is still drawn into the vehicle after closing the windows, it is recommended that the in intake be set to FRESH and the fan speed to any setting except "OFF".

If following another vehicle on a dusty road, or driving in windy and dusty conditions, it is recommended that the air intake be temporarily set to RECIRCULATE, which will close off the outside passage and prevent outside air and dust from entering the vehicle interior.

HEATING

For best results, set controls to;
Fan speed ---- Any setting except "OFF"
Temperature----Towards WARM (red zone)
Air intake ---- FRESH (outside air)
Air flow ---- FLOOR
Air conditioning ---- OFF

For quick heating, select recirculated air for a few minutes. To keep the windows from fogging, select fresh after the vehicle has been warmed.

Press the "A/C" button on for dehumidified heating.

Choose floor/windshield air flow to heat the voltage interior while defrosting or defogging the windshield.

AIR CONDITIONING

For best results, set controls to;

Fan speed --- Any setting except 'OFF"
Temperature --- Towards COLD (blue zone)
Air intake --- (outside air)
Air flow --- PANEL
Air conditioning --- ON

For quick cooling, move the air intake selector to recirculate for a few minutes.

VENTILATION

For best results, set controls to;

Fan speed --- Any setting except 'OFF"
Temperature --- Towards COLD (blue zone)
Air intake --- (outside air)
Air flow --- PANEL
Air conditioning --- ON

DEFOGGING

The inside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone) to heat; COLD (blue zone) to cool
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- ON

The outside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone)
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- OFF

On humid days, do not blow cold air on the windshield. The windshield could fog up because of the difference in air temperature on the inside and outside of the windshield.

DEFROSTING

The outside of the windshield

For best results, set controls to:

Fan speed --- Any setting except 'OFF"
Temperature --- Towards WARM (red zone)
Air intake --- FRESH (outside air)
Air flow --- WINDSHIELD
Air conditioning --- OFF

To heat the vehicle interior while defrosting the windshield, choose floor/windshield air flow.

on Feb 14, 2011 | Toyota Pickup Cars & Trucks

3 Answers

Why does my heat blow warm air then it turns cold


its VERY likely that your heater core is getting stopped up.

The heater in your car works by circulating hot water from the engine into a copper or aluminum pipe coiled up in the dashboard. The heater/airconditioner's fan blows across it and the hot air comes out of the vents. This is why the heater doesn't work right away when you first start the car. It usually won't work until the hot/cold needle in the gauges is starting to rise up.

If your mechanic recently replaced the thermostat, its possible that there is air in the system which will result in less antifreeze in the car than it should be. If this is not the case, the heater core is probably stopping up and will require expensive replacement if it cannot be flushed clean.

Check to make sure the car is full of antifreeze IN THE RADIATOR, AND THE OVERFLOW JUG. Please be very sure there is NO AIR in the cooling system as well.

Scott

Jan 22, 2013 | 1998 Ford Expedition

2 Answers

Drained radiator added prestone Radiator flush refilled and started overheating, drained radiator replaced thermostat and now I get no heat from heater,Radiator water is hot


disconnect the heat hoses going into fire wall , put hose into one with pressure and flush as it sounds like it could be bloked in the heater core,the other thing that could be the problem be the hot ,cold switch as it restricts the flow to makes the heater hoter or colder , it might need tlc or replacing as it is manaul not elec

May 08, 2012 | 1995 Toyota 4Runner

1 Answer

1991 Dodge Spirit Check gauges light comes on when accelerating. Car seems to get hot according to the gauges and then cools immediately down.


The first thing you should check is your coolant level. If it is low add coolant. Next start and leave the car warm up to temperture and make sure the coolant is moving, have radiator cap off and watch the coolant. What you are probably going to find is that when the car is warming up or warmed up that the coolant will be low causing an air lock in the system. When the air locks happen you will find a overheat or running hot situation. This is due to air will not cool the sytem you need coolant so when the air hits the sensors under acceleration the gauges go high and cause the check gauge light to come on.

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2 Answers

Heater valve was replaced..Now Engine temp rises


WELL IT SOUNDS LIKE YOU HAVE AIR POCKET VERY COMEN IF YOU DID THE WORK YOUR SELF SOME SHOP USE AIR LIFT TO GET AIR OUT OF SYSTEM BE FOR FILLING ANY WAY YOU MAY TRY THIS WHEN CAR COOL TAKE RAD CAP OFF START CAR LET GET WARM BE CARFULL NOT TO GET BERNT BUY COOLANT LET GET HOT NOT OVER HOT THEN TRUN CAR OFF LET COOL DOWEN THEN TOP OFF COOLANT TO SEE IF YOU GOT RID OF AIR POCKET YOU MAY NEED TO JACK THE FRONT END UP AS HI AS YOU CAN THIS HELPS TO WHEN YOU DO THIS HOPE THIS HELPS

Aug 19, 2009 | 2001 BMW 325

1 Answer

Temp goes to red and warning light come on,but goes back to normal after a while when driveing


An overheating engine will often shudder and make a unique popping/rattling noise. Is it doing that? If it ever does that it's time to call a tow truck or further risk major engine repairs.
Try turning on your heater. Your heater makes its heat by blowing air through a mini-radiator (like the one at the front of your car) and pushing that hot air through to the inside of the car. Is the air coming out of the vents warm to normally hot or I-just-opened-the-oven make your skin tingle hot? Check and make sure you have coolant (when the engine is cool) and fill to where it should be. There may not be enough to circulate through the cooling system but enough to hit the temp. sensor and give you warnings.

May 30, 2009 | 1998 BMW 5 Series

1 Answer

2000 chevy lumina. Is fan supposed to come on when car started


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1 Answer

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this is normal, heat comes from your motor so it isnt hot enough until you start working the engine

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